# Access 12439Z - Original Soft Roll-Up Tonneau Cover The Access Original Soft Roll-Up Tonneau Covers is tested against all the possible constraints. What you need is what you get in this tonneau roll up, and you'll love it just for that. The tonneau itself is UV resistant and made of double reinforced commercial grade vinyl fabric tarp that gives the smooth feel and reliable protection a high-end product should possess. Rolling up the tarp means there are no pre-determined stages when it comes to revealing the truck bed. No hinges or cracks to get in the way, and none to accumulate debris within. The clamps inside the bed rails are composed of sturdy aircraft grade aluminum metal. Made with specially cut teeth that help maintain grip in your truck bed giving these clamps exceptional strength and unsurpassed quality! ### Specs - Tonneau Type: Roll-Up - Cover Type: Vinyl - Toolbox Compatible: Yes - Color: Black - Security: Locks with Tailgate - Material: Soft - Full Bed Access: Yes Since 1981, Agri-Cover, Inc. has itself to providing top-of-the-line service to customers by producing exceptional quality products. Agri-Cover products are an exceptional balance of form, function, design, and innovation. Including renowned series' such as ACCESS Roll-Up Covers, ADARAC Truck Bed Racks, and the SNOWSPORT Utility Plows, Agri-Cover continues to be a leading player in the aftermarket industry. Agri-Cover takes pride in being environmentally friendly and responsible by implementing eco-friendly engineering and manufacturing policies. These changes lead to the creation of a safe environment. Agri-Cover believes that its sustainability measures will result in positive outcomes for the planet, company, and all Agri-Cover customers. California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information. Brand: Access Part Number: 12439Z UPC: 810038760025 ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2020 CHEVROLET SILVERADO 2500 HD CUSTOM | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 CHEVROLET SILVERADO 2500 HD CUSTOM | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 CHEVROLET SILVERADO 2500 HD CUSTOM | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 CHEVROLET SILVERADO 2500 HD CUSTOM | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 CHEVROLET SILVERADO 2500 HD CUSTOM | Standard Side Bed | 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 CHEVROLET SILVERADO 2500 HD HIGH COUNTRY | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 CHEVROLET SILVERADO 2500 HD HIGH COUNTRY | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 CHEVROLET SILVERADO 2500 HD HIGH COUNTRY | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 CHEVROLET SILVERADO 2500 HD HIGH COUNTRY | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 CHEVROLET SILVERADO 2500 HD HIGH COUNTRY | Standard Side Bed | 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 CHEVROLET SILVERADO 2500 HD LT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 CHEVROLET SILVERADO 2500 HD LT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 CHEVROLET SILVERADO 2500 HD LT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 CHEVROLET SILVERADO 2500 HD LT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 CHEVROLET SILVERADO 2500 HD LT | Standard Side Bed | 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 CHEVROLET SILVERADO 2500 HD LTZ | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 CHEVROLET SILVERADO 2500 HD LTZ | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 CHEVROLET SILVERADO 2500 HD LTZ | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 CHEVROLET SILVERADO 2500 HD LTZ | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 CHEVROLET SILVERADO 2500 HD LTZ | Standard Side Bed | 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 CHEVROLET SILVERADO 2500 HD WT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 CHEVROLET SILVERADO 2500 HD WT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 CHEVROLET SILVERADO 2500 HD WT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 CHEVROLET SILVERADO 2500 HD WT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 CHEVROLET SILVERADO 2500 HD WT | Standard Side Bed | 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 CHEVROLET SILVERADO 3500 HD HIGH COUNTRY | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 CHEVROLET SILVERADO 3500 HD HIGH COUNTRY | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 CHEVROLET SILVERADO 3500 HD HIGH COUNTRY | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 CHEVROLET SILVERADO 3500 HD HIGH COUNTRY | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 CHEVROLET SILVERADO 3500 HD HIGH COUNTRY | Standard Side Bed | 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 CHEVROLET SILVERADO 3500 HD LT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 CHEVROLET SILVERADO 3500 HD LT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 CHEVROLET SILVERADO 3500 HD LT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 CHEVROLET SILVERADO 3500 HD LT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 CHEVROLET SILVERADO 3500 HD LT | Standard Side Bed | 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 CHEVROLET SILVERADO 3500 HD LTZ | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 CHEVROLET SILVERADO 3500 HD LTZ | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 CHEVROLET SILVERADO 3500 HD LTZ | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 CHEVROLET SILVERADO 3500 HD LTZ | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 CHEVROLET SILVERADO 3500 HD LTZ | Standard Side Bed | 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 CHEVROLET SILVERADO 3500 HD WT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 CHEVROLET SILVERADO 3500 HD WT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 CHEVROLET SILVERADO 3500 HD WT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 CHEVROLET SILVERADO 3500 HD WT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 CHEVROLET SILVERADO 3500 HD WT | Standard Side Bed | 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 2500 HD AT4 | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 2500 HD AT4 | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 2500 HD AT4 | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 2500 HD AT4 | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 2500 HD AT4 | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 2500 HD BASE | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 2500 HD BASE | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 2500 HD DENALI ULTIMATE | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 2500 HD DENALI | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 2500 HD DENALI | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 2500 HD DENALI | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 2500 HD DENALI | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 2500 HD DENALI | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 2500 HD PRO | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 2500 HD PRO | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 2500 HD PRO | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 2500 HD SLE | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 2500 HD SLE | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 2500 HD SLE | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 2500 HD SLE | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 2500 HD SLE | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 2500 HD SLT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 2500 HD SLT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 2500 HD SLT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 2500 HD SLT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 2500 HD SLT | Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 3500 HD AT4 | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 3500 HD AT4 | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 3500 HD AT4 | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 3500 HD AT4 | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 3500 HD AT4 | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 3500 HD BASE | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 3500 HD BASE | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 3500 HD DENALI ULTIMATE | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 3500 HD DENALI | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 3500 HD DENALI | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 3500 HD DENALI | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 3500 HD DENALI | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 3500 HD DENALI | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 3500 HD PRO | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 3500 HD PRO | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 3500 HD PRO | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 3500 HD SLE | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 3500 HD SLE | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 3500 HD SLE | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 3500 HD SLE | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 3500 HD SLE | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2020 GMC SIERRA 3500 HD SLT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2021 GMC SIERRA 3500 HD SLT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2022 GMC SIERRA 3500 HD SLT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2023 GMC SIERRA 3500 HD SLT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed 2024 GMC SIERRA 3500 HD SLT | Dually Bed, Standard Side Bed | 98.2 in.(249.4 mm)/8 ft. 2.2 in. Bed, 98.2 in.(249.5 mm)/8 ft. 2.2 in. Bed ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and fitment notes using the Vehicle Fitment Table before purchase. **What part number is this?** The listed part number is 12439Z. **Is this product designed for direct replacement?** Please compare the listed applications and your original part before ordering. **Should I confirm fitment before ordering?** Yes. Always verify your vehicle details and original part before ordering. ### Common Searches - 12439Z fitment - Access Tonneau Cover - CHEVROLET SILVERADO 2500 HD Tonneau Cover ## Details - **Price:** 1104.53 CAD - **Vendor:** Access - **Type:** Tonneau Cover - **Tags:** 12439Z, Access, CHEVROLET SILVERADO 2500 HD, CHEVROLET SILVERADO 3500 HD, GMC SIERRA 2500 HD, GMC SIERRA 3500 HD, Tonneau Cover ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1104.53 CAD | In stock | ## Images - Access 12439Z - Original Soft Roll-Up Tonneau Cover --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/access-12439z-original-soft-roll-up-tonneau-cover) > Updated: 2026-10-21