Truck Hardware Gatorback Rubber Dually Mud Flaps & Caps - Set

Was: $863.00
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Part #: GCR200F-BK~GCR204R-BK
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Our Guarantee
  • Does NOT fit with optional felt fender liners
  • Fits 2020-2024 GMC Sierra 3500 HD (Dual Rear Wheel)
  • Removes front OEM guards for a more finished look
  • Includes (2) 12" wide front flaps (1 driver/1 pass)
  • Includes (2) 21" wide dually flaps (1 driver/1 pass) with brackets & hardware
  • Custom fit - No body drilling required for installation
  • Front - 9" of tire coverage from fender to bottom of flap
  • Rear - 13.25" of tire coverage from fender to bottom of flap
  • Lifetime limited warranty

Gatorback Plate Finishes

Here are the different plate finishines

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This Gatorback Dually Mud Flap Set is designed for a perfect fit on dually GMC Sierra 3500 trucks. These mud flaps will add a level of funtionality to your vehicle while also giving it a unique look. The front mud flaps are 12.5" wide and the rear flaps measure 21" wide weigh in at 10 lbs each. This weight will ensure that they do not sail when you are driving and they do their job of protecting your vehicle and what you are towing from rocks, mud, gravel, snow and more. You will see your vehicle staying cleaner longer, less junk on your step bars, as well as fewer rock chips on the paint. The Truck Hardware Gatorback series mud flaps are the industries highest quality, heavy duty mud guards! The rugged design and quality finish of these mud flaps make the perfect compliment to your truck. Featuring a 1/2" thick rubber flap, these mud flaps are sure to impress while they protect your investment. This set includes everything you need to get the flaps installed on your truck.

Installation is made simple featuring no body drilling using factory exisiting fastereners, mounting locations & custom designed brackets. If there are not any fasteners the flaps will come with the needed hardware and brackets for solid installation. Installation can done with tools you have at home. The front mud flaps and finishing caps allows for the removal of the factory protector or mud guards that come standard on Sierra HD trucks. The finishing cap has an OEM look and texture for a seemless fit and finish. Using factory existing fasteners and strong 3M automotive grade tape are used to hold everything firmly in place. The rear pair come with the custom fit brackets and the hardware needed to install the flaps. When installing these flaps there is no drilling into the body of the truck.

Manufacturer Warranty-

Gatorback mudflaps are backed by a Limited lifetime warranty. This warranty covers rubber replacement (ex- tear offs) for the lifetime of the product to the original owner. It does not cover damage caused by abuse, or regular wear and tear on brackets, plates, or mounting hardware.

Other helpful topics related to the gatorback mud flaps

BrandGatorback by Truck Hardware
Length24 inch(es)
Width21 inch(es)
Height.5 inch(es)
Weight34 lb(s)

  • 2024 GMC Sierra 3500 HD
  • 2023 GMC Sierra 3500 HD
  • 2022 GMC Sierra 3500 HD
  • 2021 GMC Sierra 3500 HD
  • 2020 GMC Sierra 3500 HD
WARNING: Some products may contain chemicals such as DEHP, which can cause cancer, birth defects or other reproductive harm. For more info go to
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