This Fits Your 2017 GMC Sierra 2500 HD 6.0L Vortec V8 FLEX A/T RWD Base Extended Cab Pickup Fleetside
Full size assembly image of REAR SUSPENSION. BRAKE COMPONENTS. SUSPENSION COMPONENTS. (1/1)

REAR SUSPENSION. BRAKE COMPONENTS. SUSPENSION COMPONENTS.

1 ton W/DUAL wheels. 1 ton W/O dual wheels. 1 ton W/O dual whls. 1/2 ton. 10. 5" ring gear. 2WD. 3/4 ton. 4WD. 9. 5" gear. Front. Hd. Off road. Standard.