Original GM Spark Plugs

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Spark plugs are what delivers the igniting spark for your engine's internal combustion. They help you start your car or truck and create the power it uses to run. Without a dependable OEM GM spark plug, your vehicle's ignition system wouldn't work, and your vehicle wouldn't run at all. So, how does a spark plug work? First, your engine's valves fill its cylinders with a combo of air and fuel. Second, its piston compresses the mix, making more energy available. Finally, the spark plug ignites it, forcing down the piston and turning your crankshaft. Eventually, ignitions can weaken, and sparks can get smaller because of wear and corrosion. The result is more than just worsening engine efficiency. Bad spark plugs can lead to misfires and outright failures to fire. Luckily, determining when to change spark plugs is straightforward. GM spark plugs are made of high-durability materials that enable them to withstand millions of ignitions before replacing is necessary. Many are designed for extended life. That's around 100,000 miles. But, if the lead gap between plugs widens or plugs corrode, they can break. This can lead to major engine cylinder damage, and repairing an engine can be expensive. Review your GM owner's manual to figure out spark plug lifespan and be sure not to use any beyond their recommended mileage. Wondering what spark plugs you should get? You're welcome to get in touch with us for advice. Otherwise, you can order the best factory spark plugs for your GM car, truck, or SUV right here at our online store. Buy now, pay less!
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
$8.71
MSRP $14.28
$8.71
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
$13.93
MSRP $22.84
$13.93
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
$8.71
MSRP $14.28
$8.71
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
$8.71
MSRP $14.28
$8.71
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
$8.71
MSRP $14.28
$8.71
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
$9.71
MSRP $15.92
$9.71
Spark Plug
Part Number: 12582002
Description: 3.5L. More Info
MSRP $32.40
$19.76
MSRP $32.40
$19.76
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
$8.71
MSRP $14.28
$8.71
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
$2.88
MSRP $4.72
$2.88
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
$13.42
MSRP $22.00
$13.42
Spark Plug
Part Number: 05613878
Other Names: F (S)Spark Plug More Names
MSRP $3.60
$2.20
MSRP $3.60
$2.20
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
$1.77
MSRP $2.90
$1.77
Spark Plug
Part Number: 19158037
Other Names: F (S)Spark Plug More Names
MSRP $11.02
$6.72
MSRP $11.02
$6.72
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
$8.71
MSRP $14.28
$8.71
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
$6.72
MSRP $11.02
$6.72
Spark Plug
Part Number: 19238463
Other Names: F Spark Plug More Names
Description: Rapid Fire. More Info
MSRP $6.14
$3.75
MSRP $6.14
$3.75
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
$7.08
MSRP $11.60
$7.08
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
$7.08
MSRP $11.60
$7.08
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
$7.08
MSRP $11.60
$7.08
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
$8.71
MSRP $14.28
$8.71
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
$4.04
MSRP $6.62
$4.04
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
$7.08
MSRP $11.60
$7.08
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
$7.08
MSRP $11.60
$7.08
Spark Plug
Part Number: 19354417
MSRP $3.60
$2.20
MSRP $3.60
$2.20
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
$2.20
MSRP $3.60
$2.20
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
$2.20
MSRP $3.60
$2.20
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
$8.71
MSRP $14.28
$8.71
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
$7.08
MSRP $11.60
$7.08
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
$8.71
MSRP $14.28
$8.71
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
$8.71
MSRP $14.28
$8.71
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
$8.71
MSRP $14.28
$8.71
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
$8.71
MSRP $14.28
$8.71
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
$8.71
MSRP $14.28
$8.71
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
$8.71
MSRP $14.28
$8.71
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
$1.77
MSRP $2.90
$1.77
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
$6.72
MSRP $11.02
$6.72
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
$7.08
MSRP $11.60
$7.08
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
$2.20
MSRP $3.60
$2.20
Spark Plug,
Part Number: 19301656
Other Names: F (S)Spark Plug Pkg More Names
Replaces: 5613870
MSRP $3.60
$2.20
MSRP $3.60
$2.20
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
$7.08
MSRP $11.60
$7.08
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
$7.08
MSRP $11.60
$7.08
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
$7.08
MSRP $11.60
$7.08
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
$7.08
MSRP $11.60
$7.08
Spark Plug,
Part Number: 19307141
Replaces: 19238455, 19250963
MSRP $6.62
$4.04
MSRP $6.62
$4.04
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
$2.05
MSRP $3.36
$2.05
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
$2.20
MSRP $3.60
$2.20
Spark Plug
Part Number: 12674112
Other Names: F (S)Spark Plug More Names
Description: 1.4L, acdelco # 1267411. More Info
MSRP $14.28
$8.71
MSRP $14.28
$8.71

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