Buy 2012 Gmc Sierra 2500 HD 6.0L Vortec V8 FLEX A/T RWD SLE Extended Cab Pickup Fleetside Alternator Battery, Remanufactured - OEM Gmc Part # 10463604

Alternator.
105 Amp. Alternator. General Motors Services The Alternator As A Remanufactured Unit Only and Does Not Service Components Separate. Listing is for remanufactured part. Contact dealer for core exchange information.

Alternator

Fits Cavalier, Sunfire

2.2 LITER, W/O DOHC. Cavalier, Sunfire; 2.2L.
Alternator - Repair or Replace
Your alternator replenishes your battery when your car is running. If you have a battery light, low charge warning, or your recently replaced battery already needs a jump, the alternator in your 2012 GMC Sierra 2500 HD may need to be repaired or replaced.