Genuine GM Spark Plugs

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Spark Plug Wire Set

GM 88862385

Professional, premium aftermarket replacement This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...

$71.75

MSRP $124.78

Save $53.03

42.5% Off

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Spark Plug Wire Kit

GM 19417605

All models. 5.0l, 5.7l. Express, savana. 5.0l, 5.7l. Durable to help transfer high voltage pulses without damage Manufactured to GM...

$156.60

MSRP $273.30

Save $116.70

42.7% Off

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Spark Plug Shield Seal

GM 12613249

1.3L turbo. Camaro. Spark plug hole seals. ATS. Spark plug shield seals. 2017-21 3.6L. inner #3. This GM Genuine Part is designed,...

$8.27

MSRP $11.84

Save $3.57

30.2% Off

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Spark Plug Wire Set

GM 88892763

Durable to help transfer high voltage pulses without damage

$151.35

MSRP $264.14

Save $112.79

42.7% Off

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Spark Plug Wire Set

GM 19154586

Delco remy. All models. 3.8l. Park Avenue. 1995, without supercharger. Durable to help transfer high voltage pulses without damage

$61.94

MSRP $107.72

Save $45.78

42.5% Off

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Double Platinum Spark Plug

GM 19308035

Platinum. Vendor:acdelco. Vendor #41-803. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps...

$8.75

MSRP $14.28

Save $5.53

38.7% Off

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Spark Plug Wire Kit

GM 19417611

Terraza, Uplander. 3.9l. G6. 3.5l,3.6l. Lucerne. 3.9l. Malibu, Malibu Maxx. 3.9l. G6. 3.9l. Malibu. 3.5l. Montana SV6. 3.9l. Aura. 3.5l....

$118.42

MSRP $206.66

Save $88.24

42.7% Off

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Spark Plug Wire Set

Motorcraft WR-6103

Backed by the Motorcraft Service Parts Warranty which offers 2 years, unlimited mileage, limited labor cost and no commercial exceptions....

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$45.98

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Pickup only

88862451 - : Spark Plug Wire Set for GM Image

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Pickup only

Spark Plug Wire Set

GM 88862451

Professional, premium aftermarket replacement This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...

$44.80

MSRP $77.40

Save $32.60

42.1% Off

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Spark Plug Wire Set

GM 88862381

Professional, premium aftermarket replacement This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...

$80.10

MSRP $139.30

Save $59.20

42.5% Off

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Double Platinum Spark Plug

GM 19326703

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine...

$8.28

MSRP $13.52

Save $5.24

38.8% Off

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Spark Plug Wire Support

GM 12554084

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

$5.38

MSRP $8.78

Save $3.40

38.7% Off

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What Causes Spark Plugs to Wear Out?

Spark plugs wear out over time due to various factors. Repeated sparking and exposure to combustion byproducts cause natural wear, leading to electrode and insulator deterioration. Carbon deposits from combustion can accumulate on the spark plug electrodes, reducing their effectiveness. Overheating, incorrect gaps, fuel additives and contaminants, and long service intervals can also contribute to spark plug wear. To prevent premature wear, regular inspections, proper maintenance, and using the correct spark plugs are crucial. If you notice poor engine performance, replacing the spark plugs may be necessary.

Other Interior Parts

Starters

The starter plays a crucial role in initiating the engine's ignition process. When the ignition key is turned, starters quickly engage, cranking the engine into life by meshing with the flywheel.
Alternators

Alternators convert mechanical energy into electrical power. They are mounted within the engine, and they produce a steady stream of electricity to recharge the battery and power various vehicle systems.