IT16 Denso Iridium Power Spark Plug
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Denso Iridium Power Spark Plug | IT16

Buick, Cadillac, Chevrolet, Ford, GMC, Isuzu, Jaguar, Lincoln, Mazda, Mercedes & more
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P/N: IT16 Denso Iridium Power
Cross References:
  • 5325
  • W01331632073

Spark plugs provide the spark needed to ignite the air/fuel mixture in each cylinder for engine combustion. High voltage from the ignition coil is transferred through the spark plug to an air gap between the spark plug tip and the spark plug ground to the engine. Once the voltage reaches the air gap, the voltage jumps the gap in the form of a spark, igniting a compressed air fuel charge inside the cylinder. The air fuel charge explodes, creating the force needed to push the cylinder down and turning the engine crankshaft to propel the engine. In short, spark plugs serve a vital function in keeping your vehicle running properly.

Components of a Spark Plug
  • A metal terminal that connects to the ignition system
  • A center electrode for current to flow through the spark plug with a tip for the current to jump making the spark
  • A ribbed ceramic insulator to keep current flowing through the spark plug center electrode and not into other parts of the engine
  • A threaded metal case to anchor the spark plug into the cylinder head with a ground electrode for the spark to jump to
  • A seal to seal the spark plug case to the cylinder head to prevent cylinder compression from escaping
Types of Spark Plugs

The biggest differences in spark plug construction are the materials used for the electrodes, their conductivity, and their wearability.

  • Copper is the base material for the center electrode on most spark plugs as it provides superb conductivity. These tend to wear quickly from the electrical transfer created by the spark and fully copper spark plugs need to be replaced every 15,000 miles.
  • Copper core spark plugs with yttrium or nickel tipped electrodes and grounds take longer to wear and can last up to 30,000 miles.
  • Platinum tipped copper core electrodes wear even less, provide superior conductivity, and can last up to 60,000 miles.
  • Iridium tipped copper core spark plugs wear the least and can last over 100,000 miles.

When a spark plug fails prematurely it will provide a weak spark or no spark at all. Causes of premature spark plug failure can include oil leaking from the valve cover into the spark plug chamber, your engine running too lean and overheating the spark plug, and your engine running too rich and fuel fouling the plug.

Most engines are designed to run on only one type of spark plug based on its use. Be sure to check your owner’s manual for the right type of spark plug needed for your vehicle.

View more Denso Spark Plugs.

Denso is a worldwide leader in the manufacture of advanced automotive technology, systems, and components. They are OEM (original equipment manufacturer) on numerous powertrain, climate control, electronics, safety, and telematics for many different car and truck manufacturers around the world. Its aftermarket division of filters, spark plugs, and wipers are also built to OE specifications to ensure proper fitment and function.
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

