2020-2026 GMC Sierra 3500 HD Floor Liners|Double Cab Models (Does NOT provide over-the-hump coverage. Fits CARPET models)|SMARTLINER

Keep your Sierra 3500 HD’s cabin looking factory-fresh with the SmartCoverage™ Custom Fit Floor Liners for the 2020-2026 GMC Sierra 3500 HD (Double Cab Models (Does NOT provide over-the-hump coverage. Fits CARPET models)). Instead of a one-size-fits-all mat that shifts and gaps, every edge of this floor liners is laser-measured against your Sierra 3500 HD’s actual floor contours for a true, gap-free fit.

Key Features

• Wall-to-Wall Coverage — a true custom pattern for your cabin, built to match the factory layout rather than approximate it
• Handles the Elements — waterproof, stain-resistant TPE shrugs off snowmelt, sand, and spills that would ruin factory carpet or trim
• Effortless Cleanup — lift it out and rinse with a hose for a like-new finish in minutes
• Clean-Air Materials — free of BPA and the strong “new mat” smell some liners leave behind
• No-Slip Surface — a textured finish that resists shifting under hard braking or turns
• Made to Last — Limited Lifetime Warranty coverage, no fine print surprises

Every dimension here traces back to the Sierra 3500 HD’s actual floor layout. Whether you’re working with the Gasoline version and the Double Cab configuration, this set covers First Row Liners, Second Row Liner, and Second Row Full Coverage Liner. Comes in Black to blend right in.