Looking for aftermarket parts to modify or upgrade your GMC Sierra 3500 HD with bed racks? At Tunersports.com we carry a huge selection of the top name brand performance bed rack parts and accessories for your Sierra 3500 HD.
Whether you have a 2007 or 2024 GMC Sierra 3500 HD in AT4 to WT trim we have you covered. We have 27 bed racks available to mod your Sierra 3500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 30119LPWOur new LOW PROFILE DRILL Hardware Kit is available for select late model fullsize trucks. These require you to drill two holes through the top of the bed rail for installation. If you must have the Toolbox sitting at bed rail height this is the option. Four carriage head bolts secure the assembly a... BackRack 19-23 Chevrolet Silverado 1500 (New Bdy) Low Profile Drill Hardware Kit - White 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD Base $149.99 CLEARANCE VIEW PRICE IN CART |
IN STOCK - LOW 30124LPWOur new LOW PROFILE DRILL Hardware Kit is available for select late model fullsize trucks. These require you to drill two holes through the top of the bed rail for installation. If you must have the Toolbox sitting at bed rail height this is the option. Four carriage head bolts secure the assembly a... BackRack 20-23 Chevrolet/GMC Silverado/Sierra 2500/3500HD Low Profile Drill Hardware Kit - White 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $149.99 CLEARANCE VIEW PRICE IN CART |
 IN STOCK 30119Used For Mounting Safety Rack frames. Can Be Used As Replacement BackRack(TM) Hardware. Includes Rail Plates/Neoprene Strips And Instructions. Hardware is Yellow Zinc Plated. Brackets Are Powder Coated. Limited Lifetime Warranty.... BackRack 07-18 Chevy/GMC Silverado Sierra Standard No Drill Hardware Kit 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD Base $139.99 |
IN STOCK 30124Used For Mounting Safety Rack frames. Can Be Used As Replacement BackRack(TM) Hardware. Includes Rail Plates/Neoprene Strips And Instructions. Hardware is Yellow Zinc Plated. Brackets Are Powder Coated. Limited Lifetime Warranty.... BackRack 20-23 Chevy/GMC Silverado Sierra 2500/3500HD Only Standard No Drill Hardware Kit 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $139.99 |
OUT OF STOCK 30124WUsed For Mounting Safety Rack frames. Can Be Used As Replacement BackRack(TM) Hardware. Includes Rail Plates/Neoprene Strips And Instructions. Hardware is Yellow Zinc Plated. Brackets Are Powder Coated. Limited Lifetime Warranty.... BackRack 20-23 Chevrolet/GMC Silverado/Sierra 2500/3500HD No Drill Standard Hardware Kit - White 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $149.99 |
 OUT OF STOCK 40120Replaces Standard Railmount Hardware. Allows Toolbox to be installed flush against BackRack(TM). Eliminates gap between Toolbox and Backrack. Allows Toolbox to be installed without drilling into truck bed. Standard 21 inches. Optional 31 inches available.... BackRack 14-18 Silverado Sierra Low Profile Tonneau Hardware Kit 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD Base $199.99 |
IN STOCK - LOW 40124Replaces Standard Railmount Hardware. Allows Toolbox to be installed flush against BackRack(TM). Eliminates gap between Toolbox and Backrack. Allows Toolbox to be installed without drilling into truck bed. Standard 21 inches. Optional 31 inches available.... BackRack 2019+ Silverado Sierra HD Only Low Profile Tonneau Hardware Kit 2019-2021 GMC Sierra 3500 HD Base 2019-2024 GMC Sierra 3500 HD Denali / SLE / SLT 2020-2024 GMC Sierra 3500 HD AT4 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $199.99 |
