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!

Engine Camshaft
Part Number: 12625990
Positions: Right
Other Names: Camshaft More Names
Fits:
  • Buick:
    • Enclave,
    • LaCrosse,
    • Rendezvous
  • Cadillac:
    • CTS,
    • SRX,
    • STS
  • Chevrolet:
    • Equinox,
    • Malibu
  • GMC:
    • Acadia
  • Pontiac:
    • G6,
    • G8,
    • Torrent
  • Saturn:
    • Aura,
    • Outlook,
    • Vue
  • 10 more
$144.25
$88.80
$144.25
$88.80
Engine Camshaft
Part Number: 12604896
Other Names: Camshaft, Valve Cover More Names
Fits:
  • Buick:
    • LaCrosse,
    • Regal,
    • Verano
  • Chevrolet:
    • Captiva Sport,
    • Cobalt,
    • Equinox,
    • HHR,
    • Impala,
    • Malibu
  • GMC:
    • Terrain
  • Pontiac:
    • G5,
    • G6,
    • Solstice
  • Saturn:
    • Aura,
    • Sky,
    • Vue
  • 11 more
$118.78
$73.12
$118.78
$73.12
Engine Camshaft
Part Number: 12560967
Other Names: Camshaft More Names
Description: All models. Express, savana. SSR. 5.3l. 4.8l. Without engine vin code b. 6.0l. More Info
Fits:
  • Buick:
    • Rainier
  • Cadillac:
    • Escalade
  • Chevrolet:
    • Avalanche 1500,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • Silverado 1500,
    • Silverado 1500 Classic,
    • Silverado 2500,
    • SSR,
    • Suburban 1500,
    • Suburban 2500,
    • Tahoe,
    • Trailblazer EXT
  • GMC:
    • Envoy XL,
    • Envoy XUV,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sierra 2500,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
  • 20 more
$634.33
$390.50
$634.33
$390.50
Engine Camshaft
Part Number: 12565165
Positions: Right
Other Names: Camshaft More Names
Description: DTS. All models. Lucerne. Bonneville. Seville. Sls. STS. Exhaust. Right. Vin engine code y. More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DeVille,
    • DTS,
    • Seville
  • Oldsmobile:
    • Aurora
  • Pontiac:
    • Bonneville
  • 1 more
$316.12
$194.61
$316.12
$194.61
Engine Camshaft
Part Number: 12565166
Positions: Left
Other Names: Camshaft More Names
Description: DTS. All models. Lucerne. Seville. STS. Bonneville. Intake. Left. Vin engine code y. More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DeVille,
    • DTS,
    • Seville
  • Oldsmobile:
    • Aurora
  • Pontiac:
    • Bonneville
  • 1 more
$312.84
$192.59
$312.84
$192.59
Engine Camshaft
Part Number: 12565170
Positions: Left
Other Names: Camshaft More Names
Description: DTS. Lucerne. All models. Seville. STS. Intake. Left. Vin engine code 9. More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DeVille,
    • DTS,
    • Seville
$301.01
$185.31
$301.01
$185.31
Engine Camshaft
Part Number: 12565308
Other Names: Camshaft More Names
Description: Corvette. Ls6. CTS-v. More Info
Fits:
  • Cadillac:
    • CTS
  • Chevrolet:
    • Corvette
$574.94
$353.93
$574.94
$353.93
Engine Camshaft
Part Number: 12586532
Other Names: Camshaft, Rocker Arms More Names
Description: Canyon, Colorado. Hummer H3. Intake. 3.7l. More Info
Fits:
  • Chevrolet:
    • Colorado
  • GMC:
    • Canyon
  • Hummer:
    • H3,
    • H3T
$142.20
$87.54
$142.20
$87.54
Engine Camshaft
Part Number: 12590700
Other Names: Camshaft More Names
Description: HHR. Cobalt. Malibu. G5. 2.2l. Exhaust. More Info
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR,
    • Malibu
  • Pontiac:
    • G5
  • Saturn:
    • Ion
$45.88
$28.24
$45.88
$28.24
Engine Camshaft
Part Number: 12625436
