GMC Sierra 3500 Tonneau Cover – Access LOMAX Tri-Fold, Diamond Plate (’15–’19). This hard, low-profile tri-fold cover delivers durable protection and a clean, flush fit for 6 ft 6 in beds.

Built with lightweight, rigid aluminum diamond plate in a black finish, the LOMAX folds quickly for full bed access and removes in minutes when you need the entire cargo box. Automatic ten-point locking with dual releases helps safeguard gear, while Tight Bite clamps and a split rail design keep the cover planted. Weathertight seals help keep the elements out, and integrated storage clips secure the panels when folded. Built in the USA.

Features

• Hard tri-fold aluminum diamond plate, black finish
• Automatic ten-point locking with dual releases
• Tight Bite clamps and split rail mounting
• Weathertight perimeter seals
• Integrated storage clips; easy on/off
• Fits 2015–2019 GMC Sierra 3500, 6 ft 6 in bed

Have questions about fitment or install? Call us and talk to a specialist, or visit our Austin, Texas or Los Angeles, California area locations for professional installation and customization: TX 512-982-9393, CA 562-981-6800.

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

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