2020-2026 GMC Sierra 3500 HD Floor Liners|Double Cab Models (Provides over-the-hump coverage. Fits VINYL models)|SMARTLINER

SmartCoverage™ Custom Fit Floor Liners for the 2020-2026 GMC Sierra 3500 HD (Double Cab Models (Provides over-the-hump coverage. Fits VINYL models)) is purpose-built, not trimmed down from a universal mat. Every contour is laser-measured against your Sierra 3500 HD’s own floor, so the fit is exact — right down to factory mounting points — and the waterproof, stain-resistant TPE construction stands up to whatever the cabin sees next.

Key Features

• Exact-Fit Engineering — every edge is measured against your cabin’s real dimensions, so there are no awkward gaps or overlaps
• Effortless Cleanup — lift it out and rinse with a hose for a like-new finish in minutes
• Weatherproof by Design — waterproof, stain-resistant TPE resists staining and won’t break down from repeated exposure to moisture and road salt
• Non-Toxic Construction — formulated to be safe around kids and pets, with no lingering odor
• Stays Put — textured, non-slip surface keeps contents from sliding around
• Confidence Built In — a Limited Lifetime Warranty stands behind every set

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 Over the Hump Liner, Second Row Liner, and Second Row Full Coverage Liner. Comes in Black to blend right in.