Other Names: Camshaft More Names
Description: Tahoe, Yukon, Escalade. Yukon XL, Suburban. Avalanche. All models. LaCrosse. Impala, Monte Carlo. Grand Prix. Silverado, sierra. 5.3l. More Info
Fits:
  • Buick:
    • LaCrosse,
    • Rainier
  • Chevrolet:
    • Avalanche,
    • Impala,
    • Monte Carlo,
    • Silverado 1500,
    • Suburban 1500,
    • Tahoe,
    • Trailblazer
  • GMC:
    • Envoy,
    • Sierra 1500,
    • Yukon,
    • Yukon XL 1500
  • Pontiac:
    • Grand Prix
  • 9 more
$343.93
$211.72
$343.93
$211.72
Engine Camshaft
Part Number: 12625439
Other Names: Camshaft More Names
Description: Express, savana. Yukon XL, Suburban. 6.0l. More Info
Fits:
  • Chevrolet:
    • Express 2500,
    • Express 3500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban 1500,
    • Suburban 2500
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon XL 1500,
    • Yukon XL 2500
  • 7 more
$359.77
$221.46
$359.77
$221.46
Engine Camshaft
Part Number: 12625440
Other Names: Camshaft More Names
Description: Yukon XL, Suburban. Silverado, sierra. 6.0l. More Info
Fits:
  • Chevrolet:
    • Express 2500,
    • Express 3500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban 1500,
    • Suburban 2500
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon XL 1500,
    • Yukon XL 2500
  • 7 more
$330.53
$203.47
$330.53
$203.47
Engine Camshaft
Part Number: 12626660
Other Names: Camshaft More Names
Description: Express, savana. Suburban 3500hd. Silverado, sierra. 6.0l. More Info
Fits:
  • Chevrolet:
    • Express 2500,
    • Express 3500,
    • LCF 3500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban 3500 HD
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Sierra 2500 HD,
    • Sierra 3500 HD
  • 5 more
$145.90
$89.82
$145.90
$89.82
Engine Camshaft
Part Number: 12634207
Other Names: Camshaft More Names
Description: Equinox, Terrain. Verano. LaCrosse. Regal. Captiva Sport. Malibu. Impala. Intake. 2.4l. More Info
Fits:
  • Buick:
    • LaCrosse,
    • Regal,
    • Verano
  • Chevrolet:
    • Captiva Sport,
    • Equinox,
    • Impala,
    • Malibu
  • GMC:
    • Terrain
  • 3 more
$176.74
$108.80
$176.74
$108.80
Engine Camshaft
Part Number: 12638412
Positions: Right
Other Names: Camshaft More Names
Description: Exhaust. 2nd Design. Thrust Ring Behind Front Cam Cap. More Info
Fits:
  • Cadillac:
    • SRX
$199.39
$122.74
$199.39
$122.74
Engine Camshaft
Part Number: 12638651
Other Names: Camshaft More Names
Description: Canyon, Colorado. Envision. Impala. Acadia. LaCrosse. ATS. Blazer. Malibu. Intake. 2.5l. More Info
Fits:
  • Buick:
    • Envision,
    • LaCrosse
  • Cadillac:
    • ATS
  • Chevrolet:
    • Blazer,
    • Colorado,
    • Impala,
    • Malibu,
    • Malibu Limited
  • GMC:
    • Acadia,
    • Canyon
  • 5 more
$150.92
$92.90
$150.92
$92.90
Engine Camshaft
Part Number: 12642245
Other Names: Camshaft More Names
Description: Corvette. CTS-v. With z06. More Info
Fits:
  • Cadillac:
    • CTS
  • Chevrolet:
    • Camaro,
    • Corvette
$226.51
$139.44
$226.51
$139.44
Engine Camshaft
Part Number: 12664911
Other Names: Camshaft More Names
Fits:
  • Chevrolet:
    • Silverado 1500
  • GMC:
    • Sierra 1500
$165.30
$101.78
$165.30
$101.78
Engine Camshaft
Part Number: 12666072
Positions: Left
Other Names: Camshaft More Names
Description: Traverse. Enclave. XTS. Exhaust. Left. Without turbocharger. More Info
Fits:
  • Buick:
