GM Engine Parts

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Your factory GM engine is made of a number of parts, all of which work together to create the power your car, pickup, or SUV needs. They also help move other parts that are essential to your vehicle's operation.

Meet Your Engine Parts

The engine block is the center of it all. Other parts connect to it, and the combustion you need occurs inside. Your engine pistons pump to compress and pressurize the mix of air and fuel inside the block. A cylinder head rides atop the engine block. This seals the engine and keeps the gases contained inside. Spark plugs, valves, and other components connect to the cylinder head. The camshaft opens and closes those valves in time with everything else. Your crankshaft takes the pistons' pumping motion and converts it to that rotary motion. The oil pan or sump stores the motor oil that's needed to lubricate the moving engine parts. Of course, you also have the myriad bearings, gaskets, rings, and gears that help everything fit together.

Warning Signs of Failing Engine Parts

Your engine is a modern marvel when everything's working as it should. Eventually, though, parts can start to weaken or go bad. Here are some indicators to look for:

  • Stalling
  • Acceleration trouble
  • Rough idling
  • Reduced fuel efficiency

If you let these problems go unresolved, your vehicle may not even start at all. The good news is that your solutions are right at hand. Our online auto parts department only sells genuine GM engine parts. That means you're sure to find the right items for your repair job, with the assurance that they're guaranteed to fit exactly right. Order yours today and we'll get them shipped right out!

