This Fits Your 2012 GMC Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T RWD WT Standard Cab Pickup Fleetside
Full size assembly image of DRIVE AXLES. AXLE SHAFTS & JOINTS. DIFFERENTIAL. FRONT AXLE. PROPELLER SHAFT. (1/1)

DRIVE AXLES. AXLE SHAFTS & JOINTS. DIFFERENTIAL. FRONT AXLE. PROPELLER SHAFT.

PINION GEAR; Tracker. Tracker; 1.6L. Tracker; 2.0L; Auto Trans. Tracker; 2.0L; Manual Trans. Tracker; 2.5L. Tracker; Auto Trans; 2.0L. Tracker; Auto Trans; 2.5L. Tracker; Inner; Left. Tracker; Inner; Right. Tracker; Left. Tracker; Manual Trans. Tracker; Outer. Tracker; Right. Tracker; w/ABS. Tracker; w/o ABS.