Best Fiberglass Fenders of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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Fiberglass fenders are a popular choice for vehicle owners who want to upgrade their ride's appearance and performance. These fenders are made from a lightweight and durable material that can withstand harsh weather conditions and off-road adventures. They also provide better clearance for larger tires and wheels, improving the overall handling and stability of the vehicle. Fiberglass fenders come in a variety of styles and designs, making it easy to find the perfect match for any make and model. Whether for aesthetics or performance, fiberglass fenders are a great investment for any vehicle owner looking to enhance their ride.

At a Glance: Our Top Picks

OEM Kenworth Truck Front Mudflap Pair Cover #TOP 1
OEM Kenworth Truck Front Mudflap Pair
ftb score rating icon 9.8
XSMDAUTO Fiberglass Hood Fender for Volvo VNL 2004-2017 Left Side Cover #TOP 2
XSMDAUTO Fiberglass Hood Fender for Volvo VNL 2004-2017 Left Side
ftb score rating icon 9.7
Speedway Motors 1930-31 Model A Right Rear Fender Cover #TOP 3
Speedway Motors 1930-31 Model A Right Rear Fender
ftb score rating icon 9.5

Top 5 Fiberglass Fenders

#TOP 1

OEM Kenworth Truck Front Mudflap Pair

Kenworth
KW-MF0001K
black
OEM Kenworth Truck Front Mudflap Pair Cover
OEM Kenworth Truck Red Logo Front Mudflap Pair Fits T800 86-2014 T800 (Curved Glass) 93-2012 W900B - W900B Aerocab 83-14 - W900L 90-14 - W900L Aerocab 94-14

The Kenworth Truck Mudflap Pair is a high-quality accessory designed specifically for Kenworth trucks. With ribbed front fender flaps and fiberglass back reinforcement, these mudflaps are built to last. The 1/4" thickness ensures durability and provides added protection to your truck's fenders. By installing these mudflaps, you can effectively prevent mud, rocks, and other debris from damaging your vehicle. They are compatible with various Kenworth truck models, including T800, W900B, and W900L. Enhance the appearance of your truck while keeping it clean and protected with the Kenworth Truck Mudflap Pair.

What We Like
Durable
Protective
Compatible with multiple Kenworth truck models
#TOP 2

XSMDAUTO Fiberglass Hood Fender for Volvo VNL 2004-2017 Left Side

UF-VVN-0231
Left
XSMDAUTO Fiberglass Hood Fender for Volvo VNL 2004-2017 Left Side Cover
Fiberglass Hood Fender Replacement for Volvo VNL 2004-2017 Left Driver Side,Black Color (Left)

The XSMDAUTO Volvo Hood Fender is designed to fit Volvo VNL trucks from 2004 to 2017 on the left driver side. This fender helps protect your engine, making maintenance and replacements easier for you. Made from durable fiberglass, it features a smooth, modern painted surface that enhances your truck’s appearance. Installation is straightforward and safe since no drilling is required, though it’s recommended to wear gloves to avoid injury. Overall, this fender offers both practical protection and a stylish upgrade for your semi truck.

What We Like
Engine protection
Durable fiberglass material
Easy installation
Modern painted surface
#TOP 3

Speedway Motors 1930-31 Model A Right Rear Fender

9003042-R
Plain
Speedway Motors 1930-31 Model A Right Rear Fender Cover
1930-31 Model A Right Rear Fender - 14 Inch Wide

The Speedway Model A Fender is designed to fit your 1930-31 Model A Roadsters, Coupes, and Pickups perfectly, ensuring compatibility with your classic vehicle. This fender is crafted to be 2.5 inches wider than the original, giving you a total width of 14 inches, which can help provide better coverage and protection. Made from durable heavy-duty fiberglass, it offers long-lasting strength while being lightweight. The glossy gelcoat finish not only enhances the fender’s appearance but also makes it easier to clean and maintain. Overall, this fender combines style and functionality for your vintage car.

What We Like
Fits multiple Model A styles
Wider coverage than stock
Durable heavy-duty fiberglass
Glossy, easy-to-clean finish
#TOP 4

Fender Extension for Freightliner FLD120

BESTfit Aftermarket Truck Parts
FL0518
White
Fender Extension for Freightliner FLD120 Cover
BestFit Fender Extension Fits Freightliner FLD120 Passenger Side - Right Outside, Black, Fiberglass

This fender extension is made of high-quality fiberglass to fit the passenger side of your Freightliner FLD120. It is a reliable aftermarket replacement part for OE Number 23-37670-001. Made in North America, this product comes with one fender extension included.

What We Like
High-quality fiberglass material.
Reliable aftermarket replacement for OE Number 23-37670-001.
Made in North America.
#TOP 5

Freightliner FLD120 Fender Extension Driver Side

BESTfit Aftermarket Truck Parts
FL0519
White
Freightliner FLD120 Fender Extension Driver Side Cover
BestFit Freightliner FLD120 Fender Extension - Left Outside, Black, Fiberglass

The BestFit Fender Extension is a high-quality fiberglass driver side fender extension designed to fit Freightliner trucks. It is a perfect replacement for the OE Number 23-37670-000. Before purchasing, it is important to inspect and test fit the fender extension to ensure proper fitment. This fender extension comes unpainted or primed, allowing you to customize it to match your truck's color. With its durable construction and precise fit, the BestFit Fender Extension not only enhances the appearance of your Freightliner FLD120 but also provides protection against road debris and other elements. Upgrade your truck with this top-quality fender extension today!

What We Like
Precise Fit
High-Quality Fiberglass
Enhances Appearance
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Who owns FiberwerX?

Owner Jason McNeil has over 15 years of desert racing experience in vehicles ranging from sportsmans trucks, to Trophy Trucks. The staff at FiberwerX can often be found at desert and short course racing events through out the southwest United States and Baja California.

Editor's Notes

During our fiberglass fender research, we found 24 fiberglass fender products and shortlisted 5 quality products. We collected and analyzed 1,309 customer reviews through our big data system to write the fiberglass fenders list. We found that most customers choose fiberglass fenders with an average price of $196.54.

The fiberglass fenders are available for purchase. We have researched hundreds of brands and picked the top brands of fiberglass fenders, including Kenworth, XSMDAUTO, Speedway Motors, BESTfit Aftermarket Truck Parts. The seller of top 1 product has received honest feedback from 621 consumers with an average rating of 4.9.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.