Peterbilt 389 Rear Fenders

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Single Composite Rear Fender Set - Bad Ass Custom Truck PartsSingle Composite Rear Fender Set - Bad Ass Custom Truck Parts
Sale priceFrom $1,097 Freight Included
Single Composite Rear Fender Set
8 reviews
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Standard Bad Ass Full Fender Set - Bad Ass Custom Truck PartsStandard Bad Ass Full Fender Set - Bad Ass Custom Truck Parts
Sale price$1,897 Freight Included
Standard Bad Ass Full Fender Set
5 reviews
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Project Two Double Hump Rear Fender Set - Bad Ass Custom Truck PartsProject Two Double Hump Rear Fender Set - Bad Ass Custom Truck Parts
Sale price$1,997 Freight Included
Project Two Double Hump Rear Fender Set
20 reviews
Project One Double Hump Rear Fender - Bad Ass Custom Truck PartsProject One Double Hump Rear Fender - Bad Ass Custom Truck Parts
Sale price$1,997 Freight Included
Project One Double Hump Rear Fender
15 reviews
Project One Single Rear Fender Set - Bad Ass Custom Truck PartsProject One Single Rear Fender Set - Bad Ass Custom Truck Parts
Sale priceFrom $1,099 Freight Included
Project One Single Rear Fender Set
2 reviews
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Stealth Double Hump Rear Fenders - Bad Ass Custom Truck PartsStealth Double Hump Rear Fenders - Bad Ass Custom Truck Parts
Sale priceFrom $1,997 Freight Included
Stealth Double Hump Rear Fenders
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Single Fender 22.5" Super Lo Pro or 19.5" - Bad Ass Custom Truck PartsSingle Fender 22.5" Super Lo Pro or 19.5" - Bad Ass Custom Truck Parts
Sale priceFrom $1,099 Freight Included
Single Fender 22.5" Super Lo Pro or 19.5"
1 review
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Single Fender with Light Box - Bad Ass Custom Truck PartsSingle Fender with Light Box - Bad Ass Custom Truck Parts
Double Hump Fender with Wide Stainless Strips - Bad Ass Custom Truck PartsDouble Hump Fender with Wide Stainless Strips - Bad Ass Custom Truck Parts
Sale priceFrom $2,998 Freight Included
Double Hump Fender with Wide Stainless Strips
1 review
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Save $548
Slow Ride Full Fender Set - Bad Ass Custom Truck Parts
Sale priceFrom $1,349 Regular price$1,897 Freight Included
Slow Ride Full Fender Set | Custom Semi Truck Rear Fenders
No reviews
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Super Single Rear Full Fender Set - Bad Ass Custom Truck PartsSuper Single Rear Full Fender Set - Bad Ass Custom Truck Parts
Sale priceFrom $1,897 Freight Included
Super Single Rear Full Fender Set
1 review
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Super Single Double Hump Rear Fender Set - Bad Ass Custom Truck PartsSuper Single Double Hump Rear Fender Set - Bad Ass Custom Truck Parts
Sale priceFrom $1,997 Freight Included
Super Single Double Hump Rear Fender Set
1 review
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Euro Double Hump Rear Fender Set - Bad Ass Custom Truck PartsEuro Double Hump Rear Fender Set - Bad Ass Custom Truck Parts
Sale priceFrom $1,997 Freight Included
Euro Double Hump Rear Fender Set
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Elite Double Hump Rear Fenders - Bad Ass Custom Truck PartsBajito Double Hump Rear Fenders - 7.5" Sidewall - Bad Ass Custom Truck Parts
Sale priceFrom $1,997 Freight Included
Elite Double Hump Rear Fenders
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Conventional Double Hump Rear Fender Set - Bad Ass Custom Truck PartsConventional Double Hump Rear Fender Set - Bad Ass Custom Truck Parts
Sale priceFrom $1,997 Freight Included
Conventional Double Hump Rear Fender Set
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Camello Double Hump Rear Fender Set - Bad Ass Custom Truck PartsCamello Double Hump Rear Fender Set - Bad Ass Custom Truck Parts
Sale priceFrom $1,997 Freight Included
Camello Double Hump Rear Fender Set
1 review
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Bajito Double Hump Rear Fenders - Bad Ass Custom Truck PartsBajito Double Hump Rear Fenders- Bad Ass Custom Truck Parts
Sale priceFrom $1,897 Freight Included
Bajito Double Hump Rear Fenders
1 review
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Peterbilt 389 Rear Fenders

Peterbilt 389 Rear Fiberglass Fenders

Upgrade your truck with premium Peterbilt 389 rear fiberglass fenders engineered for durability, precise fitment, and a clean, modern finish. Whether you’re replacing damaged factory components or completing a custom build, our 389 rear fenders are designed to match the body lines and mounting configuration of the Peterbilt 389 platform.

Built from reinforced fiberglass, these Peterbilt 389 rear fenders offer superior corrosion resistance, reduced weight compared to steel, and a smooth paint-ready surface ideal for both working trucks and show builds. Fiberglass construction provides long-term durability while maintaining the strength required for highway use and daily operation.


Direct Fit for Peterbilt 389 Models

Our rear fenders for Peterbilt 389 trucks are designed to align with factory mounting points and common suspension configurations. Proper fitment ensures:

• Clean wheel clearance
• Stable mounting
• Consistent alignment with 389 body panels
• Professional finish once installed

Before ordering, confirm:

• Model year of your Peterbilt 389
• Suspension type
• Wheelbase clearance
• Mounting hardware setup

If you need assistance verifying compatibility, our team is available to help ensure you select the correct 389 rear fender option.


Why Choose Fiberglass Rear Fenders for Your 389?

Heavy-duty trucks require components that withstand road debris, weather exposure, and long-haul conditions. Our Peterbilt 389 fiberglass rear fenders are built to deliver:

• Impact resistance against highway debris
• Long-term corrosion resistance
• Lightweight strength without sacrificing durability
• Smooth surface for custom paint applications
• Clean, modern styling to match 389 body lines

Whether your truck is used for work or built for appearance, fiberglass rear fenders provide a reliable and professional upgrade.


Complete Your 389 Setup – Front & Rear Packages Available

Many Peterbilt 389 owners choose to upgrade both front and rear fenders at the same time for a cohesive, high-end appearance. Pair your 389 rear fenders with matching front fenders to complete the look and streamline installation.

Explore:

Peterbilt 389 front fenders
• Complete 389 front and rear fender packages
Replacement fiberglass fenders for Peterbilt models

Bundled packages are available for drivers looking to upgrade their entire setup at once.


Fast Shipping & Secure Freight Delivery

All Peterbilt 389 rear fiberglass fenders are carefully packaged for safe freight transport. We provide tracking information and offer commercial delivery support to ensure your order arrives ready for prep, paint, and installation.

If you’re searching for durable, direct-fit Peterbilt 389 rear fenders, built for both performance and appearance, browse the collection below and upgrade your truck with confidence.

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