Plastic trailer fenders offer a lightweight, corrosion-resistant alternative to metal, with built-in steps or skirts for convenient access. This guide highlights top picks ideal for common single-axle and small trailer setups. Best for boat trailers, utility trailers, and small cargos, these selections balance protection, maintenance, and cost. Below, compare features, fitment, and limitations to help you choose confidently.
| Product | Wheel Fitment | Key Benefit | Best For |
|---|---|---|---|
| ECOTRIC 2 Pcs Trailer Fenders W/Steps | 13″ wheels, single-axle | Built-in fender skirt, optional step pad | Trailers needing convenient access and protection |
| ECOTRIC Set Of 2 Single Axle 13″ Fenders | 13″ wheels, single-axle | Longer length with skirt, sturdy HDPE | Single-axle trailers seeking full coverage |
| Tie Down Black 5.19″ Small Trailer Fender | Overall tire diameter ~5.19″ | UV-protected, high-impact polyethylene | Small trailers with compact wheels |
| Tie Down White 5.19″ Small Trailer Fender | Overall tire diameter ~5.19″ | UV-protected, high-impact polyethylene | Small trailers needing clean appearance |
| Tie Down Made In USA 13″ Fender Pair | 13″ wheels, 2 pack | Verified fitment guidance, broad utility | Various 13″ wheel trailers |
ECOTRIC 2 Pcs Trailer Fenders W/Steps
Best for single-axle trailers that use 13″ diameter wheels, these HDPE fenders measure 29″ (L) x 9″ (W) x 12″ (H). They include a built-in fender skirt and an optional step pad for easier access to the trailer bed. The design prioritizes impact resistance and weather durability, making them suitable for frequent highway use and outdoor exposure. Consider these when you want a long, integrated look with practical stepping support.
- Fitment: 13″ diameter wheels on single-axle trailers.
- Material: High density polyethylene for impact resistance.
- Capacity: 300 lb rated.
- Colors: Black option available.
Best for: Owners who want an all-in-one fender plus step solution, especially useful for loading and unloading with side access. Choose this if you value an integrated skirt and easy step access; avoid if your wheel size isn’t 13″ or if you prefer a steel or metal look.
Caution: Confirm exact wheel diameter before purchase; incorrect size may reduce protection or fit.
ECOTRIC 13″ Set Of 2 Trailer Fenders
These fenders are designed for single-axle trailers with 13″ wheels and include two fenders per purchase. They provide a maximum capacity of 300 lbs and a length of 33.27″ with a width of 7.28″ and a height of 11.4″. The molded-in color is scratch-resistant, and there is a built-in fender skirt plus an optional step pad. This set is ideal when you want symmetrical coverage on both sides of a single axle.
- Fitment: 13″ wheels; single-axle trailers.
- Material: HDPE; weather-resistant.
- Dimensions: 33.27″ L x 7.28″ W x 11.4″ H.
- Features: Built-in skirt, optional step.
Best for: Trailer owners needing a matched pair for complete side-to-side coverage. Better for: those prioritizing a compact height profile with durable plastic. Caution: Verify actual outer diameter and width of the tires to ensure full compatibility.
Tie Down Black 5.19″ Small Trailer Fender
This set is built for small trailer wheels with an overall tire diameter around 5.19 inches. Made from UV-protected high-impact polyethylene, these fenders are designed to resist fading, cracking, and rust. The dimensions—20.90″ L, 7.75″ W, 5.19″ H—provide a sleek, protective shield without excessive bulk.
- Material: UV-protected high-impact polyethylene.
- Fitment: For ~5.19″ overall tire diameter.
- Dimensions: 20.90″ L x 7.75″ W x 5.19″ H.
- Pros: Lightweight, durable, low maintenance.
Best for: Small trailers and light-duty setups needing a compact, protective fender. Better for: lightweight applications where height and weight matter. Caution: Confirm mounting fitment for your specific trailer frame before ordering.
Tie Down White 5.19″ Small Trailer Fender
White variant of the compact 5.19″ fender, built with UV-protected high-impact polyethylene for durability in outdoor environments. Includes a built-in fender skirt and shares the same compact footprint as the black version, offering a clean aesthetic for light-duty trailers.
