Choosing aluminum diamond plate fenders can protect trailers from debris, corrosion, and wear while enhancing the vehicle’s appearance. The following selections emphasize strong construction, corrosion resistance, and compatibility with common trailer wheel sizes. This guide summarizes five well-regarded options and highlights what to look for when evaluating fit and durability.
Summary of Selected Products
| Product | Brand | Wheel Fit | Dimensions | Notes |
|---|---|---|---|---|
| Tie Down 16″ Wheels Trailer Fenders (2 Fenders) | Tie Down | 13-16″ overall | 34″ L x 10″ W x 18″ H | Diamond plate aluminum, USA-made option |
| RecPro Tandem Fender | RecPro | Tandem axles | 9″ x 72″ x 20″ (per fender) | Diamond plate, Made in USA |
| Tie Down 34″ L Trailer Fenders (2 Fenders) | Tie Down | 13-16″ wheels; 18″ overall diameter | 34″ L x 10″ W x 18″ H | 12-ga aluminum, USA-made |
| Tie Down 33.74″ L Trailer Fender (1 Fender) | Tie Down | 13-16″ wheels; 14.88″ diameter | 33.74″ L x 9″ W x 14.88″ H | 12-ga aluminum, USA-made |
| Tough Grade 2-Pack Aluminum Diamond Plate Fenders | Tough Grade | 13″-15″ tires | 10″ x 36″ x 18″ (per pair) | American-made, durable and sleek |
Tie Down 16″ Wheels Diamond Plate Trailer Fenders

Made from .063 inch diamond plated aluminum, this set offers heavy-duty durability, strong corrosion resistance, and a robust profile suitable for single-axle trailers. It fits tire assemblies ranging from 13 to 16 inches overall, making it a versatile option for many trailer configurations. The dimensions—34 inches long, 10 inches wide, and 18 inches tall—provide substantial coverage and an enhanced exterior look for pickup or utility trailers.
RecPro Tandem Fender in Diamond Plate

This tandem fender is designed for multiple-axle trailers and is crafted from durable .056” 3003 aluminum. Its diamond plate finish provides corrosion resistance and a rugged appearance. Made in the USA, it’s positioned as a reliable option for trailers requiring additional coverage along tandem axles, with durability suited for long road use and frequent exposure to the elements.
Tie Down 34″ L Trailer Fenders (2 Fenders)

These fenders use 12-gauge, 0.08 inch aluminum to provide strength, rust resistance, and long-term performance in varied weather and marine environments. They are designed to cover wheel assemblies with an overall diameter of about 18 inches, typically pairing with a 15-inch tire. The mounting is drillable to fit multiple single or dual-axle configurations, though mounting brackets are sold separately.
Tie Down Single Axle Fender (1 Fender)

Premium construction uses 12-gauge, 0.08 inch aluminum for reliable strength and corrosion resistance, making it suitable for all weather and marine environments. It is intended for trailers with 13 to 16 inch wheels and requires the tire to produce a 14.88 inch overall diameter for correct fit and full coverage. Made in the USA with local support, this option emphasizes accessibility for American buyers.
Tough Grade 2-Pack Aluminum Diamond Plate Fenders

This pair of fenders is crafted in the USA from high-quality aluminum diamond plate, designed to fit trailers with 13–15 inch tires. The 10″ x 36″ x 18″ dimensions provide ample coverage and protection while delivering a sleek, rugged look for car haulers and cargo trailers. The American-made construction supports durability and local support for ongoing use.
Buying Guide
- Wheel compatibility: Confirm the overall tire diameter your trailer uses (often 14.88″ to 18″ overall) to ensure a proper fit and full coverage.
- Material and finish: Aluminum diamond plate offers corrosion resistance and a distinctive look; verify thickness (often 0.08 in to 0.063 in) to balance strength and weight.
- Mounting and hardware: Some fenders require separate mounting brackets or hardware. Check whether installation brackets are included or sold separately and ensure your trailer supports drilled mounting points.
- Axle configuration: Tandem vs. single-axle trailers affect Fender dimensions and mounting; choose accordingly for coverage and alignment with wheels.
- Made in USA and support: For buyers prioritizing domestic production and local customer support, seek options proudly manufactured in the USA with accessible support lines.
- Durability in use: Consider environments—coastal, marine, or heavy-duty work—when evaluating coating, rivets, and overall rigidity to withstand road salts and water exposure.
- Aesthetics and protection: Diamond plate finishes deliver a rugged appearance while offering effective debris protection; balance cosmetic preferences with practical protection needs.