Passenger Side Engine Exhaust Camshaft
Part Number: 12625990
Options: Right
Other Names: Engine Camshaft More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors\ \ . More Info
MSRP $156.84
$96.55
MSRP $156.84
$96.55
Engine Camshaft
Part Number: 12604896
Other Names: Camshaft, Valve Cover More Names
MSRP $129.71
$79.84
MSRP $129.71
$79.84
Passenger Side Engine Exhaust Camshaft
Part Number: 12568826
Options: Right
Other Names: Engine Camshaft More Names
Description: DTS. Lucerne. Right. All models. Seville. Intake. Sls. Vin code 9. Exhaust. This GM Genuine Part is designed, engineered, and tested to... More Info
MSRP $317.55
$195.48
MSRP $317.55
$195.48
Engine Camshaft
Part Number: 12593206
Other Names: Engine Camshaft More Names
Description: All models. Corvette. 6.0l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $412.42
$253.99
MSRP $412.42
$253.99
Engine Intake Camshaft
Part Number: 12611996
Other Names: Engine Camshaft More Names
Description: HHR. 2.4l. G6. Intake. Malibu Hybrid. Sky. 2.4l. Solstice. Exhaust. 2.4l. Aura Green Line, Aura. Vue Hybrid. This GM Genuine Part is... More Info
MSRP $126.70
$77.99
MSRP $126.70
$77.99
Engine Camshaft
Part Number: 12623063
Other Names: Camshaft More Names
Description: Camaro. Without supercharger. Manual trans. SS. Corvette. 6.2l. G8. 6.2l. More Info
MSRP $232.99
$143.43
MSRP $232.99
$143.43
Driver Side Engine Intake Camshaft
Part Number: 12625986
Options: Left
Other Names: Engine Camshaft More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors\ \ . More Info
MSRP $45.26
$27.86
MSRP $45.26
$27.86
Engine Exhaust Camshaft
Part Number: 12627159
Other Names: Engine Camshaft More Names
Description: Canyon, Colorado. Envision. Impala. Acadia. Exhaust. LaCrosse. ATS. 2.5l. Blazer. Malibu. 2.5l. This GM Genuine Part is designed,... More Info
MSRP $138.55
$85.32
MSRP $138.55
$85.32
Engine Camshaft
Part Number: 12629698
Other Names: Engine Camshaft More Names
Description: Silverado, sierra. 6.0l. Tahoe, Yukon, Escalade. Silverado, sierra hybrid. Avalanche. 6.0l. G8. 6.0l. This GM Genuine Part is designed,... More Info
MSRP $185.13
$113.97
MSRP $185.13
$113.97
Driver Side Engine Intake Camshaft
Part Number: 12638172
Options: Left
Other Names: Engine Camshaft More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors\ \ . More Info
MSRP $124.09
$76.40
MSRP $124.09
$76.40
Passenger Side Engine Intake Camshaft
Part Number: 12638173
Options: Right
Other Names: Engine Camshaft More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors\ \ . More Info
MSRP $119.05
$73.29
MSRP $119.05
$73.29
Driver Side Engine Intake Camshaft
Part Number: 12638411
Options: Left
Other Names: Engine Camshaft More Names
Description: Intake. 2nd Design. Thrust Ring Behind Front Cam Cap. This GM Genuine Part is designed, engineered, and tested to rigorous standards and... More Info
MSRP $206.96
$127.41
MSRP $206.96
$127.41
Engine Camshaft
Part Number: 12642853
Other Names: Engine Camshaft More Names
Description: Express, savana. Canyon, Colorado. Exhaust. Incl.Engine Timing Camshaft Gear. This GM Genuine Part is designed, engineered, and tested... More Info
MSRP $314.21
$193.47
MSRP $314.21
$193.47
Engine Camshaft and Lifter Kit
Part Number: 12646602
Other Names: Engine Camshaft More Names
Description: Express, savana. Canyon, Colorado. Intake. Incl.Engine Timing Camshaft Gear. This GM Genuine Part is designed, engineered, and tested to... More Info
MSRP $313.91
$193.29
MSRP $313.91
$193.29
Overhead Valve Camshaft
Part Number: 12664912
Other Names: Engine Camshaft More Names
Description: Silverado, sierra. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors\ \ . More Info
MSRP $173.56
$106.87
MSRP $173.56
$106.87
Driver Side Intake Camshaft
Part Number: 12666073
Options: Left
Other Names: Engine Camshaft More Names
Description: Traverse. Intake. Left. Enclave. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General... More Info
MSRP $101.50
$62.50
MSRP $101.50
$62.50
Passenger Side Intake Camshaft
Part Number: 12666075
Options: Right
Other Names: Engine Camshaft More Names
Description: Traverse. Intake. Right. Enclave. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
MSRP $127.72
$78.62
MSRP $127.72
$78.62
Intake Camshaft
Part Number: 12675773
Other Names: Engine Camshaft More Names
Replaces: 12665277
Description: Malibu. 1.5l. Cruze. Encore. Intake. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
MSRP $131.40
$80.90
MSRP $131.40
$80.90
Engine Intake Camshaft
Part Number: 12675779
Other Names: Engine Camshaft More Names
Description: Volt. Intake. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $182.95
$112.62
MSRP $182.95
$112.62
Driver Side Intake Camshaft
Part Number: 12677826
Options: Left
Other Names: Engine Camshaft More Names
Replaces: 12647875, 12659322
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $101.40
$62.42
MSRP $101.40
$62.42
Driver Side Intake Camshaft
Part Number: 12684809
Options: Left
Other Names: Engine Camshaft More Names
Description: Intake. Optional. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $133.81
$82.39
MSRP $133.81
$82.39
Intake Camshaft
Part Number: 12698637
Other Names: Engine Camshaft More Names
Replaces: 12698636
Description: 2nd Design. CT4. Intake. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $147.72
$90.96
MSRP $147.72
$90.96
Engine Camshaft
Part Number: 10241264
Other Names: Engine Camshaft More Names
Description: All models. 5.7l. Express, savana. All models. 5.0l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and... More Info
MSRP $395.49
$243.56
MSRP $395.49
$243.56
Engine Intake Camshaft
Part Number: 90537730
Other Names: Engine Camshaft More Names
Description: Cavalier, Sunfire. Alero, Grand Am. Intake. Saturn. This GM Genuine Part is designed, engineered, and tested to rigorous standards and... More Info
MSRP $108.26
$66.65
MSRP $108.26
$66.65
Driver Side Engine Exhaust Camshaft
