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Truck Hardware Gatorback Denali Dually Mud Flaps - Set

Part #:
GCAA200F-D~GCR204R-D
SKU:
TH-GCAA200F-D~GCR204R-D
Availability
Fargo - Chat Or Call For Availability
Sioux Falls - Chat Or Call For Availability

Additional details

  • Fits 2020-2024 GMC Sierra 3500 HD (Dually Rear Wheel)
  • Does not fit the 2024 AT4X
  • Inner wheel well liner requires modification
  • Installs over OEM protector - Does not fit with OEM splash guards
  • Officially licensed Duramax logo
  • 304 stainless steel plate with black vinyl overlay
  • 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, brackets and hardware (1 driver/1 passenger) (GCAA200F-D)
  • Includes 2 rear mud flaps (1 driver/1 passenger), custom fit rear support brackets and hardware(GCR204R-D)
  • Heavy weight flap will not sail
  • 304 Stainless Steel Plate
  • Limited lifetime warranty

Front Flap Installation Video

Step by Step Instructions

Rear Flap Installation Video

Step by Step Instructions

BrandGatorback by Truck Hardware
Length21 inch(es)
Width24 inch(es)
Height4 inch(es)
Weight35 lb(s)

  • 2025 GMC Sierra 3500 HD
  • 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 www.p65warnings.ca.gov
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