GM Spark Plugs

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The spark plugs on your vehicle supply electric current from the ignition system to the combustion chamber. High performance spark plugs can boost your vehicle's performance. It is important when replacing spark plugs that you purchase the right size for your vehicle. If the spark plugs are too long or too short they can cause extensive damage to your engine. If you begin to notice that your vehicle is idling roughly, your engine is misfiring, or that your vehicle simply doesn't have the power it once did, it is definitely time get your spark plugs checked out. When replacing them be sure to refer to what the manufacturer suggests is right for your GM vehicle. Then, shop at National GM Parts for some of the highest-quality OEM spark plugs on the market. Whether you need to replace one spark plug or four, National GM Parts has everything you need to do it as easily and flawlessly as possible. Start by selecting your vehicle's make, model, and year, and then our website can show you the spark plugs we have that are going to fit best within your specific vehicle's engine. From there, you can purchase the spark plugs that fit your price range, and National GM Parts will have your choice shipped right to your door. How simple is that? Start shopping through our online store today and see for yourself just how high-quality and long-lasting our OEM spark plugs really are.

Spark Plug
Part Number: 12571533
Description: 4.4 & 4.6L, 4.6L. More Info
MSRP $10.66
$5.86
MSRP $10.66
$5.86
Spark Plug
Part Number: 12674112
Other Names: F (S)Spark Plug More Names
Description: 1.4L, acdelco # 1267411. More Info
MSRP $14.28
$7.85
MSRP $14.28
$7.85
Spark Plug,
Part Number: 19208535
Replaces: 19158043, 25173406, 25312442, 88892834
MSRP $11.02
$6.06
MSRP $11.02
$6.06
Spark Plug
Part Number: 19362247
MSRP $3.78
$2.08
MSRP $3.78
$2.08
Spark Plug,
Part Number: 19301656
Other Names: F (S)Spark Plug Pkg More Names
Replaces: 5613870, 5613888
MSRP $3.78
$2.08
MSRP $3.78
$2.08
Spark Plug,
Part Number: 19307141
Replaces: 19238455, 19250963, 19145286
MSRP $6.96
$3.83
MSRP $6.96
$3.83
Spark Plug Assembly
Part Number: 19366108
Replaces: 88901234, 19310637, 5614000
MSRP $3.78
$2.08
MSRP $3.78
$2.08
Spark Plug
Part Number: 94859009
$3.65
$3.65
Spark Plug,
Part Number: 12571535
Options: Left, Right
Replaces: 12561466
Description: Platinum. 4.4 & 4.6L, 4.6L. More Info
MSRP $10.66
$5.86
MSRP $10.66
$5.86
Spark Plug,
Part Number: 12578277
Replaces: 12561454
Description: Vendor:acdelco. Vendor #41-983. 8.1L. More Info
MSRP $10.66
$5.86
MSRP $10.66
$5.86
Spark Plug
Part Number: 05613882
Other Names: F (S)Spark Plug More Names
MSRP $3.22
$1.77
MSRP $3.22
$1.77
Spark Plug
Part Number: 05614046
Other Names: F (S)Spark Plug More Names
Description: Vendor:acdelco. Vendor #R43CTS6. More Info
MSRP $2.90
$1.60
MSRP $2.90
$1.60
Spark Plug
Part Number: 05614281
Other Names: F (S)Spark Plug More Names
Description: Platinum. More Info
MSRP $10.66
$5.86
MSRP $10.66
$5.86
Spark Plug
Part Number: 88901006
Other Names: F (S)Spark Plug Pkg More Names
Description: Vendor:acdelco. Vendor #41-800. Platinum. More Info
MSRP $11.02
$6.06
MSRP $11.02
$6.06
Spark Plug
Part Number: 88901021
Other Names: F (S)Spark Plug Pkg More Names
Description: Platinum. More Info
MSRP $11.02
$6.06
MSRP $11.02
$6.06
Spark Plug
Part Number: 12582002
Description: 3.5L. More Info
MSRP $34.02
$18.71
MSRP $34.02
$18.71
Spark Plug,
Part Number: 12621258
Replaces: 12563707, 12571164, 12609877
Description: Vendor:acdelco. Vendor #41-985. 6.0L. 5.3L. 6.2L without supercharger. Iridium. 6.0 & 6.2L. More Info
MSRP $11.90
$6.55
MSRP $11.90
$6.55
Spark Plug,
Part Number: 19158037
Other Names: F (S)Spark Plug More Names
Replaces: 25164048
MSRP $11.02
$6.06
MSRP $11.02
$6.06
Spark Plug
Part Number: 05613878
Other Names: F (S)Spark Plug More Names
