Single Composite Rear Fender Set – 30" or 38" Drop | 2.5", 3.5", or 5.5" Sidewall
Make a bold statement with a clean, low-profile stance — built for serious trucks that demand real durability. Available in multiple drop and sidewall configurations to match your exact build.
✔ ArmorCore Advantage™ Lifetime Warranty Against Spider Cracks
✔ 30" or 38" Drop Options
✔ 2.5", 3.5", or 5.5" Sidewall Options
✔ Double-Lined Composite Construction
✔ Made in the USA – Seymour, Indiana
Our double-lined composite fiberglass construction adds rigidity and impact resistance where it matters most. Inside, every fender is reinforced with our exclusive ArmorCore Advantage™ Mesh Liner, engineered to prevent spider cracks and structural breakdown.
No wood. No moisture absorption. No internal degradation. If you're building a truck to keep, this is the fender set that holds up.
Available in straight edge or returned edge configurations. The hidden bracket system ensures a clean install with no exposed hardware.
Finished in a smooth, paintable gel coat, ready to customize to match your build.
| Technical Specifications | |
| Height | 30" - 38" |
| Material | 1/4" Fiberglass |
| Coating | Marine Grade Gray Gel Coat - Paint Ready |
| Liner | ArmorCore Advantage™ Liner - Lifetime Warranty Against Spider Cracks |
| Bracket System | Bracket Set for Single Fenders | Heavy-Duty Semi Truck Fender Brackets |
Compatible Truck Brands:
- Peterbilt Trucks - Fits Peterbilt 379, 389, 567, and other models with 52"-54" axle spreads
- Kenworth Trucks - Compatible with Kenworth W900, T800, T680, and similar configurations
- Freightliner Trucks - Designed for Freightliner Classic, Coronado, and comparable models
- International Trucks - Fits International 9900i, ProStar, LoneStar, and other heavy-duty models
- Mack Trucks - Compatible with Mack Granite, Pinnacle, and similar chassis configurations
- Volvo Trucks - Designed for Volvo VNL, VNM, and other heavy-duty Volvo models
- Western Star Trucks - Fits Western Star 4900, 5700XE, and comparable configurations
Our hidden bracket system ensures a sleek, professional installation across all compatible truck brands. Choose between standard or hinged brackets for easy access to your truck's components.
Sold as a pair.
Important: These fenders are shipped unpainted and require professional painting. We recommend dry fitting before final installation. Please provide your truck's year, make, and model when ordering to ensure proper fitment.
Have Questions?
Check out our Bad Ass FAQ and get answers before you buy.
Specifications
| Technical Specifications | |
| Material | 1/4" Fiberglass |
| Coating | Marine Grade Gray Gel Coat - Paint Ready |
| Liner | ArmorCore Advantage™ Liner - Lifetime Warranty Against Spider Cracks |
| Bracket System | Bracket Set for Single Fenders | Heavy-Duty Semi Truck Fender Brackets |
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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.























