The Best Automotive Engine Parts

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An engine has many parts. They include a block, a cylinder head, cylinders, pistons, valves, valve covers, a crankshaft, a camshaft, spark plugs, and an oil pan or sump, among others. Each of them has a different job.

The cylinder head helps keep gas and oil from leaking, while the pistons pressurize the gas and oxygen the spark plugs ignite for the engine to burn. Intake valves regulate the engine's ratio of air to fuel, while exhaust valves regulate its fumes. Valve covers protect its valves, the camshaft helps synchronize their activity, and the crankshaft turns power into rotary motion, which a drive shaft and transmission use to turn wheels and spin tires.

Many other parts ensure an engine fits together properly. If any of them wear out, engine trouble follows. Luckily, there are signs of it that you can watch for, including problems accelerating and idling, worsening fuel efficiency, stalls, and the inability to start your vehicle. Seeing any of them? Inspect to figure out their causes.

Order OEM Engine Parts Online | Genuine Mopar and GM Parts

Whether you need a completely new motor or just some new parts for it, our auto parts store has what you need, in stock and ready to ship immediately. The engine parts we sell are genuine OEM, too, directly from GM or Mopar and guaranteed to work with the make and model you drive. You can even buy them here online. Order now!

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
MSRP $118.78
$75.15
MSRP $118.78
$75.15
Engine Camshaft
Part Number: 12560967
Other Names: Camshaft More Names
Description: Without engine vin code b. Express, savana. 4.8l. All models. Express, savana. 5.3l. SSR. 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
MSRP $634.33
$394.11
MSRP $634.33
$394.11
Engine Camshaft
Part Number: 12565165
Positions: Right
Other Names: Camshaft More Names
Description: DTS. All models. Exhaust. Lucerne. Right. Bonneville. Seville. Sls. Vin code y. STS. More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DeVille,
    • DTS,
    • Seville
  • Oldsmobile:
    • Aurora
  • Pontiac:
    • Bonneville
  • 1 more
MSRP $316.12
$197.31
MSRP $316.12
$197.31
Engine Camshaft
Part Number: 12565166
Positions: Left
Other Names: Camshaft More Names
Description: DTS. All models. Intake. Lucerne. Left. Seville. STS. Vin code y. Bonneville. More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DeVille,
    • DTS,
    • Seville
  • Oldsmobile:
    • Aurora
  • Pontiac:
    • Bonneville
  • 1 more
MSRP $312.84
$195.26
MSRP $312.84
$195.26
Engine Camshaft
Part Number: 12565170
Positions: Left
Other Names: Camshaft More Names
Description: DTS. Lucerne. Left. All models. Seville. STS. Vin code 9. Intake. More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DeVille,
    • DTS,
    • Seville
MSRP $301.01
$187.88
MSRP $301.01
$187.88
Engine Camshaft
Part Number: 12565308
Other Names: Camshaft, F (S)Camshaft More Names
Description: Corvette. Ls6. CTS-v. More Info
Fits:
  • Cadillac:
    • CTS
  • Chevrolet:
    • Corvette
MSRP $574.94
$357.20
MSRP $574.94
$357.20
Engine Camshaft
Part Number: 12586532
Other Names: Camshaft, Rocker Arms More Names
Description: Canyon, Colorado. Hummer H3. 3.7l. Intake. More Info
Fits:
  • Chevrolet:
    • Colorado
  • GMC:
    • Canyon
  • Hummer:
    • H3,
    • H3T
MSRP $142.20