IN STOCK 50120BACKRACK(TM) products are manufactured exclusively in North America at our Oakville, Ontario manufacturing facility. Outsourcing jobs offshore is not part of our corporate culture. We feel that in order to control quality and maximize efficiency, a hands-on approach to manufacturing must be followed... BackRack 14-18 Silverado Sierra Tonneau Hardware Kit - Wide Top 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD Base $199.99 |
OUT OF STOCK 50124Replaces Standard Railmount Hardware. Allows Toolbox to be installed flush against BackRack(TM). Eliminates gap between Toolbox and Backrack. Allows Toolbox to be installed without drilling into truck bed. Standard 21 inches. Optional 31 inches available.... BackRack 2019+ Silverado Sierra HD Only Tonneau Hardware Kit - Wide Top 2019-2021 GMC Sierra 3500 HD Base 2019-2024 GMC Sierra 3500 HD Denali / SLE / SLT 2020-2024 GMC Sierra 3500 HD AT4 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $199.99 |
 IN STOCK 30119LPOur new LOW PROFILE DRILL Hardware Kit is available for select late model fullsize trucks. These require you to drill two holes through the top of the bed rail for installation. If you must have the Toolbox sitting at bed rail height this is the option. Four carriage head bolts secure the assembly a... BackRack 2007+ Chevy/GMC Silverado Sierra Low Profile 21in Drill Hardware Kit 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD Base $139.99 |
IN STOCK 30119TBUsed For Mounting Safety Rack frames. Can Be Used As Replacement BackRack(TM) Hardware. Includes Rail Plates/Neoprene Strips And Instructions. Hardware is Yellow Zinc Plated. Brackets Are Powder Coated. Limited Lifetime Warranty.... BackRack 07-18 Chevy/GMC Silverado Sierra Toolbox 21in No Drill Hardware Kit 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD Base $139.99 |
IN STOCK - LOW 30119TB31Used For Mounting Safety Rack frames. Can Be Used As Replacement BackRack(TM) Hardware. Includes Rail Plates/Neoprene Strips And Instructions. Hardware is Yellow Zinc Plated. Brackets Are Powder Coated. Limited Lifetime Warranty.... BackRack 07-18 Chevy/GMC Silverado Sierra Toolbox 31in No Drill Hardware Kit 2007-2014 GMC Sierra 3500 HD WT 2007-2019 GMC Sierra 3500 HD SLE / SLT 2011-2019 GMC Sierra 3500 HD Denali 2015-2019 GMC Sierra 3500 HD Base $139.99 CLEARANCE VIEW PRICE IN CART |
IN STOCK 30122TBUsed For Mounting Safety Rack frames. Can Be Used As Replacement BackRack(TM) Hardware. Includes Rail Plates/Neoprene Strips And Instructions. Hardware is Yellow Zinc Plated. Brackets Are Powder Coated. Limited Lifetime Warranty.... BackRack 2019+ Chevy/GMC Silverado Sierra LD & HD Toolbox 21in No Drill Hardware Kit 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $139.99 |
OUT OF STOCK 30122TB31Used For Mounting Safety Rack frames. Can Be Used As Replacement BackRack(TM) Hardware. Includes Rail Plates/Neoprene Strips And Instructions. Hardware is Yellow Zinc Plated. Brackets Are Powder Coated. Limited Lifetime Warranty.... BackRack 2019+ Chevy/GMC Silverado Sierra LD & HD Toolbox 31in No Drill Hardware Kit 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $139.99 |
IN STOCK - LOW 30122TBWUsed For Mounting Safety Rack frames. Can Be Used As Replacement BackRack(TM) Hardware. Includes Rail Plates/Neoprene Strips And Instructions. Hardware is Yellow Zinc Plated. Brackets Are Powder Coated. Limited Lifetime Warranty.... BackRack 20-22 Chev Silverado 2500/3500HD / 19-22 1500 (New Bdy) Toolbox 21in. HW Kit - White 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $149.99 CLEARANCE VIEW PRICE IN CART |
IN STOCK - LOW 30124LPOur new LOW PROFILE DRILL Hardware Kit is available for select late model fullsize trucks. These require you to drill two holes through the top of the bed rail for installation. If you must have the Toolbox sitting at bed rail height this is the option. Four carriage head bolts secure the assembly a... BackRack 2007+ Chevy/GMC Silverado Sierra HD Only Low Profile 21in Drill Hardware Kit 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $139.99 |