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What This Denso Iridium Power Spark Plug Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Buick
86-88 - Century Custom, Estate Wagon, Limited, T-Type
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
93-96 - Century Custom, Limited, Special
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 4; Fuel Delivery Type: FI; Fuel Type: GAS
00-05 - Century Custom, Limited, Special Edition
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: J; Fuel Delivery Type: FI; Fuel Type: GAS
94-99 - Century Custom, Limited, Special
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: M; Fuel Delivery Type: FI; Fuel Type: GAS
89-93 - Century Custom, Estate Wagon, Limited, Special
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS
87-89 - Century Custom, Estate Wagon, Limited
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
94-96 - Commercial Chassis
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: P; Fuel Delivery Type: FI; Fuel Type: GAS
88-89 - Electra Estate Wagon
0.7mm Electrode Iridium Resistor
87-87 - Electra Limited, Park Avenue, T-Type
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
86-86 - Electra Limited, Park Avenue, T-Type
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
88-90 - Electra Limited, Park Avenue, Park Avenue Ultra, T-Type
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
05-09 - LaCrosse CX, CXL
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 2; Fuel Delivery Type: FI; Fuel Type: GAS
08-09 - LaCrosse Super
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
87-87 - LeSabre Estate Wagon
0.7mm Electrode Iridium Resistor
86-87 - LeSabre Base, Custom, Limited, T-Type
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
86-86 - LeSabre Custom
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
88-88 - LeSabre Base, Custom, Limited
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
89-91 - LeSabre Base, Custom, Limited
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
96-05 - LeSabre Custom, Limited
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: K; Fuel Delivery Type: FI; Fuel Type: GAS
Cadillac
93-93 - 60 Special
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
87-88 - Allante
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 7; Fuel Delivery Type: FI; Fuel Type: GAS
89-92 - Allante Base, Value Leader
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 8; Fuel Delivery Type: FI; Fuel Type: GAS
93-93 - Allante Base, Indianapolis 500 Pace Car, Value Leader
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 9; Fuel Delivery Type: FI; Fuel Type: GAS
90-90 - Commercial Chassis
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
88-89 - Commercial Chassis
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 5; Fuel Delivery Type: FI; Fuel Type: GAS
85-87 - Commercial Chassis
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 8; Fuel Delivery Type: FI; Fuel Type: GAS
91-93 - Commercial Chassis
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
94-96 - Commercial Chassis Base, Brougham
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: P; Fuel Delivery Type: FI; Fuel Type: GAS
04-05 - CTS V
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: S; Fuel Delivery Type: FI; Fuel Type: GAS
06-07 - CTS V
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: U; Fuel Delivery Type: FI; Fuel Type: GAS
82-82 - DeVille Base, Cabriolet, d'Elegance
0.7mm Electrode Iridium Resistor
90-90 - DeVille
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
88-89 - DeVille
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 5; Fuel Delivery Type: FI; Fuel Type: GAS
82-87 - DeVille Base, Cabriolet, d'Elegance, Touring
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 8; Fuel Delivery Type: FI; Fuel Type: GAS
96-05 - DeVille Base, Concours, d'Elegance, DHS, DTS & more
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 9; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Y; Fuel Delivery Type: FI; Fuel Type: GAS
91-95 - DeVille Base, Spring Edition, Touring
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
94-95 - DeVille Concours
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Y; Fuel Delivery Type: FI; Fuel Type: GAS
11-11 - DTS Base, Luxury, Premium
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 6; Fuel Delivery Type: FI; Fuel Type: GAS
Chevrolet
96-01 - Astro AWD Base, LS, LT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
02-05 - Astro AWD Base, LS, LT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
96-01 - Astro RWD Base, LS, LT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
02-05 - Astro RWD Base, LS, LT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
02-06 - Avalanche 1500 North Face, On Road Edition, Z66, Z71
0.7mm Electrode Iridium Resistor
06-06 - Avalanche 1500 Z66, Z71
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Z; Fuel Delivery Type: FI; Fuel Type: FLEX
02-06 - Avalanche 1500 4WD Base, LS, LT, WBH
0.7mm Electrode Iridium Resistor
06-06 - Avalanche 1500 4WD LS, LT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Z; Fuel Delivery Type: FI; Fuel Type: FLEX
02-06 - Avalanche 1500 RWD Base, LS, LT, WBH
0.7mm Electrode Iridium Resistor
06-06 - Avalanche 1500 RWD LS, LT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Z; Fuel Delivery Type: FI; Fuel Type: FLEX
04-06 - Avalanche 2500 Base, LS, LT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: G; Fuel Delivery Type: FI; Fuel Type: GAS
02-03 - Avalanche 2500 4WD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: G; Fuel Delivery Type: FI; Fuel Type: GAS
