OEM GM Spark Plugs

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What Do Spark Plugs Do?

Your engine has many working parts, and you may wonder what spark plugs do. Spark plugs ignite the mixture of fuel and air in your engine. This electrical fits into the engine's cylinder head and ÒsparksÓ to ignite the fuel.

Signs You Need to Change Your Spark Plugs

Just like any component of your GM model, you will have to replace your spark plugs at some point. Below are some of the common signs that indicate you need to change them:

  • You are having difficulty starting your GM vehicle
  • You are experiencing lower fuel economy than normal
  • Your car is having accelerating issues
  • The check engine light is on
  • The engine misfires

Remember, broken spark plugs can damage the cylinders in your engine, so be sure to inspect your vehicle as soon as possible.

Order GM OEM Spark Plugs Online Today

No matter which GM model you own, you will want to ensure your vehicle is equipped with genuine OEM spark plugs. For added peace of mind, all the parts in our catalog are compatible with your vehicle. Place your order today and save!

Iridium Spark Plug
Part Number: 12662396
Other Names: Spark Plug More Names
Description: Coupe, 3.6L with twin-turbo. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Iridium Spark Plug
Part Number: 12664824
Other Names: Spark Plug More Names
Description: Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium composition... More Info
MSRP $22.84
$13.36
MSRP $22.84
$13.36
Iridium Spark Plug
Part Number: 12680074
Other Names: Spark Plug More Names
Replaces: 12627160
Description: Sedan, 2.5L, 2.0L turbo, 2.5L. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Iridium Spark Plug
Part Number: 12681655
Other Names: Spark Plug More Names
Replaces: 55564962, 55580961, 55585534
Description: 1.8L. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium composition... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Iridium Spark Plug
Part Number: 12681660
Other Names: Spark Plug More Names
Replaces: 12622561
Description: 3.6L, without bi-fuel. 3.0L. 3.6L, without twin-turbo. 3.0, 3.6L. 3.6L, 2nd design. Iridium is the latest in spark plug technology and... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Iridium Spark Plug
Part Number: 12688094
Other Names: Spark Plug More Names
Description: 2.7L turbo. 1.3L turbo. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\... More Info
MSRP $15.92
$9.31
MSRP $15.92
$9.31
Spark Plug
Part Number: 12582002
Description: 3.5L. More Info
MSRP $32.40
$18.95
MSRP $32.40
$18.95
Iridium Spark Plug
Part Number: 12622441
Other Names: Spark Plug More Names
Description: 4.3L, 2018-19. 6.6L gas. 6.2L. without supercharger. Iridium is the latest in spark plug technology and is an exact replacement for... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Conventional Spark Plug
Part Number: 21025103
Other Names: Spark Plug More Names
Description: Black Onyx coating helps reduce corrosion\ Copper core provides great heat transfer and helps maximize plug durability\ In... More Info
MSRP $4.72
$2.76
MSRP $4.72
$2.76
Iridium Spark Plug
Part Number: 55564748
Other Names: Spark Plug More Names
Description: 2.8L. Iridium composition provides a high melting point and great strength, providing excellent wear resistance and durability\ Iridium... More Info
MSRP $22.00
$12.87
MSRP $22.00
$12.87
Spark Plug
Part Number: 05613878
Other Names: F (S)Spark Plug More Names
MSRP $3.60
$2.11
MSRP $3.60
$2.11
Conventional Spark Plug
Part Number: 05613932
Other Names: Spark Plug More Names
Description: Black Onyx coating helps reduce corrosion\ Copper core provides great heat transfer and helps maximize plug durability\ Ribbed... More Info
MSRP $2.90
$1.70
MSRP $2.90
$1.70
Spark Plug
Part Number: 19158037
Other Names: F (S)Spark Plug More Names
MSRP $11.02
$6.45
MSRP $11.02
$6.45
Iridium Spark Plug
Part Number: 19185438
Other Names: Spark Plug More Names
Description: 1.8L. Iridium composition provides a high melting point and great strength, providing excellent wear resistance and durability\ Iridium... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Spark Plug
Part Number: 19208523
Other Names: F (S)Spark Plug More Names
Description: Police. Taxi. Vendor:acdelco. Vendor #CR43TS. More Info
MSRP $11.02
$6.45
MSRP $11.02
$6.45
Spark Plug
Part Number: 19238463
Other Names: F Spark Plug More Names
Description: Rapid Fire. More Info
MSRP $6.14
$3.59
MSRP $6.14
$3.59
Double Platinum Spark Plug
Part Number: 19300872
Options: Left, Right
Other Names: Spark Plug More Names
Replaces: 12597464
Description: Platinum. Vendor:acdelco. Vendor #41-990. 2.8 & 3.6L. 3.0 & 3.6L. 2nd Design. One-piece, fired-in suppressor seal blends three glass... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Double Platinum Spark Plug
Part Number: 19300875
Other Names: Spark Plug More Names
Replaces: 19244463, 19244468
Description: Platinum. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Double Platinum Spark Plug
Part Number: 19301808
Other Names: Spark Plug More Names
Description: Platinum. Vendor:acdelco. Vendor #41-906. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Iridium Spark Plug
Part Number: 19301814
Options: Left, Right
Other Names: Spark Plug More Names
Replaces: 12565996
Description: 3.6L, 1st design. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
RAPIDFIRE Spark Plug
Part Number: 19308031
Other Names: Spark Plug More Names
Description: 2.4L. Rapid Fire. Vendor:acdelco. Vendor #8. Solid state suppressor, with two-piece glass and brass seal, can help reduce radio... More Info
MSRP $6.62
$3.87
MSRP $6.62
$3.87
Double Platinum Spark Plug
