2021 GMC Engines
2021 GMC Engines
2021 GMC Engines are precision-built to meet GM's exact specifications for reliability and performance. Whether you're replacing a worn engine or upgrading, these OEM GM engines ensure a factory-perfect fit and consistent power output. Trust in GM engineering and avoid the risks of aftermarket compatibility issues. Find authentic GM powertrains and more at GMPartsClub.com.
6.6L 8-Cylinder Engine Assembly
GM
12695793
Silverado, sierra. Excl.Engine Electrical,Manifolds. Express, savana. This GM Genuine Part is designed, engineered, and tested to...
$20,968.31
MSRP $22,188.69
Save $1,220.38
5.5% Off 
Drive Unit
GM
24062829
Hummer EV Pickup. Rear (primary). With torque vectoring. Hummer EV SUV. Rear drive unit. 2 motor.
$4,754.55
MSRP $5,660.18
Save $905.63
16% Off 
4.3L 6-Cylinder Engine Assembly
GM
12363730
Astro, Safari. Includes pre-matched components for convenience
This GM Genuine Part is designed, engineered, and tested to rigorous...
$4,250.53
MSRP $4,444.99
Save $194.46
4.4% Off 
6.0L 8-Cylinder Engine Assembly
GM
12729512
Silverado, sierra. Eng. code lc8. Express, savana. 6.0l. With cng. All. Commercial cutaway.
$6,452.12
MSRP $6,827.64
Save $375.52
5.5% Off Drive Unit
GM
24062828
Rear drive unit, 1 motor, with locking diff. Hummer EV Pickup. Rear (primary). Without torque vectoring. With locking differential. All....
$2,999.58
MSRP $3,528.92
Save $529.34
15% Off 
Starter
GM
12491872
4.8, 5.3, 6.0 & 8.1L, 6.0L. Aztek, Rendezvous. All. Impala, Monte Carlo.
Engine Complete Assembly
GM
89018178
All models. 5.3l. Engine vin code t. Exc.High Output Engine. Without high output.
5.3L 8-Cylinder Engine Assembly
GM
12700202
Tahoe. 5.3l. Suburban. 5.3l. Yukon. 5.3l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
No results found. Here are some helpful search tips:
- Search by a part name. Example: water pump.
- Be less specific. Example: brake instead of ceramic brake.
- Remove information such as make, year or model.
- Can't find the part you are looking for? Contact us and we'll find it for you!