Fits Dual Note Electric Horns; Regular Cab; 8 Foot Bed; Lt. Duty 4WDor Dual Note Electric Horns; Sedan/Quad Cab Short Wheelbase; Lt. Duty 4WDor Dual Note Electric Horns; Regular Cab; 6.5 Foot Bed; Lt. Duty 4WDor Dual Note Electric Horns; Crew Cab; 5'7" Box; Lt. Duty 4WD