GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19

GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19

GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19
Product Information
 price
$1,099.99
$1,319.99 Save: $220.00

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FX11025

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GMC Sierra 3500 HD Folding Bed Cover - Undercover - Flex - Black Textured - `15-`19 free shipping

GMC Sierra 3500 HD Folding Bed Cover — UnderCover Flex, Black Textured, 2015–2019. A tri-fold hard cover that blends locking security with everyday convenience.

Built with FRP composite panels, the Flex sits inside the bed rails for a low profile. Prop rods hold it fully open for hauling; plastic buckles and straps secure a partially open position. Removal takes seconds with no tools. Rubber seals and drain tubes help route water away, and the clamp-on design makes installation simple. Designed for 8 ft beds on 2015–2019 Sierra 3500 HD. Backed by a 3-year warranty.

Features

  • FRP composite panels: light, strong, dent resistant
  • Ultra-low profile inside bed rails
  • Full bed access with built-in prop rods
  • Quick, tool-free removal
  • Weather-resistant seals and drain tubes
  • Clamp-on install; no drilling

Questions or want expert guidance? Call our Austin shop at 512-982-9393 (TX) or our Los Angeles area shop at 562-981-6800 (CA). We offer professional installation and customization at both locations.

Buying multiple items? Contact us for shipping discounts. We install on premises at Austin, TX and Los Angeles, CA.

Disclaimer: Some images in our product listings that are provided by the manufacturer/ supplier are for illustration purposes only and may not be an exact representation of the item. The product listing details are accurate for the item offered. Please refer to the product description for precise specification and as always do not be hesitant to reach out to us with any questions.



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

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Two locations to serve you

AUSTIN, TX

22108 SH 71 W.
Spicewood, TX 78669
512-982-9393
Mon-Fri: 9 AM - 6PM CST
Sat-Sun: Closed

LOS ANGELES, CA

2716 Dawson Ave.
Signal Hill, CA 90755
562-981-6800
Mon-Fri: 9 AM - 6PM PST
Sat-Sun: Closed