GMC 3500 Mud Flaps - Access - Full Width Tow Flap - Black (2020–2027). A tough, full-width towing flap that helps shield your GMC 3500 diesel from gravel and road spray.

Built by Access as the ROCKSTAR Full Width Tow Flap, this assembly pairs a black urethane-coated, rustproof aluminum diamond plate frame with 5/16 in. rubber for dependable coverage. It spans the rear to protect your truck and trailer, yet remains lightweight for easy removal and storage when not in use. A simple, tool-free design with adjustable rubber and an integrated heat shield suits diesel models and changing conditions. Proudly made in America.

Features

• Full-width protection for 2020–2027 GMC 3500 diesel
• 5/16 in. rubber on urethane-coated aluminum frame
• Rustproof materials for all-weather use
• Quick on/off without extra tools or hardware
• Lightweight for easy handling and storage
• Made in the USA

Have questions about fitment, towing setups, or installation? Call our team—we’re here to help and we offer installation and customization at our shops in Austin, Texas and the Los Angeles, California area: 512-982-9393 (TX) or 562-981-6800 (CA).

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov