2020-2023 GMC Sierra 3500HD Rubber Gatorback Dually Mud Flaps and Front Finishing Caps - Set

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Part #: GCR200F-BK~GCR204R-BK
Our Guarantee
  • Fits 2020-2023 GMC Sierra 3500 HD (Dually Rear Wheel)
  • Installs over OEM protector - Does not fit with OEM splash guards
  • Front - 12.5" of tire coverage from bottom of the fender to bottom of the flap
  • Rear - 13.25" of tire coverage from bottom of the fender to bottom of the flap
  • Includes 2 front mud flaps (1 driver/1 passenger) (GCS200F-BK)
  • Includes 2 rear mud flaps (1 driver/1 passenger) and custom fit rear support brackets(GCR204R-BK)
  • Heavy weight flap will not sail
  • Limited lifetime warranty
  • Includes self-tapping mounting screws
  • Gatorback mud flap length comparisons

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This Gatorback Dually Mud Flap Set is designed for a perfect fit on dually GMC Sierra 3500 trucks. The rear flaps offer 21" of heavy duty rubber and weigh in at 10 lbs each. This weight will ensure that they do not sail when you are driving and they do their job. The rear pair come with the custom fit brackets and the hardware needed to install the flaps. The heavy duty rubber ensures that there will not be any debris that gets passed these flaps. The front mud flaps install overtop of the factory protectors and extend down for added tire coverage and vehicle protection. The upper brackets are made out of polished 304 stainless steel so they will not rust or corrode. The installation is easy as they use factory existing holes so you will not be drilling in to 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)

  • 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 www.p65warnings.ca.gov
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