3522 NGK Spark Plug; Standard Spark Plug
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NGK Spark Plug; Standard Spark Plug | 3522

Chevrolet, Dodge, GMC, Jeep, Plymouth, Pontiac
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P/N: 3522 NGK
Description:
Standard 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.
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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.

Chevrolet
70-70 - Bel Air
62-67 - Bel Air
300 HP
70-70 - Biscayne
69-70 - Blazer
70-70 - Brookwood
61-70 - C10 Pickup
69-70 - C10 Suburban
61-70 - C20 Pickup
69-70 - C20 Suburban
61-70 - C30 Pickup
70-70 - Caprice
70-70 - Chevelle Concours Estate RWD, Concours RWD, Greenbrier RWD, Malibu RWD, Nomad RWD & more
53-61 - Corvette
66-67 - Corvette
300 HP
59-59 - Corvette
Fuel Delivery Type: CARB
62-65 - Corvette
Fuel Delivery Type: FI
64-70 - El Camino Base, Custom
69-70 - G10 Van Base, Sportvan
69-69 - G20 Van Base, Sportvan
Dodge
49-52 - Coronet
46-48 - Custom
46-48 - Deluxe
49-52 - Meadowbrook
49-52 - Wayfarer
67-67 - Wm300 Pickup Power Wagon
GMC
67-70 - C15/C1500 Pickup
69-70 - C15/C1500 Suburban
67-70 - C25/C2500 Pickup
69-70 - C25/C2500 Suburban
67-70 - C35/C3500 Pickup
67-70 - G15/G1500 Van Base, Rally, Vandura
67-70 - G25/G2500 Van Base, Rally, Vandura
70-70 - Jimmy
67-70 - K15/K1500 Pickup
70-70 - K15/K1500 Suburban
67-70 - K25/K2500 Pickup
69-70 - K25/K2500 Suburban
69-70 - K35/K3500 Pickup
67-67 - P15/P1500 Van
67-70 - P25/P2500 Van
67-70 - P35/P3500 Van
Jeep
59-60 - CJ3
59-71 - CJ5
59-71 - CJ6
67-67 - Commando
61-67 - Dispatcher
59-60 - DJ3
67-71 - DJ5
60-60 - F4-134
60-66 - FC150
63-66 - FC170
67-71 - Jeepster Base, Commando
61-67 - Universal
61-62 - Utility
Plymouth
57-59 - Belvedere
49-50 - Deluxe
57-59 - Fury
57-58 - Plaza
57-59 - Savoy
49-59 - Suburban Base, Custom, Deluxe, Sport
Pontiac
66-66 - LeMans
66-66 - Tempest Base, Custom, Safari