02-03 - Avalanche 2500 RWD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: G; Fuel Delivery Type: FI; Fuel Type: GAS
09-11 - Avalanche 4WD LS, LT, LTZ
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 0; Fuel Delivery Type: FI; Fuel Type: FLEX
09-11 - Avalanche 4WD LS, LT, LTZ
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: FLEX
07-09 - Avalanche 4WD LS, LT, LTZ
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: J; Fuel Delivery Type: FI; Fuel Type: GAS
07-09 - Avalanche 4WD LT, LTZ
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Y; Fuel Delivery Type: FI; Fuel Type: GAS
07-08 - Avalanche 4WD LS, LT, LTZ
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: FLEX
09-11 - Avalanche RWD LS, LT, LTZ
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 0; Fuel Delivery Type: FI; Fuel Type: FLEX
Ford
86-97 - Aerostar Base, XL, XLT, XLT Sport
0.7mm Electrode Iridium Resistor
91-97 - Aerostar XL Sport, XLT Sport
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
96-97 - Aerostar AWD Base, XLT, XLT Plus
0.7mm Electrode Iridium Resistor
90-97 - Aerostar AWD Base, Eddie Bauer, XL, XL Plus, XLT & more
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
96-97 - Aerostar RWD Base, XLT, XLT Plus
0.7mm Electrode Iridium Resistor
90-97 - Aerostar RWD Base, Eddie Bauer, XL, XL Plus, XLT & more
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
85-85 - Bronco II Base, Eddie Bauer, XLS, XLT
0.7mm Electrode Iridium Resistor
84-85 - Bronco II Base, Eddie Bauer, XLS, XLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: S; Fuel Delivery Type: CARB; Fuel Type: GAS
86-86 - Bronco II 4WD Base, Eddie Bauer, XLT
0.7mm Electrode Iridium Resistor
86-90 - Bronco II 4WD Base, Eddie Bauer, XL, XL Sport, XLT & more
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: T; Fuel Delivery Type: FI; Fuel Type: GAS
86-86 - Bronco II RWD Base, Eddie Bauer, XLT
0.7mm Electrode Iridium Resistor
86-90 - Bronco II RWD Base, Eddie Bauer, XL, XL Sport, XLT & more
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: T; Fuel Delivery Type: FI; Fuel Type: GAS
98-98 - Contour SVT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: G; Fuel Delivery Type: FI; Fuel Type: GAS
99-00 - Contour LX, SE, SVT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: G; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
95-98 - Contour GL, LX, SE, Sport
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
77-78 - Courier
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: B; Fuel Delivery Type: CARB; Fuel Type: GAS
81-82 - Courier 4WD Base, XLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 1; Fuel Delivery Type: CARB; Fuel Type: GAS
81-82 - Courier 4WD Base, XLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 2; Fuel Delivery Type: CARB; Fuel Type: GAS
79-80 - Courier 4WD Base, XLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: B; Fuel Delivery Type: CARB; Fuel Type: GAS
GMC
96-99 - C1500 Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra Special
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: M; Fuel Delivery Type: FI; Fuel Type: GAS
96-99 - C1500 Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra Special
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
96-98 - C1500 Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra Special
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
96-99 - C1500 Suburban Base, SLE, SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
96-00 - C2500 Sierra SL, Sierra SLE, Sierra SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: J; Fuel Delivery Type: FI; Fuel Type: GAS
96-98 - C2500 Sierra SL, Sierra SLE, Sierra SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: M; Fuel Delivery Type: FI; Fuel Type: GAS
96-00 - C2500 Sierra SL, Sierra SLE, Sierra SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: CNG
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
96-99 - C2500 Suburban Base, SLE, SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: J; Fuel Delivery Type: FI; Fuel Type: GAS
96-99 - C2500 Suburban Base, SLE, SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
96-00 - C3500 Sierra SL, Sierra SLE, Sierra SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: J; Fuel Delivery Type: FI; Fuel Type: GAS
97-99 - C3500 Sierra SL, Sierra SLE, Sierra SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: CNG
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
96-00 - C3500 Sierra SL, Sierra SLE, Sierra SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
09-09 - Canyon 4WD SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
09-09 - Canyon RWD SLT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
05-08 - Envoy 4WD Denali
0.7mm Electrode Iridium Resistor
05-08 - Envoy RWD Denali
0.7mm Electrode Iridium Resistor
96-96 - G3500 Magnavan, Rally, Rally Camper Special, Rally STX, Vandura & more
0.7mm Electrode Iridium Resistor
98-00 - Jimmy Envoy
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
96-01 - Jimmy 4WD Base, Diamond Edition, SL, SLE, SLS & more
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
Isuzu
03-05 - Ascender 4WD Base, Limited, LS, S
0.7mm Electrode Iridium Resistor
03-05 - Ascender RWD Base, Limited, LS, S
0.7mm Electrode Iridium Resistor
97-97 - Hombre S, XS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
00-00 - Hombre 4WD S, XS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
98-99 - Hombre 4WD S, XS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
00-00 - Hombre RWD S, XS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
98-99 - Hombre RWD S, XS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
Jaguar
00-08 - S-Type Base, Sport