    • Enclave
  • Cadillac:
    • XTS
  • Chevrolet:
    • Impala,
    • Traverse
$115.06
$70.83
$115.06
$70.83
Engine Camshaft
Part Number: 12675780
Other Names: Camshaft More Names
Description: Volt. Exhaust. More Info
Fits:
  • Chevrolet:
    • Volt
$127.07
$78.22
$127.07
$78.22
Engine Camshaft
Part Number: 12677833
Positions: Left
Other Names: Camshaft More Names
Replaces: 12647877
Fits:
  • Buick:
    • LaCrosse,
    • Regal Sportback
  • Cadillac:
    • ATS,
    • CT6,
    • CTS,
    • XT5,
    • XT6
  • Chevrolet:
    • Blazer,
    • Camaro,
    • Colorado
  • GMC:
    • Acadia,
    • Canyon
  • 7 more
$94.03
$57.88
$94.03
$57.88
Engine Camshaft
Part Number: 12703806
Other Names: Camshaft More Names
Replaces: 12568989
Description: Express, savana. All models. Astro, Safari. S-series. Vin. x. Silverado, sierra. More Info
Fits:
  • Chevrolet:
    • Astro,
    • Blazer,
    • Express 1500,
    • Express 2500,
    • S10,
    • Silverado 1500,
    • Silverado 1500 Classic
  • GMC:
    • Safari,
    • Savana 1500,
    • Savana 2500,
    • Sierra 1500,
    • Sierra 1500 Classic,
    • Sonoma
  • 8 more
$441.14
$271.57
$441.14
$271.57
Engine Camshaft
Part Number: 90537666
Other Names: Camshaft More Names
Description: Cavalier, Sunfire. Ion. Alero, Grand Am. Cobalt. Vue. Malibu. HHR. Exhaust. 2.2l. Saturn. More Info
Fits:
  • Chevrolet:
    • Cavalier,
    • Classic,
    • Cobalt,
    • HHR,
    • Malibu
  • Oldsmobile:
    • Alero
  • Pontiac:
    • Grand Am,
    • Sunfire
  • Saturn:
    • Ion,
    • L300,
    • Vue
  • 6 more
$105.97
$65.23
$105.97
$65.23
Engine Camshaft
Part Number: 90537730
Other Names: Camshaft More Names
Description: Cavalier, Sunfire. Alero, Grand Am. Intake. Saturn. More Info
Fits:
  • Chevrolet:
    • Cavalier,
    • Classic
  • Oldsmobile:
    • Alero
  • Pontiac:
    • Grand Am,
    • Sunfire
  • Saturn:
    • L300
  • 1 more
$108.26
$66.65
$108.26
$66.65
Engine Camshaft
Part Number: 55561748
Other Names: Camshaft, F (S)Camshaft More Names
Description: G3. Exhaust. More Info
Fits:
  • Chevrolet:
    • Aveo,
    • Aveo5
  • Pontiac:
    • G3
$335.29
$206.41
$335.29
$206.41
Engine Camshaft
Part Number: 12566670
Positions: Left
Other Names: Camshaft More Names
Fits:
  • Buick:
    • Enclave,
    • LaCrosse,
    • Rendezvous
  • Cadillac:
    • CTS,
    • SRX,
    • STS
  • Chevrolet:
    • Equinox,
    • Malibu
  • GMC:
    • Acadia
  • Pontiac:
    • G6,
    • G8,
    • Torrent
  • Saturn:
    • Aura,
    • Outlook,
    • Vue
  • 10 more
$109.26
$67.25
$109.26
$67.25
Engine Camshaft
Part Number: 12568827
Positions: Left
Other Names: Camshaft More Names
Description: DTS. Lucerne. All models. Seville. STS. Exhaust. Left. Vin engine code 9. More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DeVille,
    • DTS,
    • Seville
$322.06
$198.26
$322.06
$198.26
Engine Camshaft
Part Number: 12578511
Other Names: Camshaft More Names
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR,
    • Malibu
  • Pontiac:
    • G5,
    • G6,
    • Solstice
  • Saturn:
    • Aura,
    • Ion,
    • Sky,
    • Vue
  • 5 more
$222.17
$136.77
$222.17
$136.77
Engine Camshaft
Part Number: 12578512
Other Names: Camshaft More Names
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR,
    • Malibu
  • Pontiac:
    • G5,
    • G6,
    • Solstice
  • Saturn:
    • Aura,
    • Ion,
    • Sky,
    • Vue
  • 5 more
$218.09
$134.25
$218.09
