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Denso Spark Plug | S22PRA7

Audi, Buick, Chevrolet, Chrysler, Dodge, Eagle, Fiat, Geo, Honda, Isuzu & more
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Make Sure It Fits

P/N: S22PRA7 Denso
Cross References:
  • 3354

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 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.

Audi
89-89 - 100 Base, E
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
90-91 - 100
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
72-74 - 100 Base, GL, LS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Fuel Delivery Type: CARB; Fuel Type: GAS
75-77 - 100 LS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Fuel Delivery Type: FI; Fuel Type: GAS
89-89 - 100 Quattro
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
90-91 - 100 Quattro
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
89-89 - 200
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
90-91 - 200
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: D; Fuel Delivery Type: FI; Fuel Type: GAS
89-89 - 200 Quattro
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
90-91 - 200 Quattro
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: D; Fuel Delivery Type: FI; Fuel Type: GAS
87-87 - 4000 S
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
86-87 - 4000 Quattro CS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
87-88 - 5000 S
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
84-84 - 5000 S Turbo
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
86-88 - 5000 CS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: D; Fuel Delivery Type: FI; Fuel Type: GAS
87-87 - 5000 CS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: D; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
87-88 - 5000 Quattro S
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: C; Fuel Delivery Type: FI; Fuel Type: GAS
86-88 - 5000 Quattro CS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: D; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
90-90 - 80
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: A; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
Buick
84-86 - Skyhawk Custom FWD, T-Type FWD
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: J; Fuel Delivery Type: FI; Fuel Type: GAS
87-87 - Skyhawk Custom FWD, Limited FWD, Sport FWD, T-Type FWD
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: M; Fuel Delivery Type: FI; Fuel Type: GAS
Chevrolet
98-00 - Metro
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: 6; Fuel Delivery Type: FI; Fuel Type: GAS
Chrysler
87-87 - Conquest
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: H; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS
88-89 - Conquest TSi
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: N; Fuel Delivery Type: FI; Fuel Type: GAS
Dodge
84-88 - Colt DL, DL FWD, Premier
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: F; Fuel Delivery Type: FI; Fuel Type: GAS
89-89 - Colt GT
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: Z; Fuel Delivery Type: FI; Fuel Type: GAS
Eagle
89-89 - Summit DL, LX
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: X; Fuel Delivery Type: FI; Fuel Type: GAS
Fiat
69-74 - 124 Base, Spider
0.4mm Electrode Iridium Resistor L4 U Groove
74-74 - 124
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Fuel Delivery Type: CARB; Fuel Type: GAS
70-71 - 850 Base, Racer, Spider
0.4mm Electrode Iridium Resistor L4 U Groove
69-73 - 850 Base, Spider
0.4mm Electrode Iridium Resistor U Groove
Geo
95-97 - Metro Base, LSi
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: 9; Fuel Delivery Type: FI; Fuel Type: GAS
Honda
79-83 - Accord Base, LX
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Fuel Delivery Type: CARB; Fuel Type: GAS
80-82 - Civic 1500, 1500 DX, 1500 GL
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Fuel Delivery Type: CARB; Fuel Type: GAS
94-96 - Passport DX
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Fuel Delivery Type: FI; Fuel Type: GAS
79-82 - Prelude
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Fuel Delivery Type: CARB; Fuel Type: GAS
Isuzu
89-94 - Amigo 4WD S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
89-93 - Amigo 4WD S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: L; Fuel Delivery Type: CARB; Fuel Type: GAS
89-94 - Amigo RWD S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
89-93 - Amigo RWD S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: L; Fuel Delivery Type: CARB; Fuel Type: GAS
89-92 - Pickup 1 Ton
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
89-95 - Pickup 4WD LS, S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
89-94 - Pickup 4WD LS, S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: L; Fuel Delivery Type: CARB; Fuel Type: GAS
95-95 - Pickup 4WD S
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
89-95 - Pickup RWD LS, S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
89-94 - Pickup RWD LS, S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: L; Fuel Delivery Type: CARB; Fuel Type: GAS
95-95 - Pickup RWD S
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: L; Fuel Delivery Type: FI; Fuel Type: GAS
91-97 - Rodeo 4WD LS, S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
91-97 - Rodeo RWD LS, S, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
91-91 - Stylus S
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: 6; Fuel Delivery Type: FI; Fuel Type: GAS
89-91 - Trooper LS, RS, S, SE, XS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: E; Fuel Delivery Type: FI; Fuel Type: GAS
Mitsubishi
84-88 - Cordia Turbo
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: G; Fuel Delivery Type: FI; Fuel Type: GAS
05-05 - Lancer Evolution, Evolution MR, Evolution RS
DENSO is OE manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: D; Fuel Delivery Type: FI; Fuel Type: GAS
03-04 - Lancer Evolution
DENSO is OE manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Fuel Delivery Type: FI; Fuel Type: GAS
85-88 - Mirage Turbo
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: F; Fuel Delivery Type: FI; Fuel Type: GAS
84-88 - Tredia Turbo
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: G; Fuel Delivery Type: FI; Fuel Type: GAS
Plymouth
84-88 - Colt DL, DL FWD, Premier
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: F; Fuel Delivery Type: FI; Fuel Type: GAS
89-89 - Colt GT
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: Z; Fuel Delivery Type: FI; Fuel Type: GAS
Pontiac
87-89 - Grand Am LE, SE
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: M; Fuel Delivery Type: FI; Fuel Type: GAS
84-85 - J2000 Sunbird FWD, LE FWD, SE
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: J; Fuel Delivery Type: FI; Fuel Type: GAS
86-86 - Sunbird FWD, GT FWD, SE FWD
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: J; Fuel Delivery Type: FI; Fuel Type: GAS
87-90 - Sunbird GT FWD, LE FWD, SE FWD
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: M; Fuel Delivery Type: FI; Fuel Type: GAS
Porsche
68-68 - 911 Base, L
0.4mm Electrode Iridium Resistor U Groove
69-71 - 911 E, S, T
0.4mm Electrode Iridium U Groove Resistor; Fuel Delivery Type: CARB
74-74 - 911
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: 1; Fuel Delivery Type: FI; Fuel Type: GAS
75-77 - 911 S
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: 2; Fuel Delivery Type: FI; Fuel Type: GAS
74-74 - 911 S
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: 3; Fuel Delivery Type: FI; Fuel Type: GAS
81-92 - 911 SC, Turbo
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: A; Fuel Delivery Type: FI; Fuel Type: GAS
80-80 - 911 SC
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Fuel Delivery Type: FI; Fuel Type: GAS
70-72 - 914 Base, 6
0.4mm Electrode Iridium U Groove Resistor
89-91 - 944 S2
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
92-95 - 968
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: A; Fuel Delivery Type: FI; Fuel Type: GAS
VW
87-89 - Fox Base, GL, GL Sport
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: A; Fuel Delivery Type: FI; Fuel Type: GAS
90-93 - Fox Base, GL, GL Sport
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: A; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS
84-84 - Quantum GL
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: A; Fuel Delivery Type: FI; Fuel Type: GAS
Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) With Platinum Ground Strap; Engine VIN: B; Fuel Delivery Type: FI; Fuel Type: GAS