Choosing the right tandem axle trailer fenders is essential for protecting your enclosed trailer and its tires on long hauls and rough roads. This guide highlights five compatible fender options designed for 13″–15″ tires, focusing on durability, weldable design, and straightforward installation. Whether you’re outfitting a 12-foot trailer or upgrading worn components, these selections offer reliable coverage for tandem-axle applications.
| Product | Brand | Key Fit | Material | Notes |
|---|---|---|---|---|
| 2Pcs Tandem Trailer Fenders Double Axle | Garvee Store | 13″–15″ tires | 14-gauge steel | 66″ L x 9.1″ W x 20″ H; weldable sides |
| ECOTRIC 2Pcs Tandem Trailer Fender | ECOTRIC Store | 13″–15″ tires | Cold rolled steel | 66.5″ x 9″ x 18.37″; tear-drop center |
| Polar Trailer 8251 Tandem Axle Kit | Polar Trailer Store | Two wheels, two tandem arms | Steel (kit) | Compatible with Polar HD1200/HD1500 |
| ECOTRIC Tandem Axle Trailer Fenders | ECOTRIC Store | 13″–15″ tires | 14-gauge steel | 72-7/8″ x 10-1/4″ x 13″; diamond tread |
| 2 Pack Trailer Fender, 66″ x 9.1″ x 20″ | Garvee Store | 13″–15″ tires | 14-gauge steel | Weldable surfaces; easy installation |
Note: All listed dimensions accommodate typical 13″–15″ trailer wheels and are suitable for tandem-axle configurations common on 12-foot enclosed trailers. Installation often involves welding or bracket mounting, with pre-drilled holes or weldable surfaces to simplify alignment and secure attachment.
2Pcs Tandem Trailer Fenders Double Axle

These 66″ long fenders (66″ L x 9.1″ W x 20″ H) are designed for tandem-axle trailers with 13″–15″ tires. They use heavy-duty 14-gauge steel with weldable surfaces on both sides, enabling secure attachment to the trailer frame or brackets. Pre-drilled holes simplify installation, whether you’re a pro or a DIY enthusiast. The welded-on construction helps shield tires from road debris and provides robust protection for the trailer body during transport.
ECOTRIC 2Pcs Tandem Trailer Fender

This pair features a teardrop center and is designed for most 13″–15″ tires on tandem-axle trailers. The fenders are typically welded to the trailer frame or mounted with hardware. They provide important protection against debris and help guard the tires from impacts. The cold-rolled steel construction adds durability for long-term use on enclosed trailers commonly used in hauling and landscaping applications.
Polar Trailer 8251 Tandem Axle Kit

The Polar 8251 kit is a tandem-axle assembly designed for compatibility with Polar HD1200 and HD1500 trailers. It covers essential components for tandem tires and arms, aiding in consistent protection and alignment. This option is suitable for customers seeking a packaged approach to upgrading or replacing tandem axle components on compatible enclosed trailers.
ECOTRIC Tandem Axle Trailer Fenders

This pair of tandem-axle fenders uses a rugged 14-gauge steel construction with a diamond tread plate style. They are built to be welded to the trailer frame or brackets, with welding surfaces on both sides for secure installation. The dimensions (72-7/8″ Long x 10-1/4″ Wide x 13″ Tall) fit most 13″–15″ tires and provide heavy-duty protection for cargo trailers, utility trailers, and landscape trailers.
2 Pack Trailer Fender, 66″ x 9.1″ x 20″

This two-pack features 66″ L x 9.1″ W x 20″ H heavy-duty fenders for tandem-axle trailers. Made from 14-gauge steel with weldable surfaces on both sides, these fenders deliver reliable tire protection and straightforward mounting. They’re compatible with most 13″–15″ trailer wheels, supporting efficient upgrades for car haulers, cargo trailers, utility trailers, and landscape trailers alike.
Buying Guide: Key Purchase Considerations for 12 Ft Tandem Axle Enclosed Trailers
- Fitment: Confirm tire size (13″–15″) and axle configuration to ensure the fenders match the intended trailer. Length and height should align with your wheelbase and mounting points.
- Material and Build: Look for 14-gauge steel or equivalent heavy-duty construction for long-term durability. Weldable surfaces on both sides improve mounting stability and debris protection.
- Installation Method: Decide between welding and hardware mounting. Welding offers a more secure, permanent fit, while hardware mounting can be more flexible for non-welded frames.
- Armor and Coverage: Ensure the fender design provides ample coverage to shield tires and trailer sides from road spray and debris during transport.
- Compatibility with Enclosed Trailers: Some fenders are specifically marketed for enclosed trailers or car haulers; verify the package includes styles suitable for fully enclosed applications.
- Maintenance and Visibility: Choose finishes that resist rust and corrosion. If visibility or reflectivity is a concern, consider adding reflective tape or coatings as needed.
- Repairability: Weldable surfaces can simplify field repairs. Look for pre-drilled holes to speed up alignment and installation in case brackets are used.
- Warranty and Support: Check vendor warranty and return policies for aftermarket trailer components to protect your investment over time.