Part Number: 12568827
Options: Left
Other Names: Engine Camshaft More Names
Description: DTS. Lucerne. Left. All models. Seville. STS. Vin code 9. Exhaust. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
MSRP $338.17
$208.17
MSRP $338.17
$208.17
Engine Camshaft
Part Number: 12570332
Options: Left
Other Names: Camshaft More Names
Description: Seville. Intake. Sls. Left. More Info
MSRP $257.58
$231.82
MSRP $257.58
$231.82
Engine Intake Camshaft
Part Number: 12578511
Other Names: Engine Camshaft More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $233.28
$143.61
MSRP $233.28
$143.61
Engine Exhaust Camshaft
Part Number: 12578512
Other Names: Engine Camshaft More Names
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $229.00
$140.97
MSRP $229.00
$140.97
Engine Camshaft
Part Number: 12612273
Other Names: Engine Camshaft More Names
Description: Silverado, sierra. 6.2l. 1st design. Tahoe, Yukon, Escalade. 6.2l. All. Escalade ESV. 1st design. Escalade EXT. Without active fuel... More Info
MSRP $655.85
$403.74
MSRP $655.85
$403.74
Engine Camshaft
Part Number: 12625438
Other Names: Camshaft More Names
Description: Caprice PPV. Avalanche. 6.0l. More Info
MSRP $159.99
$98.50
MSRP $159.99
$98.50
Engine Camshaft
Part Number: 12629512
Other Names: Camshaft More Names
Description: Escalade ESV. Sierra, silverado. 6.2l. Yukon XL. 6.2l. Corvette. Without z06. Tahoe. 6.2l. Suburban. 6.2l. More Info
MSRP $200.55
$123.47
MSRP $200.55
$123.47
Driver Side Engine Exhaust Camshaft
Part Number: 12638410
Options: Left
Other Names: Engine Camshaft More Names
Description: Exhaust. 2nd Design. Thrust Ring Behind Front Cam Cap. This GM Genuine Part is designed, engineered, and tested to rigorous standards... More Info
MSRP $206.96
$127.41
MSRP $206.96
$127.41
Passenger Side Engine Intake Camshaft
Part Number: 12638413
Options: Right
Other Names: Engine Camshaft More Names
Description: Intake. 2nd Design. Thrust Ring Behind Front Cam Cap. This GM Genuine Part is designed, engineered, and tested to rigorous standards and... More Info
MSRP $206.96
$127.41
MSRP $206.96
$127.41
Engine Camshaft
Part Number: 12638804
Other Names: Engine Camshaft More Names
Description: Silverado, sierra. Express, savana. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by... More Info
MSRP $298.86
$183.98
MSRP $298.86
$183.98
Driver Side Engine Exhaust Camshaft
Part Number: 12641987
Options: Left
Other Names: Engine Camshaft More Names
Description: XTS. With turbocharger. CTS. With vsport. ATS. Left. Exhaust. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
MSRP $164.59
$101.33
MSRP $164.59
$101.33
Passenger Side Exhaust Camshaft
Part Number: 12666074
Options: Right
Other Names: Engine Camshaft More Names
Description: Traverse. Exhaust. Enclave. XTS. Right. Without turbocharger. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
MSRP $127.72
$78.62
MSRP $127.72
$78.62
Engine Camshaft
Part Number: 12675774
Other Names: Camshaft More Names
Replaces: 12665273, 12672941
Description: Equinox, Terrain. Malibu. 1.5l. Cruze. Encore. Exhaust. More Info
MSRP $116.16
$71.51
MSRP $116.16
$71.51
Passenger Side Exhaust Camshaft
Part Number: 12677832
Options: Right
Other Names: Engine Camshaft More Names
Replaces: 12647871
Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $113.79
$70.05
MSRP $113.79
$70.05
Intake Camshaft
Part Number: 12688075
Other Names: Engine Camshaft More Names
Description: Intake. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $118.99
$73.27
MSRP $118.99
$73.27
Overhead Valve Camshaft
Part Number: 12689035
Other Names: Engine Camshaft More Names
Replaces: 12625437
Description: Express, savana. 4.8l. Silverado, sierra. 4.8l. Canyon, Colorado. Tahoe, Yukon, Escalade. 4.8l. This GM Genuine Part is designed,... More Info
MSRP $186.01
$114.51
MSRP $186.01
$114.51
Engine Exhaust Camshaft
Part Number: 55561748
Other Names: Engine Camshaft More Names
Description: G3. Exhaust. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $368.29
$226.81
MSRP $368.29
$226.81
Engine Camshaft
Part Number: 55565289
Other Names: Camshaft More Names
Replaces: 25193666, 25198110
Description: Exhaust. More Info
MSRP $289.27
$178.07
MSRP $289.27
$178.07
Engine Camshaft
Part Number: 12634207
Other Names: Camshaft More Names
Description: Equinox, Terrain. Verano. 2.4l. LaCrosse. Regal. Captiva Sport. Malibu. Intake. Impala. More Info
MSRP $192.17
$118.30
MSRP $192.17
$118.30
Passenger Side Engine Exhaust Camshaft
Part Number: 12638412
Options: Right
Other Names: Engine Camshaft More Names
Description: Exhaust. 2nd Design. Thrust Ring Behind Front Cam Cap. This GM Genuine Part is designed, engineered, and tested to rigorous standards... More Info
MSRP $206.96
$127.41
MSRP $206.96
$127.41
Engine Intake Camshaft
Part Number: 12638651
Other Names: Engine Camshaft More Names
Description: Canyon, Colorado. Envision. Impala. Acadia. Intake. LaCrosse. ATS. 2.5l. Blazer. Malibu. 2.5l. This GM Genuine Part is designed,... More Info
MSRP $158.46
$97.55
MSRP $158.46
$97.55
Engine Camshaft
Part Number: 12642245
Other Names: Engine Camshaft More Names
Description: Corvette. With z06. CTS-v. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $237.84
$146.42
MSRP $237.84
$146.42
Engine Camshaft
Part Number: 12664911
Other Names: Camshaft More Names
MSRP $173.56
$106.87
MSRP $173.56
$106.87
Driver Side Exhaust Camshaft
Part Number: 12666072
Options: Left
Other Names: Engine Camshaft More Names
Description: Traverse. Exhaust. Enclave. XTS. Left. Without turbocharger. This GM Genuine Part is designed, engineered, and tested to rigorous... More Info
MSRP $120.81
$74.37
MSRP $120.81
$74.37
Engine Exhaust Camshaft
Part Number: 12675780
Other Names: Engine Camshaft More Names
Description: Volt. Exhaust. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors More Info
MSRP $127.07
$78.22
MSRP $127.07
$78.22

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