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Truck Hardware Gatorback Duramax Mud Flaps - Set of 4 - Fits 2014-2018 Chevy Silverado 1500 & 2015-2019 2500/3500HD

Part #:
GB1223CUTDX-2~GB1223DX-2~GB766385
Sale Price
$336.80
$421.00
Free Shipping
In Stock Ships by Monday

Additional details

    ⚠️Fits single rear wheel trucks
  • Includes (4) 12" wide mud flaps (2 driver/2 pass)
  • Drilling required for installation
  • Front tire coverage - 9" below fender
  • Rear tire coverage - 7.5" below fender
  • Lifetime limited warranty

Rear Flaps and Bracket Install

Step by Step Instructions

Gatorback Plate Finishes

Here are the different plate finishes

Front Flap Installation Video

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

Most Helpful

Truck jewelry
5
These mudflaps are top-quality heavy duty very nice I’ve received so many compliments on them you would think that it was a nice piece  of jewelry I was wearing I love them and so does everybody else thank you
Bow tie and Duramax
5
Fit and finish were great. Stainless steel fasteners were perfect. I really like the looks of the flaps. Set off the truck and keeps the mud off the factory running boards. No more dirty back of pants legs. I recommend these for full functionality and great looks.
Great mudflaps
5
I really like these mudflaps, they look really good, they are exactly what I was wanting to find!!

Most Recent

Gatorback Flaps On LB7 Duramax
5
Absolutely love the products and their customer service. I tore a couple of my flaps off and they replaced it for free no questions asked.
Mud Flap Brackets - Rear
5
Amazing quality and fit great! Installed on 2015 Chevy 2500.

I just got a 2018 Chevy HD . Single rear wheel . Will these fit my truck?

- Jeannine Scully on 10/27/2017

These will fit on your truck. This kit have everything you need to install the flaps.

- Admin on 10/27/2017

Can I adapt these mudflaps to fit over fender flares?

- robert on 9/4/2019

You can use them with fender flares.  

- Admin on 9/4/2019

Will these fit a 2012 2500hd Duramax single rear wheel?

- Tommy Symington on 4/2/2023

The only difference is you would need this bracket instead, https://www.sharptruck.com/truck-hardware-gb756056

- Admin on 4/3/2023

View all questions

Truck Hardware Gatorback "Duramax" Logo Mud Flaps - Set

Elevate the style and protection of your Chevy Silverado with the Truck Hardware Gatorback "Duramax" Logo Mud Flap Set. Specifically designed for 2015-2019 Chevy Silverado 2500 HD and 3500 HD (Single Rear Wheel), these mud flaps provide a perfect fit, offering superior defense against road debris while enhancing your truck's rugged appearance. Made from heavy-duty, 12-inch wide premium virgin rubber, these flaps deliver full tire coverage, ensuring they remain effective even at high speeds, preventing damage from rocks, mud, and other debris.

These Gatorback mud flaps feature the iconic Duramax logo, officially licensed for authenticity. The logo is die-stamped into a 304 stainless steel plate with a hand-applied vinyl overlay, giving your truck a professional and bold look. Constructed from 1/2" thick premium virgin rubber, these mud flaps offer outstanding durability, flexibility, and resistance to cracking, making them ideal for harsh environments. The front flaps provide 9 inches of tire coverage, while the rear flaps provide 7.5 inches, effectively shielding your truck's finish.

Installation

Front Flap Installation: The front mud flaps attach directly to the lip of the wheel well using self-tapping screws, and existing factory fasteners can also be used if available. Installation is straightforward and requires only basic tools. Be sure to allow at least 1/2" of clearance between the tire and the wheel well to accommodate the flap's thickness. The front flaps install flush with the wheel well, allowing for seamless integration with accessories like step bars, power boards, or side steps.

Rear Flap Installation: The rear flaps are secured using custom-fit rear support brackets along with one or two self-tapping screws to hold them tightly against the wheel well. This method ensures the flaps stay in place and do not flap into the tires, even under challenging driving conditions.

Key Features

  • Premium Virgin Rubber: Made from UV-resistant virgin rubber for superior durability, flexibility, and resistance to cracking—ideal for harsh environments.
  • Officially Licensed Duramax Logo: Features a stainless steel plate with the iconic Duramax logo, adding a powerful, bold touch to your truck.
  • Custom Fit for Chevy Silverado: Specifically designed for 2015-2019 Silverado 2500 HD/3500 HD (Single Rear Wheel) models, providing tailored coverage for both front and rear tires.
  • Durable Rear Support Brackets: Custom rear support brackets ensure a stable and secure installation, keeping the heavy-duty flaps firmly mounted.

What’s Included

  • (2) Front Mud Flaps - 12" x 23" (GB1223CUTDX-2)
  • (2) Rear Mud Flaps - 12" x 23" (GB1223DX-2)
  • Custom Rear Support Brackets (GB766385)
  • Stainless Steel Self-Tapping Mounting Screws

Tire Coverage

  • Front: Provides 9 inches of tire coverage from the bottom of the fender to the bottom of the flap.
  • Rear: Provides 7.5 inches of tire coverage from the bottom of the fender to the bottom of the flap.

Care & Maintenance

To keep your Gatorback Mud Flaps looking and functioning like new, follow these care and maintenance tips:

  • Virgin Rubber: Clean the heavy-duty rubber portion periodically with mild soap and water to remove road grime, salt, and other buildup.
  • Stainless Steel Plate: Wipe down the stainless steel plates with a non-abrasive cleaner to maintain their appearance and prevent corrosion.
  • Inspect the mounting hardware periodically to ensure it remains secure, especially after off-road use or harsh weather conditions.

Terms

  • Virgin Rubber: High-quality rubber that is not recycled, providing superior flexibility, durability, and resistance to cracking.
  • Sailing: A term used to describe the movement of mud flaps due to airflow, causing them to lift or move out of position, especially at high speeds.
  • Self-Tapping Screws: Screws designed to create their own threads as they are driven into a material, ensuring a secure fit.
  • OEM (Original Equipment Manufacturer): Refers to the quality and design standards set by the original manufacturer, ensuring compatibility and high quality.

Warranty Information

The Gatorback "Duramax" Logo Mud Flaps come with a limited lifetime warranty on the rubber portion. This warranty covers any tears or damage from regular use to the original owner. It does not cover brackets, plates, or mounting hardware, nor does it cover damages due to abuse.

Truck Hardware Gatorback "Duramax" Logo Mud Flaps are a premium addition to your Chevy Silverado, offering a unique combination of style, durability, and protection. With high-quality materials, easy installation, and the bold, officially licensed Duramax logo, these mud flaps provide a sleek upgrade that keeps your truck protected and looking sharp. Choose Gatorback for a lasting solution that enhances both the appearance and function of your truck.

BrandGatorback by Truck Hardware
Length23 inch(es)
Width12 inch(es)
Height.5 inch(es)
Weight23 lb(s)

  • 2019 Chevrolet Silverado 2500 HD
  • 2019 Chevrolet Silverado 3500 HD
  • 2018 Chevrolet Silverado 2500 HD
  • 2018 Chevrolet Silverado 3500 HD
  • 2017 Chevrolet Silverado 2500 HD
  • 2017 Chevrolet Silverado 3500 HD
  • 2016 Chevrolet Silverado 2500 HD
  • 2016 Chevrolet Silverado 3500 HD
  • 2015 Chevrolet Silverado 2500 HD
  • 2015 Chevrolet Silverado 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