Boat Trailer Parts & Upgrades

Find the parts you need to repair, replace, or upgrade your boat trailer. Whether you're fixing something that's worn out or making your trailer easier to load, tow, and launch, we'll help you find the right place to start.

What's Going On With Your Boat Trailer?

Choose what you're working on below.

HARD TO LOAD YOUR BOAT?

Make loading and launching easier

NEED TO SECURE YOUR BOAT?

Keep your boat positioned and secured for travel

TRAILER LIGHT PROBLEMS?

Repair trailer lights, wiring, and connections

NOISE OR TROUBLE AT THE WHEELS?

Find wheel, bearing, suspension, and tire parts

NEED OTHER TRAILER REPAIRS?

Find brakes, jacks, fenders, and couplers

HARD TO LOAD YOUR BOAT?

Make loading and launching easier

NEED TO SECURE YOUR BOAT?

Keep your boat positioned and secured for travel

TRAILER LIGHT PROBLEMS?

Repair trailer lights, wiring, and connections

NOISE OR TROUBLE AT THE WHEELS?

Find wheel, bearing, suspension, and tire parts

NEED OTHER TRAILER REPAIRS?

Find brakes, jacks, fenders, and couplers

Load & Launch Your Boat

If your boat is difficult to line up, pull onto the trailer, or launch, these parts can help guide and support your boat as it moves on and off the trailer.

CE Smith Post-Style Guide-Ons for Boat Trailers.

GUIDES & GUIDE-ONS

Help center your boat as you load

2-Speed Boat Trailer Winch with 20' Strap and Brake.

BOAT TRAILER WINCHES

Pull your boat forward onto the trailer

CE Smith Deep V Keel Roller Assembly for Boat Trailers - Galvanized Steel/Black Rubber.

ROLLERS

Help your boat move more easily during loading and launching

CE Smith carpeted bunk boards for boat trailer.

BUNK BOARDS AND HARDWARE

Replace worn supports that cradle your hull

CE Smith y-style bow stop for boat trailers.

BOW STOPS

Help position the bow against the trailer

KEEL PADS

Protect the keel at trailer contact points

Secure Your Boat for Travel

Keep your boat from shifting while you're towing with straps and tie-downs designed for different points on the boat and trailer.

BoatBuckle G2 retractable transom tie-down straps.

TRANSOM STRAPS

Secure the stern to the trailer

BoatBuckle G2 retractable bow tie-down strap.

BOW STRAPS

Secure the bow while towing

BoatBuckle G2 Retractable, Ratcheting Gunwale Tie-Down Straps.

GUNWALE STRAPS

Secure your boat across its width

BoatBuckle Snap-Lock boat cover tie-down straps.

BOAT COVER STRAPS

Keep your boat cover secured for travel

BoatBuckle personal watercraft cam buckle tie-down strap.

PWC STRAPS

Secure a personal watercraft to its trailer

TROLLING MOTOR STRAPS

Keep your trolling motor secured for travel

Fix Trailer Lights & Wiring

If your trailer lights aren't working, start with what's failing. You may need to replace a light, repair a connection, or replace damaged wiring or a connector.

Optronics Miro-Flex red LED trailer tail light.

LED BOAT TRAILER LIGHTS

Replace or upgrade trailer lights

Optronics red incandescent trailer tail light.

INCANDESCENT BOAT TRAILER LIGHTS

Replace existing incandescent lights

Optronics Uni-Lite LED clearance and side marker light.

CLEARANCE & SIDE MARKER LIGHTS

Replace damaged marker lights

Hopkins 7-way RV style connector with molded cable.

TRAILER CONNECTORS

Replace a damaged plug connecting trailer and vehicle

Deka spool of black jacked 2-wire 10 guage brake wire.

WIRING & CABLE

Repair damaged wiring behind lighting problems

Optronics trailer harness plug protector.

