GMC Sierra 3500 HD Tonneau Cover - Undercover - Elite LX - Brownstone - `15-`19
GMC Sierra 3500 HD Tonneau Cover - Undercover - Elite LX - Brownstone - `15-`19
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GMC Sierra 3500 HD Tonneau Cover - UnderCover Elite LX - Brownstone (2015–2019). A paint-to-match hard tonneau precisely built for Sierra 3500 HD 6 ft 6 in beds, finished in OEM Brownstone GWX (WA105V).
Made from lightweight ABS composite, the Elite LX blends durability with everyday utility. Its premium carpet-lined underside provides a refined interior look, while the full perimeter seal helps protect cargo from the elements. Custom-engineered contours provide a precise fit, and quick-release hardware allows easy removal when full bed space is needed. A removable LED light offers practical illumination for loading after dark.
Features
- Paint-to-match Brownstone GWX (WA105V)
- Fits 2015–2019 Sierra 3500 HD, 6 ft 6 in bed
- Lightweight ABS composite construction
- Premium carpet-lined underside
- Full perimeter seal
- Quick-release, easy removal
- Removable LED bed light
- Custom engineered fit
Have questions or want to confirm bed length and compatibility? Call us at 512-982-9393 (TX) or 562-981-6800 (CA). We offer installation and customization at our Austin, Texas and Los Angeles, California area locations.
Thinking about purchasing multiple items? Contact us for potential shipping discounts. We install on premises at both locations.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Need Assistance?
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Call us at 512-982-9393 (Austin, TX) or
562-981-6800 (Signal Hill, CA)
and get assistance from one of our sales team members!
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