MSRP $3.60
$1.98
MSRP $3.60
$1.98
Sparkplug (41-905)
Part Number: 19208523
Other Names: F (S)Spark Plug More Names
Replaces: 5614243, 19158031
Description: Police. Taxi. Vendor:acdelco. Vendor #CR43TS. Platinum. More Info
MSRP $11.02
$6.06
MSRP $11.02
$6.06
Spark Plug Pkg
Part Number: 19238463
Other Names: F Spark Plug More Names
Replaces: 19145294, 25332827
Description: Rapid Fire. More Info
MSRP $6.14
$3.38
MSRP $6.14
$3.38
Spark Plug
Part Number: 19354417
MSRP $3.78
$2.08
MSRP $3.78
$2.08
Iridium Spark Plug
Part Number: 12642722
Other Names: Spark Plug More Names
Description: 6.2L supercharged. 6.2L. with supercharger. Iridium is the latest in spark plug technology and is an exact replacement for vehicles'... More Info
MSRP $15.00
$8.25
MSRP $15.00
$8.25
Spark Plug Wire
Part Number: 12666674
Other Names: Spark Plug Wire More Names
Description: Durable to help transfer high voltage pulses without damage More Info
MSRP $21.42
$11.78
MSRP $21.42
$11.78
Iridium Spark Plug
Part Number: 12680072
Other Names: Spark Plug More Names
Description: 6.0L. Iridium. Vendor:acdelco. Vendor #41-985. Iridium is the latest in spark plug technology and is an exact replacement for vehicles'... More Info
MSRP $15.00
$8.25
MSRP $15.00
$8.25
Iridium Spark Plug
Part Number: 12681656
Other Names: Spark Plug More Names
Replaces: 55576026, 55585517
Description: 1.4L turbo. Without high output. 1.8L. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original... More Info
MSRP $15.00
$8.25
MSRP $15.00
$8.25
Iridium Spark Plug
Part Number: 12681657
Other Names: Spark Plug More Names
Replaces: 12611882
Description: Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium composition... More Info
MSRP $15.00
$8.25
MSRP $15.00
$8.25
Iridium Spark Plug
Part Number: 12681663
Other Names: Spark Plug More Names
Replaces: 12625058, 12569190, 12598004, 12599232, 25337472
Description: Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium composition... More Info
MSRP $15.00
$8.25
MSRP $15.00
$8.25
Spark Plug Wire
Part Number: 12716289
Other Names: Wire More Names
Replaces: 12633447, 12670293
Description: 4.3L, 2018-19. Express, savana. 4.3l. Wire set. 6.6L gas. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Spark plug wire.... More Info
Notes: Included with plug wire set. More Notes
MSRP $26.61
$14.63
MSRP $26.61
$14.63
Spark Plug Wire
Part Number: 89018136
Other Names: Spark Plug Wire More Names
Description: Cylinder 5. Durable to help transfer high voltage pulses without damage More Info
MSRP $33.92
$18.66
MSRP $33.92
$18.66
Wire, Splg #2 Cylinder
Part Number: 91177589
Replaces: 91172609
Description: Cylinder 2. More Info
MSRP $42.43
$38.19
MSRP $42.43
$38.19
Conventional Spark Plug
Part Number: 25186682
Other Names: Spark Plug More Names
Description: 2009-11. Black Onyx coating helps reduce corrosion\ Copper core provides great heat transfer and helps maximize plug durability\ Ribbed... More Info
MSRP $12.18
$6.70
MSRP $12.18
$6.70
Iridium Spark Plug
Part Number: 25190786
Other Names: Spark Plug More Names
Replaces: 25181358
Description: Iridium composition provides a high melting point and great strength, providing excellent wear resistance and durability\ Iridium offers... More Info
MSRP $15.00
$8.25
MSRP $15.00
$8.25
Iridium Spark Plug
Part Number: 55504354
Other Names: Spark Plug More Names
Description: 2.0l. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\ Iridium composition... More Info
MSRP $16.72
$9.20
MSRP $16.72
$9.20
Spark Plug Wire
Part Number: 21024470
Description: Cylinder 3. More Info
MSRP $9.72
$8.75
MSRP $9.72
$8.75
Spark Plug Wire
Part Number: 12036968
Other Names: Cable More Names
Description: All models. Without hi-output engine. No. 5. 6 cylinder. Cylinder 2. More Info
MSRP $13.90
$12.51
MSRP $13.90
$12.51
Spark Plug Wire
Part Number: 12072145
Other Names: Spark Plug Wire More Names
