Truck Hardware Gatorback FX4 Dually Mud Flaps - Set

  • Picture of Truck Hardware Gatorback FX4 Dually Mud Flaps - Set
Part #: GCR413K-FX4-3
Fargo - Chat Or Call For Availability
Sioux Falls - Chat Or Call For Availability
  • Fits 2023-2024 Ford F-350 dual rear wheel pickup trucks
  • Officially licensed FX4 logo on a 304 stainless steel plate
  • No body drilling required for installation
  • Front - 11" of tire coverage from bottom of the fender to bottom of the flap
  • Rear - 11" of tire coverage from bottom of the fender to bottom of the flap
  • Includes (2)12" wide mud flaps & (2)21" wide mud flaps, custom fit brackets and hardware
  • Heavy duty premium rubber flaps
  • Lifetime limited warranty

Front Flap Installation Video

Step by Step Instructions

Rear Flap Installation Video

Step by Step Instructions

The FX4 logo Gatorback Mud Flap set for the Ford F-350 Super Duty dually are designed for a perfect fit. These mud flaps will add a level of funtionality to your vehicle while also giving it a unique look. The front flaps are 12" wide for full tire coverage; 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 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. 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. Featuring a 1/2" thick rubber flap, these mud flaps are sure to impress while they protect your investment.

The FX4 logo is officially licensed through Ford Accessories 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 17 1/4" x 5" on the rear. You will appreciate the attention to detail in these flaps.

Installation is made simple featuring no body drilling using factory exisiting fastereners and mounting locations. If there are not any fasteners the flaps will come with the needed hardware and brackets for solid installation. Ford Accesories also test fits the flaps on each model year vehicle ensuring the fitment of the product. Installation can be done with tools you have at home. The Gatorbacks install flush to the inside of the wheel well so they work with step bars, power boards or side steps. The mudflaps also feature a lifetime warranty on the rubber portion of the flap. If the flap comes off the truck or is damaged to due to normal wear and tear, let us know and we will send you a replacement piece of rubber at no charge.

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
Weight32 lb(s)

  • 2024 Ford F-350 Super Duty
  • 2023 Ford F-350 Super Duty
WARNING: Some products may contain chemicals such as DEHP, which can cause cancer, birth defects or other reproductive harm. For more info go to