Original Double Hump Fender Set
Give your truck a bold, aggressive look with the Original Double Hump Fender Set. Designed for semi trucks with 52" or 54" axle spreads, these premium rear fenders deliver exceptional coverage, custom styling, and long-lasting durability.
Featuring a deep 38" drop, 5.5" sidewall, and clean straight-edge design, this fender set creates a streamlined profile while helping protect your truck from road debris. Each set is hand-built from double-lined fiberglass and reinforced with the ArmorCore Advantage™ liner system for superior strength and resistance to star and spider cracking.
Finished in a smooth marine-grade gray gel coat, these fenders arrive paint-ready and can be customized to match your truck's unique style. Hidden bracket mounting provides a clean, professional appearance once installed.
Features
✔ ArmorCore Advantage™ Lifetime Warranty Against Spider Cracks
✔ 38" Drop with 5.5" Sidewall
✔ Straight Edge Design
✔ Double-Lined Fiberglass Construction
✔ Hidden Bracket Mounting System
✔ Paint-Ready Gel Coat Finish
✔ Made in the USA – Seymour, Indiana
✔ Sold as a Pair (2 Fenders)
Compatible Truck Brands
- Peterbilt 379, 389, 567
- Kenworth W900, T800, T680
- Freightliner Classic, Coronado
- International 9900i, ProStar, LoneStar
- Mack Granite, Pinnacle
- Volvo VNL, VNM
- Western Star 4900, 5700XE
Compatible with most trucks using 52"–54" axle spreads.
Important Information
- Ships unpainted and requires painting
- Always dry fit before painting
- Painted fenders are non-returnable
- Available with standard or flip-up bracket options
- Please provide truck year, make, and model when ordering for proper fitment
Have Questions?
Check out our Bad Ass FAQ and get answers before you buy.
Specifications
| Technical Specifications | |
| Single Fender Weight | 98 lbs |
| Fender Set Weight | 196 lbs |
| Material | 1/4" Fiberglass |
| Coating | Marine Grade Gray Gel Coat - Paint Ready |
| Liner | ArmorCore Advantage™ Liner - Lifetime Warranty Against Spider Cracks |
| Bracket System | Double Hump / Full Fender Brackets (Standard), Double Hump / Full Fender Bracket Set (Flip Up) |
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Premium Quality
Made in the USA Fiberglass Semi Truck Fenders
Proudly made in the U.S.A. in Seymour, Indiana, Bad Ass Custom Truck Parts hand-builds premium fiberglass semi truck fenders designed for real-world abuse. Our double hump and custom fiberglass fenders are engineered to handle serious miles, heavy loads, and brutal road conditions.
Every semi truck fender we build is made in the USA and backed by a lifetime warranty—so you get parts that don't just look tough, they perform. When you run Bad Ass fiberglass fenders, your truck is ready for whatever the road throws at it.