- Material: UV-protected high-impact polyethylene.
- Fitment: ~5.19″ tire diameter.
- Dimensions: 20.90″ L x 7.75″ W x 5.19″ H.
- Appearance: White finish for a bright trailer look.
Best for: Trailers requiring a bright, uniform look and dependable small-wheel protection. Better for: users who want color variety to match their trailer. Caution: White finishes may show dirt more quickly; routine cleaning helps maintain appearance.
Tie Down USA 13″ Fender Two-Pack
Made in the USA, this two-pack fender set is designed for multiple 13″ wheel trailers, offering a robust solution for owners needing reliable, long-lasting coverage. The product listing emphasizes compatibility with a range of 13″ wheel setups and stresses careful measurement before purchase to ensure proper fit.
- Fitment: 13″ wheels; two fenders per pack.
- Material: Plastic, durable for outdoor use.
- Dimensions: 40.38″ L x 9.09″ W x 12.18″ H (per fender); verify mounting layout.
- Care: Best used on trailers where mounting slots align with stated spacing.
Best for: Trailer owners seeking a USA-made option with broad 13″ wheel compatibility. Better for: those who want a straightforward, two-fender solution without skirt features. Caution: Always verify mounting slot spacing and tire clearance for your specific trailer.
Buying Guide: How To Choose The Right Plastic Fender
What size wheels does your trailer use? Most plastic fenders target common 13″ wheels or smaller 5.19″ overall tire diameters. Measure your tire diameter, wheel width, and mounting slot spacing before buying. If you want a built-in step or skirt, consider fenders labeled with those features; they add convenience but may increase height or pricing.
Durability and environment matter. UV-protected, high-impact polyethylene resists fading and cracking in sun and road conditions. For marine or boat trailers, choose HDPE or similar plastics designed to withstand splash and salt exposure. If appearance matters, select colors that match or complement your trailer’s finish—black and white are common, with white showing dirt more readily.
Single-axle versus tandem setups. Some fenders are sold in pairs and are optimized for single-axle trailers; others specify compatibility for tandem axles or larger boats. Always confirm that the product’s stated fitment aligns with your trailer’s axle count and wheel size to avoid improper protection or clearance issues.
Installation and mounting. Review whether the fenders require separate brackets or mounting hardware, and inspect the provided mounting slot dimensions and hole patterns. If your trailer frame differs from standard patterns, you may need adaptors or custom mounting work. Consider whether you want fully enclosed coverage or a more open wing design depending on debris exposure in your area.
Budget and maintenance. Plastic fenders generally offer lower maintenance than metal counterparts. They resist rust and corrosion, but you should still check for cracks after heavy impacts or repeated loading. If you’re swapping from metal to plastic, ensure the mounting points align and that the fender’s backside won’t interfere with tires or frame components.
Frequently Asked Questions
- What wheel size should I choose for my trailer fender?
Check your tire diameter and wheel width; most common options are 13″ wheels or small 5.19″ overall diameter tires. Choose a fender that explicitly lists your wheel size and axle count. - Are plastic fenders as durable as metal?
Plastic fenders, especially HDPE and UV-protected variants, resist rust and corrosion and perform well in weather. They may be less rigid than metal in extremely heavy impact scenarios, so assess expected road debris and impact risk. - Do fenders with built-in steps require extra mounting space?
Yes. Built-in steps add height and may need more clearance above the tire. Confirm there’s adequate space for stepping without contact with the trailer or tire. - Can I install fenders myself, or do I need a professional?
Most plastic fenders are DIY-friendly with standard mounting hardware. Verify compatibility with your trailer’s mounting slots and brackets, and use proper tools to avoid frame damage. - What should I verify before ordering a fender for a 13″ wheel trailer?
Confirm wheel size, axle configuration, mounting slot spacing, total width, and clearance to the tire. Mismatched dimensions can lead to rubbing or insufficient protection. - Do these fenders come in different colors or finishes?
Some models offer black or white finishes. Color choices can affect appearance and maintenance needs; white may show dirt more quickly than black.