0.7mm Electrode Iridium Resistor
02-07 - X-Type Base, Premium, Sport, Vanden Plas, VDP Edition
0.7mm Electrode Iridium Resistor
03-04 - X-Type
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: D; Fuel Delivery Type: FI; Fuel Type: GAS
02-05 - X-Type
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
Lincoln
03-05 - Aviator AWD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: H; Fuel Delivery Type: FI; Fuel Type: GAS
03-05 - Aviator RWD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: H; Fuel Delivery Type: FI; Fuel Type: GAS
02-02 - Blackwood
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: A; Fuel Delivery Type: FI; Fuel Type: GAS
82-82 - Continental Base, Givenchy, Signature
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: CARB; Fuel Type: GAS
95-02 - Continental Base, Anniversary, Diamond Anniversary, Signature, Spinnaker Edition
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: V; Fuel Delivery Type: FI; Fuel Type: GAS
00-04 - LS Base, LSE
0.7mm Electrode Iridium Resistor
96-98 - Mark VIII Base, Anniversary, LSC
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: V; Fuel Delivery Type: FI; Fuel Type: GAS
98-00 - Navigator 4WD
0.7mm Electrode Iridium Resistor
01-01 - Navigator 4WD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: A; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
02-04 - Navigator 4WD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
98-00 - Navigator RWD
0.7mm Electrode Iridium Resistor
01-01 - Navigator RWD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: A; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
02-04 - Navigator RWD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
09-11 - Town Car Executive, Executive L, Signature L, Signature Limited
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: V; Fuel Delivery Type: FI; Fuel Type: FLEX
06-08 - Town Car Designer Series, Executive, Executive L, Signature, Signature L & more
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: V; Fuel Delivery Type: FI; Fuel Type: FLEX
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
95-05 - Town Car Base, Anniversary, Cartier, Cartier L, Executive & more
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
06-06 - Zephyr
0.7mm Electrode Iridium Resistor
Mazda
04-05 - 3 i, S, SP23
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
06-07 - 5 Grand Touring, Sport, Touring
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
04-08 - 6 S
0.7mm Electrode Iridium Resistor
03-05 - 6 i
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
04-08 - B2300 Base, SE
0.7mm Electrode Iridium Resistor
98-01 - B2500 SE, SX, Troy Lee
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
99-00 - B3000 SX, Troy Lee
0.7mm Electrode Iridium Resistor
98-07 - B3000 Base, DS, SE, SX
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: U; Fuel Delivery Type: FI; Fuel Type: GAS
99-01 - B3000 4WD SE, SE 4WD
0.7mm Electrode Iridium Resistor
98-05 - B3000 4WD Base, SE, SE 4WD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: U; Fuel Delivery Type: FI; Fuel Type: GAS
99-01 - B3000 RWD SE, SE RWD
0.7mm Electrode Iridium Resistor
98-05 - B3000 RWD Base, SE, SE RWD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: U; Fuel Delivery Type: FI; Fuel Type: GAS
06-07 - B4000 Base, SE
0.7mm Electrode Iridium Resistor
01-05 - B4000 Base, DS, SE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
97-00 - B4000 Base, Troy Lee
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
97-00 - B4000 4WD SE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
97-00 - B4000 RWD SE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
00-06 - MPV DX, ES, LX, LX-SV
0.7mm Electrode Iridium Resistor
04-08 - Tribute 4WD ES, LX, S
0.7mm Electrode Iridium Resistor
Mercedes
84-93 - 190E 2.3, 2.6
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
86-87 - 190E 2.3, 2.3-16
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS; Valvesper Engine: 16
87-89 - 260E
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
88-91 - 300CE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
86-93 - 300E Base, 2.6, 2.8, 4Matic
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
88-91 - 300SE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
88-91 - 300SEL
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
88-93 - 300TE Base, 4Matic
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Fuel Delivery Type: FI; Fuel Type: GAS
Mercury
80-80 - Bobcat Base, Runabout, Villager
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: A; Fuel Delivery Type: CARB; Fuel Type: GAS
75-79 - Bobcat Base, MPG Runabout, Runabout, S Runabout, Villager
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Y; Fuel Delivery Type: CARB; Fuel Type: GAS
75-79 - Bobcat Base, MPG Runabout, Runabout, S Runabout, Villager
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Z; Fuel Delivery Type: CARB; Fuel Type: GAS
80-81 - Capri GS RWD, RWD
0.7mm Electrode Iridium Resistor L4
83-83 - Capri Base, Black Magic, Crimson Cat, GS, L
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: CARB; Fuel Type: GAS
80-82 - Capri Base, Black Magic, Ghia, GS, GS RWD & more
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: A; Fuel Delivery Type: CARB; Fuel Type: GAS
79-79 - Capri Ghia RWD, RWD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: CARB; Fuel Type: GAS
79-79 - Capri Ghia RWD, RWD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Y; Fuel Delivery Type: CARB; Fuel Type: GAS
79-79 - Capri Base, Ghia
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Z; Fuel Delivery Type: CARB; Fuel Type: GAS
82-83 - Cougar Base, GS, LS, XR-7