PLUG COVERS

Protect your trailer plug when it's not connected

Fix a Rough or Noisy Ride

Hearing grinding near a wheel, noticing uneven tire wear, or seeing worn suspension parts? The cause matters. Start with the part that's showing signs of trouble, whether that's a bearing, hub, tire, spring, or axle.

BEARINGS, RACES, SEALS & CAPS

Service worn parts inside your wheel hubs

DeeMaxx 12" Hub/Rotor Assembly - 6 on 5-1/2 - Maxx Coating.

TRAILER HUBS AND DRUMS

Replace worn wheel hubs or brake drums

BOAT TRAILER SUSPENSION

Repair worn springs and suspension components

Taskmaster Contender radial tire with white spoke wheel.

TIRE & WHEEL COMBOS

Replace worn or damaged tires and wheels

Taskmaster Vesper steel modular trailer wheel.

TRAILER WHEELS

Replace damaged or corroded wheels

BOAT TRAILER AXLES

Replace a damaged axle or axle assembly

More Boat Trailer Repairs & Maintenance

Replacing something that's worn, damaged, or corroded? Find the parts you need to keep your boat trailer ready for the road and the ramp.

BOAT TRAILER BRAKES

Repair or replace your trailer braking system

BOAT TRAILER JACKS

Support and move your trailer when it's unhitched

Fulton black single axle trailer fender.

TRAILER FENDERS

Replace damaged fenders and protect against road spray

BOAT TRAILER COUPLERS

Replace a worn coupler for a secure trailer connection

Protect Your Boat Motor During Transport

TRANSOM SAVERS

Taylor Made prop protector for 2-blade trolling motor.

PROP PROTECTORS

OUTBOARD MOTOR LOCKS

Taylor Made Outboard Motor Cover in Gray.

OUTBOARD MOTOR COVERS

Boat Trailer Guides & Help

How to Launch a Boat from a Trailer article.

Boat Trailer Guides: Which are Best article.

Boat Trailer Parts We've Installed & Tested

Boat trailers deal with water, corrosion, road debris, and repeated launches. We've replaced wiring, rebuilt bunk systems, swapped rollers, and worked with brakes and wheel-end components on trailers used in freshwater and saltwater.

That hands-on experience helps us understand how these parts fit, how they install, and what matters when you're repairing or upgrading your trailer. With more than 75 years of helping neighbors, 35,000+ installations, and over 1 million photos and videos, we can help you find the parts that make sense for your setup.

How can I make loading my boat easier?

Guide-ons can help center your boat as you load, while rollers or properly positioned bunks help support the hull and make loading and launching easier. A trailer winch helps pull the boat forward and into position.

What boat trailer parts should I inspect regularly?

Check your lights, wiring, tires, bearings, bunks, rollers, and tie-downs regularly. Since boat trailers are frequently exposed to water, pay special attention to corrosion, damaged electrical connections, and worn components around the wheels and hull supports.

Should I use galvanized parts on my boat trailer?

Galvanized steel is commonly used on boat trailers because its protective coating helps resist corrosion. It's especially useful for parts regularly exposed to water, although any boat trailer hardware should still be inspected for corrosion and wear.

How do I keep my boat secure while towing?

Bow and transom tie-downs help secure your boat to the trailer. Depending on your boat and trailer setup, gunwale straps may provide additional securement. Make sure your bow stop, winch, and tie-downs are properly positioned before towing.

How do I know which replacement parts fit my boat trailer?

Start with the part you're replacing and look for measurements, capacity, mounting dimensions, or part numbers when available. Boat trailers aren't always identified by year, make, and model the way vehicles are, so matching the specifications of the existing part is often the best place to start.

Get Help With Your Boat Trailer

Tell us what you're trying to repair or improve and what you know about your boat and trailer. Measurements, part numbers, and photos of the existing setup can help. Call, chat, or send us a message, and we'll help you find the right boat trailer parts for your setup.