Peterbilt 389 Rear Fenders
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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.




