Part Number: 19308034
Other Names: Spark Plug More Names
Replaces: 19250994, 19308039
Description: Platinum. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Double Platinum Spark Plug
Part Number: 19308035
Other Names: Spark Plug More Names
Description: Platinum. Vendor:acdelco. Vendor #41-803. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Spark Plug
Part Number: 19354417
MSRP $3.60
$2.11
MSRP $3.60
$2.11
Conventional Spark Plug
Part Number: 19354418
Other Names: Spark Plug More Names
Replaces: 19302729
Description: Optional. Vendor:acdelco. Vendor #r44ltsm. Standard. Vendor #r43ltse. Black Onyx coating helps reduce corrosion\ Copper core provides... More Info
MSRP $3.60
$2.11
MSRP $3.60
$2.11
Conventional Spark Plug
Part Number: 19354429
Other Names: Spark Plug More Names
Replaces: 5614285, 19302724
Description: Standard. Vendor:acdelco. Vendor #41-602. Vendor:NGK. Vendor #BKR6E. Vendor:nippon. Vendor #K20PR-U. Black Onyx coating helps reduce... More Info
MSRP $3.60
$2.11
MSRP $3.60
$2.11
Iridium Spark Plug
Part Number: 19417055
Other Names: Spark Plug More Names
Description: 4.8, 5.3 & 6.0L. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Double Platinum Spark Plug
Part Number: 24425327
Other Names: Spark Plug More Names
Description: 3.0L. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Iridium Spark Plug
Part Number: 12571165
Other Names: Spark Plug More Names
Description: 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... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Iridium Spark Plug
Part Number: 12637197
Other Names: Spark Plug More Names
Description: Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium composition... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Iridium Spark Plug
Part Number: 12680076
Other Names: Spark Plug More Names
Replaces: 12642791
Description: With twin-turbo. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Iridium Spark Plug
Part Number: 12681659
Other Names: Spark Plug More Names
Replaces: 12626906, 12647827
Description: 2.5L, 2.0L turbo, 2.0L turbo. Coupe, 2.0L turbo. Iridium is the latest in spark plug technology and is an exact replacement for... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Iridium Spark Plug
Part Number: 12681661
Other Names: Spark Plug More Names
Replaces: 12607280
Description: Vendor:acdelco. Vendor #41-105. Coupe,. 2.2L. 2003-06. Iridium is the latest in spark plug technology and is an exact replacement for... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Iridium Spark Plug
Part Number: 55486272
Other Names: Spark Plug More Names
Description: 1.8L. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium composition... More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35
Conventional Spark Plug
Part Number: 05614168
Other Names: Spark Plug More Names
Description: Optional. Vendor:acdelco. Vendor #R43TSK. Black Onyx coating helps reduce corrosion\ \ Copper core provides great heat transfer and... More Info
MSRP $2.90
$1.70
MSRP $2.90
$1.70
Double Platinum Spark Plug
Part Number: 88901022
Other Names: Spark Plug More Names
Description: Platinum. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine... More Info
MSRP $11.02
$6.45
MSRP $11.02
$6.45
Double Platinum Spark Plug
Part Number: 19299585
Other Names: Spark Plug More Names
Description: 4.8, 5.3 & 6.0L. Vendor:acdelco. Vendor #41-962. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Conventional Spark Plug
Part Number: 19300382
Other Names: Spark Plug More Names
Description: Standard. Vendor:acdelco. Vendor #R43TS. Cast Iron Cylinder Head. Black Onyx coating helps reduce corrosion\ \ Copper core provides... More Info
MSRP $3.60
$2.11
MSRP $3.60
$2.11
Spark Plug,
Part Number: 19301656
Other Names: F (S)Spark Plug Pkg More Names
Replaces: 5613870
MSRP $3.60
$2.11
MSRP $3.60
$2.11
Double Platinum Spark Plug
Part Number: 19301807
Other Names: Spark Plug More Names
Replaces: 19179571, 19244464, 19301804
Description: Vendor:acdelco. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Double Platinum Spark Plug
Part Number: 19301810
Other Names: Spark Plug More Names
Replaces: 19244475, 19301822
Description: Platinum. Vendor:acdelco. Vendor #41-979. 3.4L. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Double Platinum Spark Plug
Part Number: 19301813
Other Names: Spark Plug More Names
Replaces: 19244473, 19244474, 19301321
Description: 3.4L. Platinum. Vendor:acdelco. Vendor #41-943. Vendor #41-940. One-piece, fired-in suppressor seal blends three glass types for a... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Double Platinum Spark Plug
Part Number: 19307140
Other Names: Spark Plug More Names
Description: Platinum. Vendor:acdelco. Vendor #41-808. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps... More Info
MSRP $11.60
$6.79
MSRP $11.60
$6.79
Spark Plug,
Part Number: 19307141
Replaces: 19238455, 19250963
MSRP $6.62
$3.87
MSRP $6.62
$3.87
Conventional Spark Plug
Part Number: 19310656
Other Names: Spark Plug More Names
Description: Black Onyx coating helps reduce corrosion\ Copper core provides great heat transfer and helps maximize plug durability\ In... More Info
MSRP $3.36
$1.97
MSRP $3.36
$1.97
Conventional Spark Plug
Part Number: 19355202
Other Names: Spark Plug More Names
Replaces: 19302725
Description: Black Onyx coating helps reduce corrosion\ Copper core provides great heat transfer and helps maximize plug durability\ In... More Info
MSRP $3.60
$2.11
MSRP $3.60
$2.11
Spark Plug
Part Number: 12674112
Other Names: F (S)Spark Plug More Names
Description: 1.4L, acdelco # 1267411. More Info
MSRP $14.28
$8.35
MSRP $14.28
$8.35

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