Rough Country 4509A — Rear Wheel Well Liners | Ford F-250/F-350 Super Duty 2WD/4WD (2009-2016).

About this part

Transform Your Super Duty's Rear End: Give your Ford F-250 or F-350 Super Duty a sleek, finished look with Rough Country Rear Wheel Well Liners. Crafted from high-density polyethylene plastic, these liners are built tough to handle the harshest conditions while filling the exposed gap between your truck's frame and body for a clean, factory-style appearance, especially noticeable after lifting. Rugged Protection You Can Count On: Designed to shield your truck's rear wheel wells from rocks, dirt, salt, mud, and road debris, these liners act as a durable barrier against everyday abuse and extreme weather. Their contoured, all-black finish not only adds aggressive style but also makes cleaning quick and hassle-free by covering those hard-to-reach areas. Simple Installation, Lasting Performance: With a precision fit tailored to your Super Duty, these liners install easily using a bolt-on process and basic hand tools, no complicated modifications required. Plus, they're backed by Rough Country's Limited Lifetime Warranty, giving you long-lasting protection and peace of mind.

Manufacturer features

Fast, Hassle-Free Install: Designed for quick and easy installation with no cutting or drilling required. Sleek, Finished Appearance: Gives your truck a cleaner, more refined look by filling exposed wheel wells. Rugged Protection: Shields against rocks, dirt, salt, road debris, and harsh weather to preserve your truck's underbody. Covers Unsightly Gaps: Effectively hides the gap between the frame and body for a seamless appearance. Durable Construction: Built from high-density polyethylene plastic for strength, flexibility, and resistance to wear. Backed by Confidence: Limited Lifetime Warranty ensures long-lasting quality and peace of mind. Convenient Pair Packaging: Each set includes two liners for complete coverage. Proudly Made in the USA: Crafted with American-made quality you can trust.

Important application and installation requirements

Due to variances in rear bed design, this kit does NOT fit models equipped with a fifth wheel. Due to variances in wheel well design this kit does NOT fit dually models. Aftermarket fender flares may need to be temporarily removed for installation. California Residents: Prop65 Warning .

Manufacturer installation time estimate

30 minutes

Manufacturer-listed applications

2009-2016:2WD:Ford:F-250 Super Duty;2009-2016:4WD:Ford:F-250 Super Duty;2009-2016:2WD:Ford:F-350 Super Duty;2009-2016:4WD:Ford:F-350 Super Duty

Read the complete trim, drivetrain and installation restrictions. Application records are manufacturer supplied; they are not an independent fitment certification.

Manufacturer installation instructions

Manufacturer part number: 4509A. Shipping weight: 76.91lbs. Supplier shipping classification: Ground Only.

Rough Country product specifications and restrictions

Compare products and plan your setup

Compare Wheel Well Liners from the existing category · More from Rough Country

Find manufacturer-listed Rough Country applications. Check each part’s requirements before combining products.