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Truck Hardware Gatorback Rubber Mud Flaps & Caps - Rear

Part #:
GCR200R-BK
Sale Price
$316.80
$396.00
Free Shipping
ON ORDER — Expected to Ship in 10-14 Days

Additional details

  • Fits 2020-2025 GMC Sierra 2500 HD & 3500 HD (Single Rear Wheel)
  • Does NOT fit the AT4X submodel
  • Includes (2)12" wide mud flaps (1 driver/1 pass) & 2 finishing caps
  • Remove OEM protector or factory mud guard for install
  • Rear mud flaps install inside the wheel well
  • Rear tire coverage - 10" below fender
  • Heavy duty premium rubber flaps
  • Lifetime limited warranty

Rear Flap Installation Video

Step By Step Install

Gatorback Plate Finishes

Here are the different plate finishines

At a glance

Overall sentiment is overwhelmingly positive: customers consistently describe Gatorback/SharpTruck mud flaps as premium, heavy-duty, great-looking products that provide excellent protection, with standout customer service and warranty support; the main negatives are high price and occasional installation/hardware/fitment frustrations.

What Customers Liked

  • Thick, heavy rubber with a substantial feel; durable, flexible in cold/snow/ice; doesn’t “sail” at highway speeds; plates/weights feel robust and can be replaced/swapped.
  • Significantly reduces rock chips, mud/salt spray, and slush on rocker panels, running boards/power steps, bumpers, trailers/RVs; many note cleaner sides and less debris noise on gravel roads.
  • Vehicle-specific fit often described as ‘like a glove’/OEM; finishes (chrome, gunmetal, black plates) and logo plates (Z71/AT4X/FX4/Ram/Ford/Chevy, flags, etc.) ‘make the truck pop’ and draw compliments.
  • Many report straightforward installs, especially after the first flap; helpful YouTube videos; slotted holes help leveling; adjustable stick-out; removable lower section appreciated for off-roading/clearance.
  • Fast shipping is frequently praised; responsive support for exchanges/mis-shipments/damaged parts; hassle-free warranty replacements (torn/ripped flaps or scratched plates) often sent quickly.

Things to Consider

  • Most common complaint: ‘pricey/overpriced’ (often $600–$1000 with brackets/plates). Some feel brackets/plates should be included at that price.
  • Installs can be time-consuming or awkward (especially rears/dually setups), sometimes requiring wheel removal, right-angle drill, extra hands, drilling into plastic liners, trimming liners/trim pieces, or drilling/slot-cutting templates.
  • Paper instructions sometimes lacking, confusing, or mismatched vs video; hardware bags not well-separated/labeled; left/right not always marked; templates/printer scaling issues; ‘no-drill’ marketing criticized when drilling plastic is required.
  • Occasional reports of cheap/fragile fasteners, plastic clips/nut inserts pulling out/stripping, mixed metric/SAE heads, silver hardware being visually noticeable, bracket thickness/material concerns (plastic/galvanized vs stainless), and clamp-on brackets potentially rubbing paint (suggest PPF/tape).
  • Some vehicles need hole elongation, bracket bending, or ‘gerry-rigging’; occasional rubbing with oversized tires/offset wheels; a few reports of mis-shipped parts (two rears), wrong plates/colors, missing washers/spacers/clips/screws, or shipping scuffs/scratches/damaged boxes.
AI-generated from the text of customer reviews
Good quality and easy install
5
Installed these in my 24’ gmc 2500, they do a much better job than factory and were a very simple install. The finishing caps match perfectly.  Best part is no drilling required.

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This rear pair of Gatorback Mud Flaps allows for the removal of the factory protector or mud guards that come standard on Sierra HD trucks. Featuring a 1/2" thick rubber flap, these mud flaps are sure to impress while they protect your investment. The rear flaps and caps are more of a standard flap, giving you full tire coverage at 12" wide. The finishing cap has an OEM look and texture for a seemless fit and finish & give you another option to help customize your truck and give it a unique look. 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.

Installation is made simple featuring no body drilling using factory exisiting fastereners, mounting locations & custom designed finishing caps. 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 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 finishing caps and the hardware needed to install the flaps. Once the finishing caps are installed the rear mud flaps will install overtop of the caps inside the wheel well. When installing these flaps there is no drilling into the body of the truck.

Other helpful topics related to the gatorback mud flaps

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.

BrandGatorback by Truck Hardware
Length23 inch(es)
Width12 inch(es)
Height.5 inch(es)
Weight10 lb(s)

  • 2025 GMC Sierra 2500 HD
  • 2025 GMC Sierra 3500 HD
  • 2024 GMC Sierra 2500 HD
  • 2024 GMC Sierra 3500 HD
  • 2023 GMC Sierra 2500 HD
  • 2023 GMC Sierra 3500 HD
  • 2022 GMC Sierra 2500 HD
  • 2022 GMC Sierra 3500 HD
  • 2021 GMC Sierra 2500 HD
  • 2021 GMC Sierra 3500 HD
  • 2020 GMC Sierra 2500 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