Replaces: 12096427
Description: Cylinder 4. All models. 3.1l. No.5. Durable to help transfer high voltage pulses without damage More Info
MSRP $11.66
$6.41
MSRP $11.66
$6.41
Spark Plug Wire
Part Number: 12192467
Other Names: Spark Plug Wire More Names
Replaces: 12192448
Description: Cylinder 6. Durable to help transfer high voltage pulses without damage More Info
MSRP $31.64
$17.40
MSRP $31.64
$17.40
Spark Plug Wire
Part Number: 12192473
Other Names: Spark Plug Wire More Names
Replaces: 12173539, 12192154, 12192455
Description: Cylinder 1. Durable to help transfer high voltage pulses without damage More Info
MSRP $18.65
$10.26
MSRP $18.65
$10.26
Spark Plug Wire
Part Number: 12192475
Other Names: Spark Plug Wire More Names
Replaces: 12073904, 12173540, 12192156, 12192395, 12192456
Description: Cylinder 3. Durable to help transfer high voltage pulses without damage More Info
MSRP $67.56
$37.16
MSRP $67.56
$37.16
Spark Plug Wire
Part Number: 12192477
Other Names: Spark Plug Wire More Names
Replaces: 12173541, 12192157, 12192457
Description: Cylinder 5. Durable to help transfer high voltage pulses without damage More Info
MSRP $34.17
$18.79
MSRP $34.17
$18.79
Spark Plug Wire
Part Number: 19180532
Other Names: Plug Wire More Names
Description: 6.2L with supercharger. Wagon, 6.2L. Durable to help transfer high voltage pulses without damage More Info
MSRP $26.42
$14.53
MSRP $26.42
$14.53
Iridium Spark Plug
Part Number: 19185432
Other Names: Spark Plug More Names
Replaces: 88969636
Description: 2.4L. 1.8l with ho. Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components\... More Info
MSRP $14.28
$7.85
MSRP $14.28
$7.85
Conventional Spark Plug
Part Number: 19300749
Other Names: Spark Plug More Names
Replaces: 19157986, 5613611
Description: Black Onyx coating helps reduce corrosion\ \ Copper core provides great heat transfer and helps maximize plug durability\ \ Ribbed... More Info
MSRP $3.78
$2.08
MSRP $3.78
$2.08
Conventional Spark Plug
Part Number: 19302733
Other Names: Spark Plug More Names
Replaces: 5613100
Description: Standard. Vendor:acdelco. Vendor #R42XLS. Black Onyx coating helps reduce corrosion\ \ Copper core provides great heat transfer and... More Info
MSRP $3.52
$1.94
MSRP $3.52
$1.94
Conventional Spark Plug
Part Number: 19302741
Other Names: Spark Plug More Names
Replaces: 19157996, 5614029, 5614288
Description: Optional. Vendor:acdelco. Vendor #cr43tsm. Standard. Black Onyx coating helps reduce corrosion\ \ Copper core provides great heat... More Info
MSRP $3.78
$2.08
MSRP $3.78
$2.08
RAPIDFIRE Spark Plug
Part Number: 19307138
Other Names: Spark Plug More Names
Replaces: 19250961, 19145284, 19238453, 25164640
Description: Rapid Fire. Vendor:acdelco. Vendor #CR43TS. Police. Taxi. Solid state suppressor, with two-piece glass and brass seal, can help reduce... More Info
MSRP $6.96
$3.83
MSRP $6.96
$3.83
RAPIDFIRE Spark Plug
Part Number: 19307139
Other Names: Spark Plug More Names
Replaces: 19145283, 19250960, 19238452, 25164639
Description: Exc.Police. Exc.Taxi. Platinum. Vendor:acdelco. Vendor #CR43TS. Solid state suppressor, with two-piece glass and brass seal, can help... More Info
MSRP $6.96
$3.83
MSRP $6.96
$3.83
RAPIDFIRE Spark Plug
Part Number: 19308033
Other Names: Spark Plug More Names
Replaces: 19238464, 19250971, 19145295, 25332828
Description: Rapid Fire. Vendor:acdelco. Vendor #14. 3.8L, without supercharged. 3.1L. Solid state suppressor, with two-piece glass and brass seal,... More Info
MSRP $6.96
$3.83
MSRP $6.96
$3.83
Spark Plug Wire
Part Number: 19351562
Other Names: Spark Plug Wire More Names
Replaces: 12192358, 12173580
Description: Cylinder 4. Cylinder 5. Cylinder 7. Express, savana. 4.3l. Individual wires. #4. Individual cable. Without zr1. No. 4. Auto trans.... More Info
MSRP $36.83
$20.26
MSRP $36.83
$20.26

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