This Fits Your 2018 GMC Sierra 2500 HD SLE Extended Cab Pickup Fleetside 6.0L Vortec V8 A/T RWD
Full size assembly image of INSTRUMENT PANEL. DUCTS. (1/1)

INSTRUMENT PANEL. DUCTS.

double & crew cab w/center console. double & crew cab w/o center console. left side. outer. regular cab. right side.