Peterbilt 379 Short - 3.5" Sidewall Front Fender Set

Peterbilt 379 Short Sidewall Composite Front Fender Set – 3.5" Sidewall, 91" or 99" Length

Upgrade your Peterbilt 379 with a clean 3.5" sidewall stance and durability that outlasts standard fiberglass. Built for bold style and serious performance, these fenders deliver the aggressive profile you want with the strength you need.

✔ ArmorCore Advantage™ Lifetime Warranty Against Spider Cracks
✔ Precision Fit – Peterbilt 379 (91" or 99")
✔ Double-Lined Composite Construction
✔ Made in the USA – Seymour, Indiana

Our double-lined composite fiberglass construction adds rigidity and impact resistance where it matters. The integrated mud flap bracket ensures secure mounting, and our exclusive ArmorCore Advantage™ liner system protects against star and spider cracking — for life.

Available in 91-inch or 99-inch lengths, these fenders are lightweight but structurally reinforced for real-world fitment and long-term durability. If you're building a truck to keep, this is the fender set that holds up.

Finished in a smooth, paintable gel coat, ready to customize to match your build.

Sold as a pair (2 fenders)

Important

Fenders come gel-coated and require painting.
Always dry fit before painting — painted fenders are non-returnable.
Photos may show custom-painted customer builds.

Explore our full Peterbilt Fender Collection for additional sizes and styles.

*Free shipping to lower 48 only.