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Truck Hardware Gatorback Denali Mud Flaps - Front Pair - Fits 2020-2026 GMC Sierra 2500/3500HD

Part #:
GCS200F-D
Sale Price
$283.20
$354.00
Free Shipping
In Stock Ships by Friday

Additional details

    ⚠️Does NOT fit AT4X / Does NOT fit with OEM splash guards
  • Includes (2)12" wide mud flaps (1 driver/1 pass)
  • Installs over OEM protector
  • Stainless steel upper bracket with 2" kickback
  • Front tire coverage - 8.75" below fender
  • Heavy duty premium rubber flaps
  • Lifetime limited warranty

Gatorback Plate Finishes

Here are the different plate finishes

Front Flap Installation Video

Step By Step Install

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
Front mud flaps
5
Quite expensive but worth it! Very easy to install.
A little pricey but nice quality
5
10 minutes  to install and looks great 👍

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This front pair of Denali logo Gatorback Mud Flaps with stainless steel plates is designed for a perfect fit on GMC Sierra 2500 HD & GMC Sierra 3500 HD trucks. The front pair of mud flaps feature 12" wide and 1/2" thick heavy duty rubber that will protect your vehicle from rocks, mud, gravel, snow and more. The upper custom fit brackets are made out of 304 polished stainless stell so they will not rust or corrode. They are formed to follow the contours of the smaller factory protector in the wheel well and do not have to be removed to install the Gatorback flaps. Please note, these flaps do not fit the larger, optional facotry mud guards, see image above in the scroller. This design gives the most tire clearance in the wheel well. The heavy duty rubber ensures that there will not be any debris that gets passed these flaps. You will see your vehicle staying cleaner longer, less junk on your step bars, as well as fewer rock chips on the paint. Installation is easy as these use factory existing holes so you will not be drilling in to the body of the truck. 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. These mud flaps are sure to impress while they protect your investment.

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 mud flaps install overtop of the factory protectors and extend down for added tire coverage and vehicle protection. This pair includes everything you need to get the front flaps installed on your truck.

The Denali logo is officially licensed ensuring it looks perfect and is die stamped into the stainless steel plate with a hand applied vinyl overlay. The stainless plate measures 10 1/4" x 5" on the front and rear flaps. You will appreciate the attention to detail in these flaps. 

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.

Brand Gatorback by Truck Hardware
Length 23 inch(es)
Width 12 inch(es)
Height .5 inch(es)
Weight 9 lb(s)
UPC 667511041276

  • 2026 GMC Sierra 2500 HD
  • 2026 GMC Sierra 3500 HD
  • 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