$134.25
Engine Camshaft
Part Number: 12612273
Other Names: Camshaft More Names
Description: Tahoe, Yukon, Escalade. Escalade ESV. Escalade EXT. Yukon XL, Suburban. Hummer H2. Silverado, sierra. 6.2l. 1st design. All. Without... More Info
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV,
    • Escalade EXT
  • Chevrolet:
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL 1500
  • Hummer:
    • H2
  • 8 more
$601.75
$370.44
$601.75
$370.44
Engine Camshaft
Part Number: 12625438
Other Names: Camshaft More Names
Description: Caprice PPV. Avalanche. 6.0l. More Info
Fits:
  • Chevrolet:
    • Avalanche,
    • Caprice,
    • Silverado 1500,
    • Suburban 1500
  • GMC:
    • Sierra 1500,
    • Yukon XL 1500
  • 1 more
$147.16
$90.59
$147.16
$90.59
Engine Camshaft
Part Number: 12629512
Other Names: Camshaft More Names
Description: Escalade ESV. Yukon XL. Corvette. Tahoe. Suburban. Sierra, silverado. 6.2l. Without z06. More Info
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Camaro,
    • Corvette,
    • Silverado 1500,
    • Suburban,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Yukon,
    • Yukon XL
  • 5 more
$182.44
$112.31
$182.44
$112.31
Engine Camshaft
Part Number: 12638410
Positions: Left
Other Names: Camshaft More Names
Description: Exhaust. 2nd Design. Thrust Ring Behind Front Cam Cap. More Info
Fits:
  • Cadillac:
    • SRX
$199.39
$122.74
$199.39
$122.74
Engine Camshaft
Part Number: 12638413
Positions: Right
Other Names: Camshaft More Names
Description: Intake. 2nd Design. Thrust Ring Behind Front Cam Cap. More Info
Fits:
  • Cadillac:
    • SRX
$199.39
$122.74
$199.39
$122.74
Engine Camshaft
Part Number: 12638804
Other Names: Camshaft More Names
Description: Express, savana. Silverado, sierra. More Info
Fits:
  • Chevrolet:
    • Express 2500,
    • Express 3500,
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Sierra 2500 HD,
    • Sierra 3500 HD
  • 3 more
$274.88
$169.21
$274.88
$169.21
Engine Camshaft
Part Number: 12641987
Positions: Left
Other Names: Camshaft More Names
Description: XTS. CTS. ATS. Exhaust. Left. With turbocharger. With vsport. More Info
Fits:
  • Cadillac:
    • ATS,
    • CTS,
    • XTS
$150.29
$92.52
$150.29
$92.52
Engine Camshaft
Part Number: 12666074
Positions: Right
Other Names: Camshaft More Names
Description: Traverse. Enclave. XTS. Exhaust. Right. Without turbocharger. More Info
Fits:
  • Buick:
    • Enclave
  • Cadillac:
    • XTS
  • Chevrolet:
    • Impala,
    • Traverse
$121.63
$74.88
$121.63
$74.88
Engine Camshaft
Part Number: 12675774
Other Names: Camshaft More Names
Replaces: 12665273
Description: Equinox, Terrain. Malibu. Cruze. Encore. Exhaust. 1.5l. More Info
Fits:
  • Buick:
    • Encore
  • Chevrolet:
    • Cruze,
    • Equinox,
    • Malibu,
    • Trax
  • GMC:
    • Terrain
  • 1 more
$105.86
$65.17
$105.86
$65.17
Engine Camshaft
Part Number: 12677832
Positions: Right
Other Names: Camshaft More Names
Replaces: 12647871
Fits:
  • Buick:
    • LaCrosse,
    • Regal Sportback
  • Cadillac:
    • ATS,
    • CT6,
    • CTS,
    • XT5,
    • XT6
  • Chevrolet:
    • Blazer,
    • Camaro,
    • Colorado
  • GMC:
    • Acadia,
    • Canyon
  • 7 more
$113.79
$70.05
$113.79
$70.05
Engine Camshaft
Part Number: 12688075
Other Names: F (S)Camshaft More Names
Description: Intake. More Info
Fits:
  • Buick:
    • Encore GX
$118.99
$73.27
$118.99
$73.27
Engine Camshaft
