Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

2012 GMC Sierra 2500 HD Alternator

What year is your
Free Same Day Shipping

2012 GMC Sierra 2500 HD Alternator

Filter Results
  • Notify When Available

    VIDEO

    Alternator

    Replaces 2012 GMC Sierra 2500 HD V8 6.0L Alternator TRQ ALA94479

    Brand: TRQ - ALA94479

    $199.95
    Save 28%
    List $277.95 Save $78.00

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

    Replaces 2012 GMC Sierra 2500 HD V8 6.0L Alternator TRQ ALA94479

    VIDEO

    Alternator
    Brand: TRQ - ALA94479

    $199.95
    Save 28%
    List $277.95 Save $78.00

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

  • Notify When Available
    Alternator

    Replaces 2012 GMC Sierra 2500 HD with RPO Code K76 (61 Amp Alternator) or KG7 (125 Amp Alternator) Alternator TRQ ALA94458

    1 reviews
    Brand: TRQ - ALA94458
    $204.95
    Save 29%
    List $287.95 Save $83.00

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

    Replaces 2012 GMC Sierra 2500 HD with RPO Code K76 (61 Amp Alternator) or KG7 (125 Amp Alternator) Alternator TRQ ALA94458

    Alternator
    1 reviews
    Brand: TRQ - ALA94458
    $204.95
    Save 29%
    List $287.95 Save $83.00

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

  • Notify When Available
    Alternator - Tonsa

    Replaces 2012 GMC Sierra 2500 HD V8 6.0L w/ Remy Alt Alternator ACDelco 335-1196

    Brand: ACDelco - 335-1196

    $234.95
    Save 48%
    List $452.95 Save $218.00

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

    Replaces 2012 GMC Sierra 2500 HD V8 6.0L w/ Remy Alt Alternator ACDelco 335-1196

    Alternator - Tonsa
    Brand: ACDelco - 335-1196

    $234.95
    Save 48%
    List $452.95 Save $218.00

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

    Guaranteed to Fit 2012 GMC Sierra 2500 HD

Close



Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

Go To Top
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.