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Find Bed Covers & Tonneau Covers for your Sierra 3500

Extang Endure ALX Hard Folding Tonneau Cover (15-19 Sierra 3500 HD w/ 6.50-Foot Standard Box)Find parts that fit my vehicle

Item SHG29788
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-10% $1,299.99 Was $1,449.99

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features & Specs

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      • Heavy-Duty Lightweight Weather Resistance
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      • Tough And Durable
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      • Panels Feature UV-Resistant Surface To Protect Against Fading In The Sun, And Are Built Tough To Resist Dents, Scratches, And Abrasions
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      • Easy To Use
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      • Secure Rotary Release Latching System Allows The Cover To Be Opened With One Hand
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      • Seamless Appearance
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      • Matte Black Textured Finish With Modern, Low-Profile Design That Sits Flush With Bed Rails And Makes The Cover Easy To Clean And Maintain
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      • Within Reach
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      • Offers Two-Thirds Bed Access With Integrated Buckle Straps Or Full Bed Access With Integrated Prop Rods
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      • Durable Yet Lightweight Aircraft-Grade Aluminum Frame With Stealthy EnduraCoat Textured-Black Finish
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      • Rugged Half-Inch Thick EnduraShield TPO Panels Resist Impacts, Abrasions, And UV Exposure
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      • Subtle Low-Profile Design Sits Flush With Bed Rails
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      • Auto-Latching Secure Rotary Release Latching System Offers Effortless Operation
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      • Up To 500-Pound Weight Capacity Evenly Distributed
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      • Extruded Side Weather Seals Offer Exceptional Weather Resistance
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      • Simple Clamp-On Installation
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      • Limited Five-Year Warranty
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      • Proudly Assembled In Michigan
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      • Fits 15-19 Sierra 3500 HD w/ 6.50-Foot Standard Box
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      Description

      Premium Bed Protection. The Extang Endure ALX Hard Folding Tonneau Cover delivers robust protection for your truck bed with a sleek, flush-mounted design. It provides versatile two-thirds or full bed access while safeguarding cargo from weather and wear, making it an essential upgrade for both daily utility and long-term durability.

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      Construction and Appearance. Featuring four patented EnduraShield TPO-coated panels supported by a heavy-duty aircraft-grade aluminum frame, the cover resists dents, abrasions, and UV damage. The matte black textured EnduraCoat finish and seamless low-profile design ensure a durable yet refined aesthetic that fits flush with factory bed rails.

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      Installation. Installation is straightforward and requires only conventional hand tools with no drilling or modifications necessary. The included clamp system allows for quick, hassle-free mounting in under one hour.

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      Warranty. This tonneau cover is backed by a limited five-year warranty covering defective materials and workmanship.

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      Application. Designed to fit 15-19 Sierra 3500 HD models equipped with a 6.50-foot standard box, ensuring precise fit and function for this specific vehicle setup.

      Extang 80450

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

      4.6

      Reviews of Extang Exterior Products (423)

      Questions & Answers

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      Will It Fit My Sierra 3500

      • 6.0L V8 - 15, 16, 17, 18, 19
      • 6.6L V8 Duramax - 15, 16, 17, 18, 19

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