Rugged Liner C8U20HD Under Rail Bedliner | 2020-2024 GM 2500HD/3500HD 8ft Bed w/o Factory Side Storage Boxes

Features:

• Fits 2020-2024 GM 2500HD/3500HD 8ft beds
• Not compatible with factory side storage boxes
• Made from durable high-density polyethylene
• Protects against dents dings and scratches
• Custom molded for a perfect vehicle-specific fit
• Provides front rail and tailgate protection
• Superior skid-resistant floor for added cargo control
• Non-pooling design keeps stored items dry
• Includes 2" x 4" inserts for two-tier stacking
• Thicker than many competing bed liners
• Assembled proudly in Missouri USA
• Backed by a lifetime manufacturer warranty

Keep Your Bed Protected No Matter The Load

If you're putting your truck to work, the Rugged Liner C8U20HD Under Rail Bedliner is the protection your bed deserves. Built for 2020-2024 GM 2500HD and 3500HD trucks with 8-foot beds, this liner delivers unbeatable durability without compromising on fit. Whether you’re hauling tools, lumber, or weekend toys, the thick, skid-resistant surface helps prevent shifting and damage. It’s crafted from high-density polyethylene that’s not only tough but also resistant to dents, dings, and scratches from heavy use. The liner is designed to sit under the rails, keeping the factory lines clean and ready for tonneau cover compatibility. Plus, it includes integrated 2" x 4" slots for two-tier stacking, giving you more storage flexibility in the bed. Made right here in the USA, this bedliner comes backed by a lifetime warranty so you can hit the road with confidence. It’s a simple upgrade that protects your truck and makes every load easier to manage.

Designed To Match Your Bed And Your Demands

The Rugged Liner C8U20HD is more than just a bedliner, it’s a molded fit engineered specifically for your 2020-2024 GM 2500HD or 3500HD with an 8-foot bed and no factory side storage boxes. Its custom-molded shape follows the bed’s dimensions precisely, ensuring it stays secure while offering full protection for the floor, front rail, and tailgate. Constructed from thick, impact-resistant polyethylene, the liner helps absorb the abuse from cargo loading and unloading. The textured surface provides added grip to reduce load shifting, while the non-pooling floor design keeps water and debris from gathering underneath gear. Installation is straightforward, with no guesswork thanks to vehicle-specific instructions. The integrated stacking slots allow for organized two-tier storage using standard lumber, a feature that’s especially handy for contractors or frequent haulers. Proudly assembled in Missouri and tested against industry standards, this liner is built to last and perform in the real world.

Fits: 2020, 2021, 2022, 2023, 2024 GM 2500 HD/3500 HD 8ft Bed w/o Factory Side Storage Boxes

Notes:

• Fits 2020-2024 GM 2500HD/3500HD with 8ft bed
• Not compatible with factory side storage boxes
• Designed for under rail bed configurations
• Custom molded for a precise vehicle-specific fit
• Skid-resistant surface helps reduce cargo movement
• Includes 2" x 4" inserts for tiered stacking
• Provides full floor, front rail, and tailgate protection
• Professional installation recommended for best fit
• Liner must be secured before each trip
• May become slippery when wet (rain, mud, ice, etc.)
• Do not transport pets directly on the liner surface
• Static discharge can pose a fire or explosion hazard