$89.98
MSRP $142.20
$89.98
Engine Camshaft
Part Number: 12590700
Other Names: Camshaft More Names
Description: HHR. 2.2l. Cobalt. 2.2l. Malibu. G5. 2.2l. Exhaust. More Info
Fits:
  • Chevrolet:
    • Cobalt,
    • HHR,
    • Malibu
  • Pontiac:
    • G5
  • Saturn:
    • Ion
MSRP $45.88
$29.81
MSRP $45.88
$29.81
Engine Camshaft
Part Number: 12625436
Other Names: Camshaft More Names
Description: Silverado, sierra. 5.3l. Tahoe, Yukon, Escalade. 5.3l. Yukon XL, Suburban. 5.3l. Avalanche. 5.3l. All models. LaCrosse. Impala, Monte... 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
MSRP $343.93
$214.66
MSRP $343.93
$214.66
Engine Camshaft
Part Number: 12625439
Other Names: Camshaft More Names
Description: Express, savana. 6.0l. 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
MSRP $359.77
$224.54
MSRP $359.77
$224.54
Engine Camshaft
Part Number: 12625440
Other Names: Camshaft More Names
Description: Silverado, sierra. 6.0l. 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
MSRP $330.53
$206.30
MSRP $330.53
$206.30
Engine Camshaft
Part Number: 12626660
Other Names: Camshaft More Names
Description: Silverado, sierra. Express, savana. 6.0l. Suburban 3500hd. 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
MSRP $145.90
$92.32
MSRP $145.90
$92.32
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
Fits:
  • Buick:
    • LaCrosse,
    • Regal,
    • Verano
  • Chevrolet:
    • Captiva Sport,
    • Equinox,
    • Impala,
    • Malibu
  • GMC:
    • Terrain
  • 3 more
MSRP $176.74
$110.31
MSRP $176.74
$110.31
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
MSRP $199.39
$124.45
MSRP $199.39
$124.45
Engine Camshaft
Part Number: 12638651
Other Names: Camshaft More Names
Description: Canyon, Colorado. Envision. Impala. Acadia. Intake. LaCrosse. ATS. 2.5l. Blazer. Malibu. 2.5l. More Info
Fits:
  • Buick:
    • Envision,
    • LaCrosse
  • Cadillac:
    • ATS
  • Chevrolet:
    • Blazer,
    • Colorado,
    • Impala,
    • Malibu,
    • Malibu Limited
  • GMC:
    • Acadia,
    • Canyon
  • 5 more
MSRP $150.92
$95.48
MSRP $150.92
$95.48
Engine Camshaft
Part Number: 12642245
Other Names: Camshaft More Names
Description: Corvette. With z06. CTS-v. More Info
Fits:
  • Cadillac:
    • CTS
  • Chevrolet:
    • Camaro,
    • Corvette
MSRP $226.51
$141.38
MSRP $226.51
$141.38
Engine Camshaft
Part Number: 12664911
Other Names: Camshaft More Names
Fits:
  • Chevrolet:
    • Silverado 1500
  • GMC:
    • Sierra 1500
MSRP $165.30
$104.61
MSRP $165.30
$104.61
Engine Camshaft
Part Number: 12666072
Positions: Left
Other Names: Camshaft More Names
Description: Traverse. Exhaust. Enclave. XTS. Left. Without turbocharger. More Info
Fits:
  • Buick:
    • Enclave
  • Cadillac:
    • XTS
  • Chevrolet:
    • Impala,
    • Traverse
MSRP $115.06
$72.79
MSRP $115.06
$72.79
Engine Camshaft
Part Number: 12675780
Other Names: Camshaft More Names
Description: Volt. Exhaust. More Info
Fits:
  • Chevrolet:
    • Volt
MSRP $127.07
$80.40
MSRP $127.07
$80.40
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
MSRP $94.03
$59.48
MSRP $94.03
$59.48
Engine Camshaft
Part Number: 12703806
Other Names: Camshaft, F (S)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
MSRP $441.14
$275.34
MSRP $441.14
$275.34
Engine Camshaft
Part Number: 25203252
Other Names: F (S)Camshaft More Names
Description: Exhaust. More Info
Fits:
  • Buick:
    • Envision
MSRP $212.52
$132.68
