Truck Hardware Gatorback Red GMC Dually Mud Flaps - Set

Was: $648.00
$583.00
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Part #: GB1223CUTGR-2~GB2124GR-2~GB756991
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Our Guarantee
  • Fits 2015-2019 GMC Sierra 3500 HD (Dually Rear Wheel)
  • Front - 5" of tire coverage from bottom of the fender to bottom of the flap
  • Rear - 9.5" of tire coverage from bottom of the fender to bottom of the flap
  • Includes 12"x23" cut style front flaps (GB1223CUTG-R)
  • Includes 21"x24" dually rear flaps (GB2124G-R)
  • Includes custom fit rear support brackets (GB756991)
  • Officially licensed GMC Red logos
  • Limited lifetime warranty
  • Gatorback mud flap length comparisons

Front Flap Installation Video

Dually Mud Flap Set

What you get with the set

Rear Dually Bracket and Flap Installation

Step by Step Instructions

Gatorback Plate Finishes

Here are the different plate finishines

Most Helpful

From: on September 20, 2016
Excellent Flaps: Worth Every Penny
5
I was completely satisfied with my purchasing experience at sharptruck. After conversing with a rep in customer service and getting complete and very informative information from him I decided to order gatorback mudflaps, a front and rear set, plus custom rear brackets for the rear installation on my 2016 GMC Sierra. My shipment arrived a few days after confirmation as was promised. Everything was intact with install instructions. The price was right and the quality of the product was exceptionable. It was a pleasure doing business with Sharptruck and I plan to do more in the future.
7 people found this helpful.
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Looks good!
5
They look good on my truck
3 people found this helpful.
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Nice fit, look great!
5
Installed on my 2018 GMC dually. They look great and fit perfectly although I would actually like for the to be a bit longer. Maybe 26” instead of 24”.
3 people found this helpful.
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Most Recent

Instructions
4
I wish there was a video or better yet maybe instructions that didn’t remind me of ikea
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Gator Mud flaps
5
First time order, received the Gator front MUD flaps already had the rear Great product 👍  Also looks great on my truck..I will be doing more business with "SharpTruck"
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This red GMC Letters Gatorback Dually Mud Flap Set is designed for a perfect fit on dually GMC Sierra 3500 trucks. 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 rear pair come with the custom fit brackets and the hardware needed to install the flaps. The rugged design and quality finish of these mud flaps make the perfect compliment to your truck. Featuring a 1/2" thick rubber flap with an embossed stainless steel plate, these mud flaps are sure to impress while they protect your investment. The Gatorbacks are a universal fit truck splash guard designed for full-size pickup trucks.

Installation is made straight forward with the included self tapping screws and custom rear bracket. The front flaps will fasten directly to the lip of the wheel well with the self tappering screws. You can use factory existing fasteners if your wheel well has those available. There needs to be at least 1/2" of clearance in the front between the tires and wheel well to accomidate the thickness of the flap. The rear flaps will be fastened to the rear bracket and one or two self tapping screws to hold it tight against the wheel well. This will prevent the flaps from flapping into the tires and getting tore off. 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.

The GMC text 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 the rear plate measures 17 1/4" x 5". You will appreciate the attention to detail in these flaps.

Other helpful topics related to the gatorback mud flaps

Package Fits These Trucks-

  • 2015 GMC Sierra 3500 HD (Dually Rear Wheel)
  • 2016 GMC Sierra 3500 HD (Dually Rear Wheel)
  • 2017 GMC Sierra 3500 HD (Dually Rear Wheel)
  • 2018 GMC Sierra 3500 HD (Dually Rear Wheel)
  • 2019 GMC Sierra 3500 HD (Dually Rear Wheel)

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
Length24 inch(es)
Width21 inch(es)
Height.5 inch(es)
Weight35 lb(s)

  • 2019 GMC Sierra 3500 HD
  • 2018 GMC Sierra 3500 HD
  • 2017 GMC Sierra 3500 HD
  • 2016 GMC Sierra 3500 HD
  • 2015 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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