Tie Down Aluminum Diamond-Plated Trailer Fender — Single-Axle, 33.74" L x 14.88" H for 13–15" Wheels

Tie Down’s aluminum diamond-plated trailer fender is a single-axle replacement fender engineered to fit wheel assemblies with an overall diameter of approximately 14.88" and built for long-lasting corrosion resistance and impact protection.

This single fender from Tie Down is fabricated from 12-gauge (0.08 in.) aluminum with a diamond-plate finish and sized at 33.74" long, 9" wide, and 14.88" tall. It’s intended for single-axle trailers using 13–15" wheels when the tire plus wheel assembly measures about 14.88" overall diameter. The combination of thicker aluminum and a raised tread pattern gives a lightweight yet rigid shield that stands up to road spray, gravel, and marine conditions. Note that mounting brackets are not included and must be purchased separately.

How do I confirm this fender will fit my trailer wheels?

Measure the overall diameter of your mounted and inflated tire plus wheel — this fender requires roughly 14.88" overall tire diameter for proper coverage. It works with 13–15" wheel diameters when the tire builds the final assembly to that height.

• Measure from ground to top of mounted tire to verify 14.88" overall diameter.
• Confirm wheel diameter (13–15") and tire sidewall profile combine to meet the overall height.
• Account for suspension sag and loading when measuring for precise clearance.

What materials and finish protect this fender from corrosion?

The fender is made from heavy 12-gauge (0.08 in.) aluminum, which resists rust and is ideal for wet or salty environments. A diamond-plated surface adds abrasion resistance and hides scuffs while increasing stiffness.

• 12-gauge aluminum resists rust better than steel without extra coatings.
• Diamond plate finish protects against chips and hides wear.
• Lightweight construction reduces added trailer weight while maintaining strength.

How does installation work and what else do I need?

The product ships as a single fender panel; mounting hardware and brackets are not included. Plan for simple bolt-on installation if you have compatible brackets or a fabrication shop can fit custom mounts.

• Purchase or fabricate mounting brackets sized to the fender and trailer frame.
• Use corrosion-resistant fasteners (stainless or zinc-plated) for longevity.
• Pre-fit and check clearances before final drilling and bolting.

How durable is this fender for trailering and marine use?

The thicker aluminum and diamond plate texture provide a durable barrier against road debris and splashes common in marine and coastal hauling. The design balances impact resistance and low maintenance compared with painted steel fenders.

• Withstands normal road debris and spray without corroding.
• Diamond plate reduces visible scratches and scuffs during use.
• Lightweight yet rigid to minimize vibration and fatigue on single-axle setups.

Who is this for? This Tie Down aluminum diamond-plated fender is aimed at trailer owners and builders who need a robust, low-corrosion single-axle replacement for 13–15" wheels where the mounted tire assembly reaches about 14.88" overall. It’s a good fit for boat trailers, utility trailers, small equipment haulers, and anyone who prefers American-made components with a durable finish. If you need brackets or a custom fit, plan to source compatible mounts before installation.