Select year, make and model. You can also add your VIN number if you have it handy.
Welcome back, please login.
Password forgotten? Click here.
Save your vehicles, track your orders and receive special offers & coupons.
125 amp alternator for the Silverado/Sierra HD 2500/3500 with the Duramax diesel engine, 2nd and 3rd generations, with engine codes LMM or LML. See below for specific model year fitment.