Product Adaptation: Compatible with 2003 – 2007 Chevy Silverado 1500 & 1500HD, Single-Cab, Quad-Cab, Crew-Cab, Work Truck, Base, WT; 2003 – 2007 Chevy Silverado 2500 & 2500HD, Single-Cab, Quad-Cab, Crew-Cab, Work Truck, Base, WT; 2003 – 2007 Chevy Silverado 3500, Single-Cab, Quad-Cab, Crew-Cab, Work Truck, Base, WT.