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: CARB; Fuel Type: GAS
94-97 - Cougar XR-7
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 4; Fuel Delivery Type: FI; Fuel Type: GAS
81-81 - Cougar
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: A; Fuel Delivery Type: CARB; Fuel Type: GAS
01-01 - Cougar Base, S, V6
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: G; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
99-02 - Cougar Base, V6
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
90-90 - Cougar XR-7
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: R; Fuel Delivery Type: FI; Fuel Type: GAS
96-97 - Cougar XR-7
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
96-96 - Grand Marquis GS, LS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 6; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
09-11 - Grand Marquis LS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: V; Fuel Delivery Type: FI; Fuel Type: FLEX
06-08 - Grand Marquis GS, LS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: V; Fuel Delivery Type: FI; Fuel Type: FLEX
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
Oldsmobile
95-95 - 88 Royale LSS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 1; Fuel Delivery Type: FI; Fuel Type: GAS
95-99 - 88 50th Anniversary Edition, Royale, Royale LS, Royale LSS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: K; Fuel Delivery Type: FI; Fuel Type: GAS
92-94 - 88 Royale, Royale LS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
92-95 - 98 Regency Elite, Touring
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 1; Fuel Delivery Type: FI; Fuel Type: GAS
87-87 - 98 Regency, Regency Brougham, Regency Grande, Regency Touring
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
86-86 - 98 Regency, Regency Brougham
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
88-90 - 98 Regency, Regency Brougham, Regency Touring
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
95-96 - 98 Regency Elite
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: K; Fuel Delivery Type: FI; Fuel Type: GAS
91-94 - 98 Regency, Regency Elite, Touring
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
92-92 - Achieva SC
0.7mm Electrode Iridium Resistor
94-95 - Achieva S, SC FWD, SL, SL FWD
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: D; Fuel Delivery Type: FI; Fuel Type: GAS
94-98 - Achieva S, SC, SL
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: M; Fuel Delivery Type: FI; Fuel Type: GAS
92-93 - Achieva S, SL
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS
96-98 - Achieva S, SC, SL
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: T; Fuel Delivery Type: FI; Fuel Type: GAS
99-04 - Alero GL, GLS, GX
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
99-01 - Alero GL, GLS, GX
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: T; Fuel Delivery Type: FI; Fuel Type: GAS
95-03 - Aurora
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
01-02 - Aurora
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: H; Fuel Delivery Type: FI; Fuel Type: GAS
96-01 - Bravada
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
Pontiac
89-91 - 6000 LE, Special Edition, STE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: T; Fuel Delivery Type: FI; Fuel Type: GAS
87-89 - 6000 Base, LE, SE, Special Edition, STE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
88-90 - 6000 AWD Special Edition, STE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: T; Fuel Delivery Type: FI; Fuel Type: GAS
88-88 - 6000 AWD STE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
88-90 - 6000 FWD Special Edition, STE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: T; Fuel Delivery Type: FI; Fuel Type: GAS
88-88 - 6000 FWD STE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: W; Fuel Delivery Type: FI; Fuel Type: GAS
01-05 - Aztek AWD Base, GT, Rally
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
01-05 - Aztek FWD Base, GT, Rally
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
92-03 - Bonneville SE, SLE, SSE, SSEi
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 1; Fuel Delivery Type: FI; Fuel Type: GAS
87-87 - Bonneville Base, LE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
88-88 - Bonneville LE, SE, SSE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
89-91 - Bonneville LE, SE, SSE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
95-05 - Bonneville SE, SLE, SSE, SSEi
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: K; Fuel Delivery Type: FI; Fuel Type: GAS
92-94 - Bonneville SE, SSE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
04-05 - Bonneville GXP
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: Y; Fuel Delivery Type: FI; Fuel Type: GAS
98-02 - Firebird Formula, Trans Am
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: G; Fuel Delivery Type: FI; Fuel Type: GAS
95-02 - Firebird
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: K; Fuel Delivery Type: FI; Fuel Type: GAS
93-97 - Firebird Formula, Trans Am, Trans Am GT
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: P; Fuel Delivery Type: FI; Fuel Type: GAS
91-92 - Firebird
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: T; Fuel Delivery Type: FI; Fuel Type: GAS
Saab
05-07 - 9-7x 5.3i, Arc
0.7mm Electrode Iridium Resistor
Saturn
07-08 - Aura XE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS
08-10 - Vue AWD XE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS
08-10 - Vue FWD XE
Iridium Power Performance Upgrade With World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir); Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS