3186 NGK Spark Plug; G-Power Spark Plug
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NGK Spark Plug; G-Power Spark Plug | 3186

Buick, Cadillac, Chevrolet, Dodge, Eagle, Ford, GMC, Isuzu, Lincoln, Mazda & more
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Make Sure It Fits

P/N: 3186 NGK
Description:
G-Power Spark Plug

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 NGK Spark Plugs.

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 NGK 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
86-87 - Electra Limited, Park Avenue, T-Type
08-09 - LaCrosse Super
86-87 - LeSabre Base, Custom, Limited, T-Type
86-88 - LeSabre Base, Custom, Limited
Engine VIN: 3
86-87 - Riviera Luxury, T-Type
86-88 - Skylark Custom, Limited
86-87 - Somerset Custom, Limited, T-Type
85-85 - Somerset Regal Base, Limited
Cadillac
04-07 - CTS V
02-13 - Escalade AWD Base, Hybrid, Hybrid Platinum
05-05 - Escalade AWD
.040
03-06 - Escalade ESV
02-06 - Escalade EXT
02-13 - Escalade RWD Base, Hybrid, Hybrid Platinum
05-05 - Escalade RWD
.040
04-06 - SRX AWD
04-06 - SRX RWD
05-06 - STS AWD
05-06 - STS RWD
04-06 - XLR
Chevrolet
06-06 - Avalanche 1500 Z66, Z71
06-06 - Avalanche 1500 4WD LS, LT
06-06 - Avalanche 1500 RWD LS, LT
07-13 - Avalanche 4WD Black Diamond LS, Black Diamond LT, Black Diamond LTZ, LS, LT & more
07-13 - Avalanche RWD Black Diamond LS, Black Diamond LT, Black Diamond LTZ, LS, LT & more
98-02 - Camaro Z28, Z28 SS
11-13 - Caprice PPV
00-00 - Cavalier Base, LS, Z24
01-02 - Cavalier Base, LS, LS Sport, Z24
Engine VIN: 4
99-99 - Cavalier Base, LS, RS, Z24
Fuel Type: GAS
09-09 - Colorado 4WD LT
09-09 - Colorado RWD LT
97-07 - Corvette Base, 50th Anniversary Edition, 50th Anniversary Edition Pace Car, Indianapolis 500 Pace Car, Z06
93-95 - Corvette ZR-1
Engine VIN: J
07-14 - Express 1500 AWD Base, LS, LT
07-14 - Express 1500 RWD Base, LS, LT
04-14 - Express 2500 Base, LS, LT
03-05 - Express 2500 AWD Base, LS
03-05 - Express 2500 RWD Base, LS
Dodge
90-92 - Monaco ES, LE
Eagle
88-89 - Medallion DL, LX
88-92 - Premier ES, ES Limited, LX
Ford
86-86 - Aerostar Base, XL, XLT
84-85 - Bronco II Base, Eddie Bauer, XLS, XLT
86-90 - Bronco II 4WD Base, Eddie Bauer, XL, XL Sport, XLT & more
86-90 - Bronco II RWD Base, Eddie Bauer, XL, XL Sport, XLT & more
77-78 - Courier
79-82 - Courier 4WD Base, XLT
79-82 - Courier RWD Base, XLT
03-05 - E-250
Fuel Type: CNG
97-02 - E-250 Econoline Base, XL
Fuel Type: CNG
03-05 - E-350 Club Wagon Chateau, XL, XLT
Fuel Type: CNG
98-98 - E-350 Econoline Base, XL
Engine VIN: M
97-97 - E-350 Econoline Base, XL
Fuel Type: CNG
97-02 - E-350 Econoline Club Wagon Chateau, Custom, XL, XL HD, XLT & more
Fuel Type: CNG
04-05 - E-350 Super Duty
Fuel Type: CNG
06-06 - Escape 4WD Hybrid, XLS, XLT
Fuel Type: ELECTRIC/GAS
Fuel Type: GAS
