Engine Parts
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Shop OEM GM Engine Parts
OEM GM Engine Parts are essential to keeping your vehicle running at its best. At GMPartsClub, we provide a complete selection of Genuine GM and OEM-quality parts that match the fit, form, and performance of the originals. Whether you're maintaining a Chevrolet, GMC, Buick, or Cadillac, you’ll find exactly what you need. Our parts are backed by factory standards and fast nationwide shipping to get your vehicle back on the road quickly and reliably. Avoid risky aftermarket options—choose OEM parts from GMPartsClub to preserve performance, safety, and value. Browse our inventory of Shop OEM GM engine parts and order with confidence today.
Camshaft Position Sensor Wire
GM
12663001
6.2L without supercharger. auto trans. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$49.36
MSRP $75.31
Save $25.95
34.5% Off 
Engine Camshaft Position Sensor Wiring Harness
GM
12607409
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$96.84
MSRP $171.40
Save $74.56
43.5% Off 
Piston Oil Nozzle Oil Control Solenoid Valve
GM
55491643
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$26.00
MSRP $38.51
Save $12.51
32.5% Off 
Rocker Arm Cover
GM
12637686
CTS-v. Right. With supercharged. Corvette. Camaro. With supercharger. Left. Wagon, 6.2L, engine components. This GM Genuine Part is...
$199.07
MSRP $311.83
Save $112.76
36.2% Off 
Rocker Arm Cover
GM
12564565
All. 2nd design. 6.5L turbo diesel. Express, savana. Right bank. All models. 6.5l diesel. All models. 6.2l diesel. G10-30 vans. 6.2l,...
$148.44
MSRP $230.46
Save $82.02
35.6% Off 
Rocker Arm Cover
GM
93441317
S-series. All models. Right. Express, savana. Left bank. 4.3L, 6 cylinder. 4.3L gas. 2003-14. This GM Genuine Part is designed,...
$82.15
MSRP $126.43
Save $44.28
35% Off 
Passenger Side Rocker Arm Cover
GM
12677067
All. Right. 2017-19. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$125.76
MSRP $195.24
Save $69.48
35.6% Off 
Rocker Arm Cover
GM
12637688
CTS-v. Left. With supercharged. Corvette. Camaro. With supercharger. Right. Coupe, 6.2L, engine components. This GM Genuine Part is...
$199.07
MSRP $311.83
Save $112.76
36.2% Off 
Driver Side Rocker Arm Cover
GM
12642769
Silverado, sierra. Left. 2015-16, upper. 6.6L. upper. This GM Genuine Part is designed, engineered, and tested to rigorous standards and...
$105.24
MSRP $163.38
Save $58.14
35.6% Off 
Rocker Arm Cover
GM
12555270
All models. Left bank. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$86.30
MSRP $132.81
Save $46.51
35% Off 
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