Fender Flares | Sport | GNO Thunderstorm Gray | GMC Sierra 2500 HD/Sierra 3500 HD (20-26)

Style and Maximum Coverage: Elevate your fifth-generation GMC Sierra 2500 HD/3500 HD with Rough Country's Sport Style Fender Flares. These flares extend 1 inch for wider tires and offer a 6.5-inch height, giving your truck bold styling, extra clearance, and superior protection from rocks, mud, and road debris. Turn heads with a rugged, custom look that complements your truck's style while keeping it safe. Durable Construction & UV Protection: Crafted from impact-resistant Tri-Blend ABS material, these fender flares are built to withstand the toughest conditions. The built-in UV-resistant finish prevents fading, chalking, and cracking, keeping your truck looking fresh no matter the weather. Choose a paint-ready surface for DIY color matching, or select the Paint-to-Code option for a seamless factory color match right out of the box. Easy No-Drill Installation & Removable Design: Designed for a perfect fit using factory mounting points, these fender flares install quickly without drilling. Want to restore your truck's stock appearance? Simply remove the flares anytime with minimal effort. Warranty Coverage & Peace of Mind: Every set of Rough Country fender flares is backed by a 3-year limited warranty against manufacturer defects. Paint-to-Code options include a 1-year limited warranty covering paint adhesion and UV protection, so you can enjoy your custom look with confidence.

Features

Tire Coverage & Flare Height: Extends 1 inch for wider tires with a 6.5-inch height, delivering bold styling, extra clearance, and maximum protection.
No-Drill Installation: Quick and easy setup with a perfect fit using factory mounting points.
Enhanced Protection: Shields your truck from rocks, mud, and road debris to preserve your paint and body.
UV-Resistant Finish: Built-in protection prevents fading, chalking, and cracking under the sun.
Durable Tri-Blend ABS Construction: Crafted from impact-resistant material for long-lasting strength.
Paint-Ready Surface: Easily customizable to color match your truck's factory finish.
Paint-to-Code Options: Available painted to your truck's exact factory color code, giving you the power to choose a seamless, customized look right out of the box.
Removable Design: Can be taken off at any time to restore your truck's stock appearance.
Warranty Coverage: Backed by a 3-year limited warranty against manufacturer defects. Paint-to-Code option includes a 1-year limited warranty covering paint adhesion and UV protection for added peace of mind.

Notes

These flares install over the factory fender flares. Does NOT fit dually models. Due to variances in mud flap caps, these flares do NOT fit AT4X or models equipped with the AEV package. California Residents: Prop65 Warning.

Instructions

View Instructions

The Kaos Run Down

Fitment Year: 2020 2021 2022 2023 2024 2025 2026

Make: GMC

Model: Sierra 3500 HD

Submodel: AT4

Drive: 4WD