06-06 - Escape FWD Hybrid, XLS, XLT
Fuel Type: ELECTRIC/GAS
Fuel Type: GAS
82-85 - Escort Base, GL, GLX, GT, GT Turbo & more
83-83 - Escort Base, GL, GLX, GT, LX
Fuel Delivery Type: CARB
84-85 - EXP Turbo
GMC
09-09 - Canyon 4WD SLE, SLT
09-09 - Canyon RWD SLE, SLT
07-14 - Savana 1500 AWD Base, LS, LT
07-14 - Savana 1500 RWD Base, LS, LT
03-14 - Savana 2500 Base, LS, LT, SLE
03-05 - Savana 2500 AWD
03-05 - Savana 2500 RWD
03-14 - Savana 3500 Base, LS, LT, SLE
02-13 - Sierra 1500 Denali, XFE
99-13 - Sierra 1500 4WD Base, HT, Hybrid, SL, SLE & more
01-06 - Sierra 1500 HD 4WD SLE, SLT
01-06 - Sierra 1500 HD RWD SLE, SLT
99-13 - Sierra 1500 RWD Base, HT, Hybrid, SL, SLE & more
99-04 - Sierra 2500 4WD Base, SL, SLE, SLT, WT
01-14 - Sierra 2500 HD 4WD Base, Denali, SL, SLE, SLT & more
01-14 - Sierra 2500 HD RWD Base, Denali, SL, SLE, SLT & more
99-04 - Sierra 2500 RWD Base, SL, SLE, SLT, WT
01-06 - Sierra 3500 4WD Base, SL, SLE, SLT, WT
07-14 - Sierra 3500 HD 4WD Denali, SLE, SLT, WT
Isuzu
00-00 - Hombre 4WD S, XS
00-00 - Hombre RWD S, XS
Lincoln
09-10 - Town Car Executive, Executive L, Signature L, Signature Limited
06-08 - Town Car Designer Series, Executive, Executive L, Signature, Signature L & more
Fuel Type: FLEX
Mazda
98-01 - B2500 SE, SX, Troy Lee
98-03 - B3000 Base, DS, SE, SX
98-01 - B3000 4WD SE, SE 4WD
98-01 - B3000 RWD SE, SE RWD
Mercury
75-80 - Bobcat Base, MPG Runabout, Runabout, S Runabout, Villager
76-84 - Capri Base, Black Magic, Black Magic RWD, Crimson Cat, Crimson Cat RWD & more
81-86 - Cougar Base, XR-7
82-82 - LN7
From 9/81; Engine VIN: 2
H.O. Engine VIN: 4
83-83 - LN7 Base, Grand Sport, RS, Sport
Fuel Delivery Type: CARB
85-85 - Lynx Base, GL, GS, L, XR3
82-82 - Lynx Base, GL, GS, L, LS & more
Engine VIN: 4
84-84 - Lynx Base, GL, GS, LS, LTS & more
Fuel Delivery Type: CARB
84-84 - Marquis Base, Brougham
Engine VIN: 6
83-83 - Marquis Base, Brougham
Fuel Type: LPG
86-86 - Sable GS, LS
96-03 - Sable LS FWD, LS Premium FWD
Engine VIN: U
84-88 - Topaz Base, GS, GS AWD, LS, LS AWD & more
78-82 - Zephyr Base, GS, Z7
Oldsmobile
86-87 - 98 Regency, Regency Brougham, Regency Grande, Regency Touring
85-87 - Calais Base, 500, ES, GT, Supreme
88-88 - Cutlass Calais Base, GT, SL
86-88 - Cutlass Ciera Base, Brougham, ES, GT, Holiday & more
87-88 - Cutlass Cruiser Brougham, Brougham LS, LS, SL
91-95 - Cutlass Supreme Base, International, S, SL
86-87 - Delta 88 Royale, Royale Brougham
88-88 - Delta 88 Royale, Royale Brougham
Engine VIN: 3
86-87 - Toronado Brougham, Trofeo
Pontiac
87-87 - Bonneville Base, LE
88-88 - Bonneville LE, SE, SSE
Engine VIN: 3
98-02 - Firebird Formula, Trans Am
08-09 - G8 GT
85-87 - Grand Am Base, LE, SE
91-08 - Grand Prix GT, GTP, GXP, LE, SE & more
04-06 - GTO
99-01 - Sunfire GT, SE
02-02 - Sunfire GT, SE
Engine VIN: 4