 OUT OF STOCK 11519Truck Bed Rear Bar is ideal for securing long cargo. Removable for storage when not in use. Mount into truck bed stake pockets. Durable powdercoat finish. Limited lifetime warranty.... BackRack 07-13 Chevy/GMC Silverado Sierra Rear Bar 2007-2013 GMC Sierra 3500 HD SLE / SLT / WT 2011-2013 GMC Sierra 3500 HD Denali $169.99 |
IN STOCK 11520Truck Bed Rear Bar is ideal for securing long cargo. Removable for storage when not in use. Mount into truck bed stake pockets. Durable powdercoat finish. Limited lifetime warranty.... BackRack 14-18 Chevy/GMC Silverado Sierra Rear Bar 2014-2014 GMC Sierra 3500 HD WT 2014-2019 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 3500 HD Base $169.99 |
OUT OF STOCK 11524Truck Bed Rear Bar is ideal for securing long cargo. Removable for storage when not in use. Mount into truck bed stake pockets. Durable powdercoat finish. Limited lifetime warranty.... BackRack 2019+ Chevy/GMC Silverado Sierra HD Only Rear Bar 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $169.99 |
 IN STOCK - LOW 911000PSIts no longer necessary to choose between securing your truck bed with a tonneau cover and adding funtional lighting in style. The Sport Bar 2.0 can be installed on any full size and mid size pickup truck bed with your favorirte snap, roll up and some folding tonneau covers. It ships modular and can... Go Rhino 07-20 Toyota Tundra Sport Bar 2.0 (Full Size) - SS 2011-2014 GMC Sierra 3500 HD WT 2011-2019 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 3500 HD Base $1,249.99 |
 SHIPS FROM MANUFACTURER 918000PSIts no longer necessary to choose between securing your truck bed with a tonneau cover and adding funtional lighting in style. The Sport Bar 2.0 can be installed on any full size and mid size pickup truck bed with your favorirte snap, roll up and some folding tonneau covers. It ships modular and can... Go Rhino 19-20 Ram 1500 Sport Bar 2.0 (Full Size) - SS 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $1,249.99 |
 IN STOCK 911000TIts no longer necessary to choose between securing your truck bed with a tonneau cover and adding funtional lighting in style. The Sport Bar 2.0 can be installed on any full size and mid size pickup truck bed with your favorirte snap, roll up and some folding tonneau covers. It ships modular and can... Go Rhino 07-20 Toyota Tundra Sport Bar 2.0 (Full Size) - Tex Blk 2015-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $1,109.99 |
 IN STOCK 918000TIts no longer necessary to choose between securing your truck bed with a tonneau cover and adding funtional lighting in style. The Sport Bar 2.0 can be installed on any full size and mid size pickup truck bed with your favorirte snap, roll up and some folding tonneau covers. It ships modular and can... Go Rhino 19-20 Ram 1500 Sport Bar 2.0 (Full Size) - Tex Blk 2020-2021 GMC Sierra 3500 HD Base 2020-2024 GMC Sierra 3500 HD AT4 / Denali / SLE / SLT 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $1,109.99 |
 IN STOCK 960001TTake your Sport Bar 2.0 to the next level with the Sport Bar 2.0 Power-Actuated Retractable Light Mount. The allows lights to retract into the Sport Bar 2.0 with the flip of a switch!... Go Rhino Sport Bar 2.0 (Full Size) - Tex Blk 2015-2021 GMC Sierra 3500 HD Base 2015-2024 GMC Sierra 3500 HD Denali / SLE / SLT 2020-2024 GMC Sierra 3500 HD AT4 2022-2024 GMC Sierra 3500 HD Pro 2024-2024 GMC Sierra 3500 HD Denali Ultimate $484.99 |
 IN STOCK - LOW 911003TGo Rhino 07-20 Toyota Tundra Sport Bar 3.0 (Full Size) - Tex Blk 2011-2014 GMC Sierra 3500 HD WT 2011-2019 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2019 GMC Sierra 3500 HD Base $434.99 |