Get 5% OFF with coupon code MYTONNEAU2020

Collection: GMC


Welcome to myTonneau America's Best Range of US-Made Premium Tonneau Covers and Toolboxes for your GMC Pickup Truck.

At myTonneau we carefully source only 100% US made premium quality tonneau covers. If it's not good enough for us, it's not good enough for you! Enjoy viewing our range from the ultimate premium GMC covers collection today!

87 products
  • TruXedo Sentry CT 1572016 Hard Rolling Truck Bed Tonneau Cover | Fits 14-18, 2019 Limited/Legacy GMC Sierra & Chevrolet Silverado 1500, 2500, 3500 6'6" bed
    TruXedo Sentry CT 1572016 Hard Rolling Truck Bed Tonneau Cover | Fits 14-18, 2019 Limited/Legacy GMC Sierra & Chevrolet Silverado 1500, 2500, 3500 6'6
    Sale price
    $959.00
    Regular price
    $1,759.29 You save 45%
    Unit price
    per 
  • Undercover UX12003 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 6' Bed
    Undercover UX12003 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 6' Bed
    Sale price
    $989.00
    Regular price
    $1,199.00 You save 18%
    Unit price
    per 
  • Undercover UX12002 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 5' Bed
    Undercover UX12002 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 5' Bed
    Sale price
    $989.00
    Regular price
    $1,199.00 You save 18%
    Unit price
    per 
  • Undercover AX12003 ArmorFlex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 6' Bed
    Undercover AX12003 ArmorFlex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 6' Bed
    Sale price
    $1,029.00
    Regular price
    $1,299.00 You save 21%
    Unit price
    per 
  • Undercover AX12002 ArmorFlex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 5' Bed
    Undercover AX12002 ArmorFlex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 5' Bed
    Sale price
    $1,029.00
    Regular price
    $1,299.00 You save 21%
    Unit price
    per 
  • Undercover FX11003 Flex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 6' Bed
    Undercover FX11003 Flex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 6' Bed
    Sale price
    $879.00
    Regular price
    $1,099.00 You save 20%
    Unit price
    per 
  • Undercover FX11002 Flex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 5' Bed
    Undercover FX11002 Flex Hard Folding Truck Bed Tonneau Cover | Fits 15-20 Chevrolet Colorado/GMC Canyon 5' Bed
    Sale price
    $879.00
    Regular price
    $1,099.00 You save 20%
    Unit price
    per 
  • Undercover AX12022 ArmorFlex Hard Folding Truck Bed Tonneau Cover | Fits 2019 GMC Sierra 1500 5.8 ft Bed (New Body Style) Crew/Ext w/ Multipro TG-Black Textured
    Undercover AX12022 ArmorFlex Hard Folding Truck Bed Tonneau Cover | Fits 2019 GMC Sierra 1500 5.8 ft Bed (New Body Style) Crew/Ext w/ Multipro TG-Black Textured
    Sale price
    $1,029.00
    Regular price
    $1,299.00 You save 21%
    Unit price
    per 
  • Undercover UX12022 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019 GMC Sierra 1500 5.8 ft Bed (New Body Style) Crew/Ext w/ Multipro TG-Matte Black Finish
    Undercover UX12022 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019 GMC Sierra 1500 5.8 ft Bed (New Body Style) Crew/Ext w/ Multipro TG-Matte Black Finish
    Sale price
    $989.00
    Regular price
    $1,199.00 You save 18%
    Unit price
    per 
  • Undercover FX11024 Flex Hard Folding Truck Bed Tonneau Cover | Fits 2020 Chevrolet Silverado/GMC Sierra HD (2500/3500) 6'9" Bed
    Undercover FX11024 Flex Hard Folding Truck Bed Tonneau Cover | Fits 2020 Chevrolet Silverado/GMC Sierra HD (2500/3500) 6'9
    Sale price
    $879.00
    Regular price
    $1,099.00 You save 20%
    Unit price
    per 
  • Undercover FX11021 Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019-20 New Body Style Chevrolet Silverado/GMC Sierra 1500 6'6" Bed
    Undercover FX11021 Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019-20 New Body Style Chevrolet Silverado/GMC Sierra 1500 6'6
    Sale price
    $879.00
    Regular price
    $1,099.00 You save 20%
    Unit price
    per 
  • Undercover FX11020 Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019-20 New Body Style Chevrolet Silverado/GMC Sierra 1500 (does not fit Carbon Bed) 5'8" Bed
    Sale price
    $879.00
    Regular price
    $1,099.00 You save 20%
    Unit price
    per 
  • Undercover FX11020 Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019-20 New Body Style Chevrolet Silverado/GMC Sierra 1500 (does not fit Carbon Bed) 5'8" Bed
    Undercover FX11020 Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019-20 New Body Style Chevrolet Silverado/GMC Sierra 1500 (does not fit Carbon Bed) 5'8
    Sale price
    $879.00
    Regular price
    $1,099.00 You save 20%
    Unit price
    per 
  • Undercover FX11019 Flex Hard Folding Truck Bed Tonneau Cover | Fits 14-18, 19 Ltd/Legacy Chevrolet Silverado/GMC Sierra Legacy/Limited (Only 1500,2500,3500) 6'6" Bed
    Undercover FX11019 Flex Hard Folding Truck Bed Tonneau Cover | Fits 14-18, 19 Ltd/Legacy Chevrolet Silverado/GMC Sierra Legacy/Limited (Only 1500,2500,3500) 6'6
    Sale price
    $879.00
    Regular price
    $1,099.00 You save 20%
    Unit price
    per 
  • Undercover FX11018 Flex Hard Folding Truck Bed Tonneau Cover | Fits 14-18, 19 Ltd/Legacy Chevrolet Silverado/GMC Sierra Legacy/Limited/Ext (Only 1500,2500,3500) 5'8" Bed
    Undercover FX11018 Flex Hard Folding Truck Bed Tonneau Cover | Fits 14-18, 19 Ltd/Legacy Chevrolet Silverado/GMC Sierra Legacy/Limited/Ext (Only 1500,2500,3500) 5'8
    Sale price
    $879.00
    Regular price
    $1,099.00 You save 20%
    Unit price
    per 
  • Undercover UX12024 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 2020 Chevrolet Silverado/GMC Sierra HD (2500/3500) 6'9" Bed
    Undercover UX12024 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 2020 Chevrolet Silverado/GMC Sierra HD (2500/3500) 6'9
    Sale price
    $989.00
    Regular price
    $1,199.00 You save 18%
    Unit price
    per 
  • Undercover UX12021 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019-20 New Body Style Chevrolet Silverado/GMC Sierra 1500 6'6" Bed
    Undercover UX12021 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019-20 New Body Style Chevrolet Silverado/GMC Sierra 1500 6'6
    Sale price
    $989.00
    Regular price
    $1,199.00 You save 18%
    Unit price
    per 
  • Undercover UX12020 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019-20 New Body Style Chevrolet Silverado/GMC Sierra 1500 (does not fit Carbon Bed) 5'8" Bed
    Undercover UX12020 Ultra Flex Hard Folding Truck Bed Tonneau Cover | Fits 2019-20 New Body Style Chevrolet Silverado/GMC Sierra 1500 (does not fit Carbon Bed) 5'8
    Sale price
    $989.00
    Regular price
    $1,199.00 You save 18%
    Unit price
    per