This Fits Your 2012 GMC Sierra 2500 HD 6.6L Duramax V8 DIESEL A/T 4WD SLT Crew Cab Pickup Fleetside
Full size assembly image of Rear suspension. Suspension components. (1/1)

Rear suspension. Suspension components.

12MM. 14MM. 2021-23. Front. Inner. Outer.