MSRP $212.52
$132.68
Engine Camshaft
Part Number: 90537666
Other Names: Camshaft More Names
Description: Cavalier, Sunfire. Ion. 2.2l. Alero, Grand Am. Cobalt. 2.2l. Vue. Malibu. HHR. 2.2l. Saturn. Exhaust. 2.2l. More Info
Fits:
  • Chevrolet:
    • Cavalier,
    • Classic,
    • Cobalt,
    • HHR,
    • Malibu
  • Oldsmobile:
    • Alero
  • Pontiac:
    • Grand Am,
    • Sunfire
  • Saturn:
    • Ion,
    • L300,
    • Vue
  • 6 more
MSRP $105.97
$67.04
MSRP $105.97
$67.04
Engine Camshaft
Part Number: 5037379AD
Other Names: 05037379ad, Camshaft More Names
Replaces: 5037379AA, 5037379AB, 5037379AC
Notes: 12. More Notes
Fits:
  • Chrysler:
    • 300
  • Dodge:
    • Challenger,
    • Charger,
    • Magnum
  • Jeep:
    • Grand Cherokee
MSRP $394.00
$259.60
MSRP $394.00
$259.60
Engine Camshaft
Part Number: 5038808AA
Other Names: 05038808aa, Camshaft More Names
Notes: 15. More Notes
Fits:
  • Dodge:
    • Challenger,
    • Charger
MSRP $1,995.00
$1,302.55
MSRP $1,995.00
$1,302.55
Engine Camshaft
Part Number: 5047337AI
Other Names: 05047337ai, Camshaft More Names
Replaces: 5047337AF, 5047337AG, 5047337AH
Notes: 12. More Notes
Fits:
  • Chrysler:
    • 200
  • Dodge:
    • Dart
  • Fiat:
    • 500X
  • Jeep:
    • Cherokee,
    • Compass,
    • Renegade
  • Ram:
    • ProMaster City
  • 2 more
MSRP $270.00
$177.10
MSRP $270.00
$177.10
Engine Camshaft
Part Number: 53021893AC
Positions: Left
Other Names: Camshaft More Names
Replaces: 53021893AA, 53021893AB
Description: Left. More Info
Notes: 19. More Notes
Fits:
  • Dodge:
    • Dakota,
    • Durango,
    • Nitro,
    • Ram 1500
  • Jeep:
    • Commander,
    • Grand Cherokee,
    • Liberty
  • Ram:
    • 1500,
    • Dakota
  • 4 more
MSRP $608.00
$396.76
MSRP $608.00
$396.76
Engine Camshaft
Part Number: 12568827
Positions: Left
Other Names: Camshaft More Names
Description: DTS. Lucerne. Left. All models. Seville. STS. Vin code 9. Exhaust. More Info
Fits:
  • Buick:
    • Lucerne
  • Cadillac:
    • DeVille,
    • DTS,
    • Seville
MSRP $322.06
$201.01
MSRP $322.06
$201.01
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
MSRP $222.17
$138.67
MSRP $222.17
$138.67
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
MSRP $218.09
$136.12
MSRP $218.09
$136.12
Engine Camshaft
Part Number: 12612273
Other Names: 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
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
MSRP $601.75
$373.87
MSRP $601.75
$373.87
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
MSRP $147.16
$93.11
MSRP $147.16
$93.11
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
Fits:
  • Cadillac:
    • Escalade,
    • Escalade ESV
  • Chevrolet:
    • Camaro,
    • Corvette,
    • Silverado 1500,
    • Suburban,
    • Tahoe
  • GMC:
    • Sierra 1500,
    • Yukon,
    • Yukon XL
  • 5 more
MSRP $182.44
$113.87
MSRP $182.44
$113.87
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
MSRP $199.39
$124.45
MSRP $199.39
$124.45
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
MSRP $199.39
$124.45
MSRP $199.39
$124.45
Engine Camshaft
Part Number: 12638804
Other Names: Camshaft More Names
Description: Silverado, sierra. Express, savana. 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
MSRP $274.88
$171.56
MSRP $274.88
$171.56
Engine Camshaft
Part Number: 12641987
Positions: Left
Other Names: Camshaft More Names
Description: XTS. With turbocharger. CTS. With vsport. ATS. Left. Exhaust. More Info