Part Number: 12689035
Other Names: Camshaft More Names
Replaces: 12625437
Description: Express, savana. Canyon, Colorado. Tahoe, Yukon, Escalade. 4.8l. Silverado, sierra. More Info
Fits:
  • Chevrolet:
    • Colorado,
    • Express 1500,
    • Express 2500,
    • Express 3500,
    • Silverado 1500,
    • Tahoe
  • GMC:
    • Canyon,
    • Savana 1500,
    • Savana 2500,
    • Savana 3500,
    • Sierra 1500,
    • Yukon
  • Hummer:
    • H3,
    • H3T
  • 9 more
$170.34
$104.87
$170.34
$104.87
Engine Camshaft
Part Number: 12611996
Other Names: Camshaft More Names
Description: HHR. G6. Malibu Hybrid. Sky. Solstice. Aura Green Line, Aura. Vue Hybrid. Intake. 2.4l. Exhaust. More Info
Fits:
  • Chevrolet:
    • HHR,
    • Malibu
  • Pontiac:
    • G6,
    • Solstice
  • Saturn:
    • Aura,
    • Sky,
    • Vue
  • 2 more
$116.29
$71.58
$116.29
$71.58
Engine Camshaft
Part Number: 12623063
Other Names: Camshaft More Names
Description: Camaro. SS. Corvette. G8. Without supercharger. Manual trans. 6.2l. More Info
Fits:
  • Chevrolet:
    • Camaro,
    • Corvette,
    • SS
  • Pontiac:
    • G8
$213.78
$131.61
$213.78
$131.61
Engine Camshaft
Part Number: 12625986
Positions: Left
Other Names: Camshaft More Names
Fits:
  • Buick:
    • Enclave,
    • LaCrosse
  • Cadillac:
    • CTS,
    • SRX,
    • STS
  • Chevrolet:
    • Camaro,
    • Equinox,
    • Malibu,
    • Traverse
  • GMC:
    • Acadia,
    • Terrain
  • Pontiac:
    • G6,
    • G8,
    • Torrent
  • Saturn:
    • Aura,
    • Outlook,
    • Vue
  • 12 more
$128.46
$79.08
$128.46
$79.08
Refurbished Camshaft
Part Number: 19420582
Positions: Right, Left
Other Names: Camshaft, More Names
Replaces: 12625989, 19420031
$290.63
$178.91
$290.63
$178.91
Engine Camshaft
Part Number: 12627159
Other Names: Camshaft More Names
Description: Canyon, Colorado. Envision. Impala. Acadia. LaCrosse. ATS. Blazer. Malibu. Exhaust. 2.5l. More Info
Fits:
  • Buick:
    • Envision,
    • LaCrosse
  • Cadillac:
    • ATS
  • Chevrolet:
    • Blazer,
    • Colorado,
    • Impala,
    • Malibu,
    • Malibu Limited
  • GMC:
    • Acadia,
    • Canyon
  • 5 more
$126.28
$77.76
$126.28
$77.76
Engine Camshaft
Part Number: 12629698
Other Names: Camshaft More Names
Description: Tahoe, Yukon, Escalade. Avalanche. G8. 6.0l. Silverado, sierra hybrid. More Info
Fits:
  • Cadillac:
    • Escalade
  • Chevrolet:
    • Avalanche,
    • Silverado 1500,
    • Silverado 2500 HD,
    • Silverado 3500 HD,
    • Suburban 1500,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Sierra 2500 HD,
    • Sierra 3500 HD,
    • Yukon,
    • Yukon XL 1500
  • Pontiac:
    • G8
  • 8 more
$169.86
$104.57
$169.86
$104.57
Engine Camshaft
Part Number: 12638172
Positions: Left
Other Names: Camshaft More Names
Fits:
  • Buick:
    • Enclave
  • Cadillac:
    • ATS,
    • CTS,
    • XTS
  • Chevrolet:
    • Captiva Sport,
    • Equinox,
    • Malibu,
    • Traverse
  • GMC:
    • Acadia,
    • Acadia Limited,
    • Terrain
  • 6 more
$114.13
$70.26
$114.13
$70.26
Engine Camshaft
Part Number: 12638173
Positions: Right
Other Names: Camshaft More Names
Fits:
  • Buick:
    • Enclave
  • Cadillac:
    • ATS,
    • CTS,
    • XTS
  • Chevrolet:
    • Captiva Sport,
    • Equinox,
    • Malibu,
    • Traverse
  • GMC:
    • Acadia,
    • Acadia Limited,
    • Terrain
  • 6 more
$114.99
$70.77
$114.99
$70.77

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