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Extang Solid Fold 2.0 Toolbox Tonneau Cover (20-24 Sierra 2500 HD w/o Factory Side Storage)

Item HG1121
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FREE Shipping + $99.00 Oversized Item Fee Market Price $1,322.99 You Save 13% ($173.00) Up to 10% off for Military & First Responders! See Details

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      Video Review & Installation

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

      • To Learn How to Measure Your Bed Click Here
      • Hard Panel Tri-Fold Tonneau Cover
      • Accommodates 18 to 20-inch Standard Toolboxes
      • Protects Your Cargo and Bed from the Elements
      • Textured Black Powder Coated Aluminum Frame
      • Polypropylene Core Panels with EnduraShield Skin
      • Simple Clamp On Installation - No Drilling Required
      • Fits 2020-2024 GMC Sierra 2500 HD without Factory Side Storage


      Protection and Style. An Extang Solid Fold 2.0 Toolbox Tonneau Cover will allow you to discreetly hide cargo in the bed of your 2020-2024 GMC Sierra 2500 without losing the use of your Toolbox. This Tonneau Cover was specifically designed for use with an 18 to 20-inch standard toolbox. With a Tri-Fold design, this Tonneau Cover can be folded up to access your bed, or when hauling larger items. As an added bonus, you may even see up to a 10% increase in fuel mileage because of its aerodynamic design.

      Rugged Construction. The Extang Solid Fold 2.0 Toolbox Tonneau Cover is assembled with an aluminum frame for superior strength and light weight. The frame and hinges are powder coated in a matte black finish for extra wear resistance and protection. The lightweight, 1-inch thick panels are manufactured with polypropylene cores that are completed with a EnduraShield skin for the ultimate in dent and UV resistance.

      Clamp On Installation. This Solid Fold 2.0 Toolbox Tonneau Cover arrives fully assembled, making for an easy install with no drilling required. Designed to clamp on to your trucks bed rails, installation can be completed in under 20 minutes with just basic hand tools.

      Application. This Extang Solid Fold 2.0 Toolbox Tonneau Cover is designed to fit 2020-2024 GMC Sierra 2500 HD models with a standard or long box without the factory side storage option.

      Technical Note. Not sure of your bed size? Click here for an instructional video explaining how to measure your bed length.


      • 2020 GMC Sierra 2500
      • 2021 GMC Sierra 2500
      • 2022 GMC Sierra 2500
      • 2023 GMC Sierra 2500
      • 2024 GMC Sierra 2500

      Extang 84653


      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • Tonneau Cover

      Customer Reviews (1)

        Brand Image

        Reviews of Extang Exterior products have an average rating of 4.5 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Sierra 2500

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