Fits:
  • Cadillac:
    • ATS,
    • CTS,
    • XTS
MSRP $150.29
$95.09
MSRP $150.29
$95.09
Engine Camshaft
Part Number: 12666074
Positions: Right
Other Names: Camshaft More Names
Description: Traverse. Exhaust. Enclave. XTS. Right. Without turbocharger. More Info
Fits:
  • Buick:
    • Enclave
  • Cadillac:
    • XTS
  • Chevrolet:
    • Impala,
    • Traverse
MSRP $121.63
$76.96
MSRP $121.63
$76.96
Engine Camshaft
Part Number: 12675774
Other Names: Camshaft More Names
Replaces: 12665273
Description: Equinox, Terrain. Malibu. 1.5l. Cruze. Encore. Exhaust. More Info
Fits:
  • Buick:
    • Encore
  • Chevrolet:
    • Cruze,
    • Equinox,
    • Malibu,
    • Trax
  • GMC:
    • Terrain
  • 1 more
MSRP $105.86
$66.98
MSRP $105.86
$66.98
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
MSRP $113.79
$71.99
MSRP $113.79
$71.99
Engine Camshaft
Part Number: 12688075
Other Names: F (S)Camshaft More Names
Description: Intake. More Info
Fits:
  • Buick:
    • Encore GX
MSRP $118.99
$75.30
MSRP $118.99
$75.30
Engine Camshaft
Part Number: 12689035
Other Names: Camshaft More Names
Replaces: 12625437
Description: Express, savana. 4.8l. Silverado, sierra. 4.8l. Canyon, Colorado. Tahoe, Yukon, Escalade. 4.8l. 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
MSRP $170.34
$107.78
MSRP $170.34
$107.78
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
MSRP $108.26
$68.50
MSRP $108.26
$68.50
Engine Camshaft
Part Number: 55561748
Other Names: Camshaft, F (S)Camshaft More Names
Description: G3. Exhaust. More Info
Fits:
  • Chevrolet:
    • Aveo,
    • Aveo5
  • Pontiac:
    • G3
MSRP $335.29
$209.28
MSRP $335.29
$209.28
Engine Camshaft
Part Number: 5037057AC
Other Names: 05037057ac, Camshaft More Names
Replaces: 5037057AA, 5037057AB
Description: ENGINE More Info
Fits:
  • Dodge:
    • Ram 1500,
    • Viper
MSRP $1,455.00
$950.48
MSRP $1,455.00
$950.48
Engine Camshaft
Part Number: 5038419AB
Other Names: 05038419ab, Camshaft More Names
Notes: 47. More Notes
Fits:
  • Chrysler:
    • 300
  • Dodge:
    • Challenger,
    • Charger,
    • Durango
  • Jeep:
    • Grand Cherokee,
    • Grand Wagoneer,
    • Wrangler
  • 2 more
MSRP $309.00
$203.50
MSRP $309.00
$203.50
Engine Camshaft
Part Number: 5093027AB
Other Names: 05093027ab, Camshaft More Names
Replaces: 5093027AA
Description: .002" O/S Journal. More Info
Fits:
  • Dodge:
    • Ram 1500,
    • Viper
MSRP $1,600.00
$1,045.31
MSRP $1,600.00
$1,045.31
Engine Camshaft
Part Number: 53021892AC
Positions: Right
Other Names: Camshaft More Names
Replaces: 53021892AA, 53021892AB
Description: Right. More Info
Notes: 19. More Notes
Fits:
  • Dodge:
    • Dakota,
    • Durango,
    • Nitro,
    • Ram 1500
  • Jeep:
    • Commander,
    • Grand Cherokee,
    • Liberty
  • Ram:
    • 1500,
    • Dakota
  • 4 more
MSRP $435.00
$287.10
MSRP $435.00
$287.10
Engine Camshaft
Part Number: 53022064BD
Other Names: Camshaft More Names
Notes: 17. More Notes
Fits:
  • Dodge:
    • Challenger
MSRP $394.00
$259.60
MSRP $394.00
$259.60
Engine Camshaft
Part Number: 53022065AB
Other Names: Camshaft More Names
Replaces: 53021731AB, 53021731AD, 53021731AE
Fits:
  • Chrysler:
    • 300,
    • Aspen
  • Dodge:
    • Charger,
    • Durango,
    • Magnum,
    • Ram 1500
  • Jeep:
    • Commander,
    • Grand Cherokee
  • 3 more
MSRP $394.00
$259.60
MSRP $394.00
$259.60

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