Fitment: This passenger side rocker panel is compatible with 1999-2006 Chevy Silverado GMC Sierra 4 Door Crew Cab and 2007 Chevrolet GMC Pickup Classic 4 Door Crew Cab. Please check your vehicle's model and year before purchasing. Only fit for 1st-generation Silverado(GMT800), 2nd-generation Sierra. Not Fit For extended cab/double cab Feature: Made of high quality steel, high strength and durable, protect vehicle, have certain anti-collision and anti-rubbing effect. Condition: Material:Steel; Color:Black; Location: Right Side; Surface Finish:Electrophoresis. Package Include: 1 pc of rocker panel. No instruction. Installation: Easy to install. Weld on directly. Professional installation is highly recommended. Fitment: This passenger side rocker panel is compatible with 1999-2006 Chevy Silverado GMC Sierra 4 Door Crew Cab and 2007 Chevrolet GMC Pickup Classic 4 Door Crew Cab. Please check your vehicle's model and year before purchasing. Only fit for 1st-generation Silverado(GMT800), 2nd-generation Sierra. Not Fit For extended cab/double cab Feature: Made of high quality steel, high strength and durable, protect vehicle, have certain anti-collision and anti-rubbing effect. Condition: Material:Steel; Color:Black; Location: Right Side; Surface Finish:Electrophoresis. Package Include: 1 pc of rocker panel. No instruction. Installation: Easy to install. Weld on directly. Professional installation is highly recommended.