Genuine GM Spark Plugs

Filter

My Garage

+ Add Vehicle to Confirm Fit

Wishlist

Spark Plug Wire

GM 12173531

Durable to help transfer high voltage pulses without damage

$13.50

MSRP $22.03

Save $8.53

38.7% Off

Wishlist

RAPIDFIRE Spark Plug

GM 88879891

Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for...

$6.17

MSRP $10.08

Save $3.91

38.8% Off

Wishlist

RAPIDFIRE Spark Plug

GM 19308030

Rapid Fire. Vendor:acdelco. Vendor #5. Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency...

$5.73

MSRP $9.36

Save $3.63

38.8% Off

Wishlist

Spark Plug (41-101)

GM 12681664

3.1L. 3.5L. 3.4L. Iridium. 4.3L, 2008-2014. 3.8L, without supercharged. AC Delco 41-101

$10.34

MSRP $16.88

Save $6.54

38.7% Off

Wishlist

Conventional Spark Plug

GM 05614168

Optional. Vendor:acdelco. Vendor #R43TSK. Black Onyx coating helps reduce corrosion Copper core provides great heat transfer and helps...

$1.78

MSRP $2.90

Save $1.12

38.6% Off

Wishlist

Spark Plug Wire

GM 21024472

Cylinder 1,4.

$15.84

MSRP $26.40

Save $10.56

40% Off

Wishlist

Iridium Spark Plug

GM 55564748

2.8L. Iridium composition provides a high melting point and great strength, providing excellent wear resistance and durability Iridium...

$14.64

MSRP $23.90

Save $9.26

38.7% Off

Wishlist

Iridium Spark Plug

GM 19301814

3.6L, 1st design. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components Iridium...

$10.76

MSRP $17.56

Save $6.80

38.7% Off

Wishlist

Conventional Spark Plug

GM 19354416

4.3L, 2003-2007. Optional. Vendor:acdelco. Standard. Vendor #R44LTS6. Black Onyx coating helps reduce corrosion Copper core provides...

$2.67

MSRP $4.36

Save $1.69

38.8% Off

Wishlist

Conventional Spark Plug

GM 19354415

Exc.Police. Exc.Taxi. Standard. Vendor:acdelco. Vendor #CR43TS. Optional. Vendor #R45TS. Black Onyx coating helps reduce corrosion...

$2.56

MSRP $4.18

Save $1.62

38.8% Off

Wishlist

Iridium Spark Plug

GM 12571165

6.2L with supercharged. 6.2L with supercharger. Vendor:acdelco. Vendor #41-104. 7.0L. Coupe, 6.2L. Iridium is the latest in spark plug...

$11.61

MSRP $18.96

Save $7.35

38.8% Off

Wishlist

RAPIDFIRE Spark Plug

GM 19323046

Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for...

$5.66

MSRP $9.24

Save $3.58

38.7% Off

Page

No results found for "spark plug". Here are some helpful search tips:

Search by a part name. Example: water pump.
Be less specific. Example: brake instead of ceramic brake.
Remove information such as make, year or model.
Can't find the part you are looking for? Contact us and we'll find it for you!

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.