Peterbilt 389 Full Radius Fenders

Frequently Asked Questions About Peterbilt 389 Full Radius Fenders

What materials are these full radius fenders made from, and how do they hold up over time?

Full radius fenders for the Peterbilt 389 are typically available in materials such as fiberglass, steel, and stainless steel. Fiberglass options are lightweight and resistant to dents, making them a popular choice for reducing overall vehicle weight, while steel and stainless steel fenders offer added durability and a heavier-duty feel. Stainless steel fenders also resist corrosion and are easier to keep looking polished over the long haul. The right choice depends on your priorities for weight, appearance, and long-term maintenance.

Will these fenders fit my Peterbilt 389 without modification?

Full radius fenders are designed specifically for the Peterbilt 389 body style, but fitment can vary slightly depending on the exact configuration of your truck, such as tire size, suspension setup, and existing fender mounts. It's important to check the product specifications and compare them to your truck's setup before ordering. If you have a custom or modified chassis, some minor adjustments during installation may be necessary.

Are these fenders sold individually or as a set, and do they come pre-drilled?

This varies by product listing, so it's important to check each item's description carefully. Some full radius fenders are sold individually, while others come as a matched pair. Pre-drilling also differs between manufacturers and finishes, with some fenders arriving ready to mount and others requiring you to drill your own holes to match your specific mounting brackets and hardware.

What finish options are available, and do I need to paint or coat them after purchase?

Full radius fenders are commonly available in raw or unfinished fiberglass, primed fiberglass, and polished or brushed stainless steel. Raw fiberglass fenders will need to be painted to match your truck and protect the surface from the elements, while primed versions are ready for a topcoat. Stainless steel fenders generally do not require painting but may benefit from routine polishing to maintain their shine.

How difficult is it to install full radius fenders, and will I need extra hardware or brackets?

Installation difficulty depends on whether your truck already has compatible mounting brackets and support braces in place. In many cases, you will need fender brackets, braces, and mounting hardware, which are sometimes sold separately from the fenders themselves. We recommend reviewing the product listing to confirm what is included and planning for professional installation if you're not experienced with bodywork, especially to ensure proper alignment and clearance around the tires.