Towing & Trailering
Boat Towing & Trailering
Boat Trailer Parts, Towing Gear & Launch Ramp Essentials
Shop boat trailer parts and towing accessories for safer road trips, easier launch days, and better protection between home, storage, service, and the ramp. Find bow rollers, bow stops, trailer winches, brake actuators, hubs, bearings, lights, wiring, tie-down straps, safety chains, couplers, bunks, guide-ons, jacks, and trailer maintenance parts.
Trailer fitment can depend on boat weight, hull shape, axle rating, coupler size, brake type, wheel size, roller shaft size, and local towing requirements.
Popular Towing & Trailering Searches
Find the Trailer Part or Towing Accessory You Need
Use these links to narrow the collection by the part or job. When a dedicated collection is not available, the link opens a Marisol Marine product search.
Support & Retrieval
Rollers, Bunks, Winches, Stops, and Guide-Ons
The trailer should support the hull evenly, hold the bow securely, and help the boat load straight at the ramp. Match rollers, bunks, stops, shafts, brackets, and guide-ons to the trailer frame, hull shape, and boat weight.
Road Gear
Brakes, Bearings, Lights, Couplers, and Tie-Downs
Road safety depends on the trailer being rated, visible, connected, and secured properly. Check hubs, bearings, brakes, lights, tire condition, coupler fit, safety chains, and tie-downs before towing.
Secure the Boat
Use a bow connection, stern tie-downs, and properly rated straps so the boat cannot shift during braking, turns, or rough road conditions.
Check the Running Gear
Inspect tires, hubs, bearings, brakes, lights, wiring, coupler latch, safety chains, and the jack before every longer tow.
Launch With Control
Guide-ons, bunks, rollers, winches, and bow stops help line up the boat and reduce hull, trailer, and ramp stress.
Fitment Help
Measure Before Ordering Trailer Parts
Trailer parts often look similar but fit differently. Check roller width, shaft diameter, coupler ball size, axle rating, hub bolt pattern, brake type, light plug style, bunk bracket dimensions, and trailer frame size before ordering.
Related Boating Categories
Helpful Gear Around the Ramp, Dock, and Trailer
Towing & Trailering FAQ
Choosing Boat Trailer Parts
What should I check before towing a boat?
Check tire condition and pressure, wheel bearings, hub temperature, brake operation, lights, wiring, coupler latch, hitch ball size, safety chains, winch strap, bow eye connection, and stern tie-downs.
How do I choose the right bow roller or bow stop?
Match the roller or stop to the shaft diameter, bracket width, trailer geometry, hull contact point, and boat weight. Measure the old part when possible.
Are disc and drum brake actuators interchangeable?
No. Trailer brake actuators must be matched to disc or drum brakes, trailer weight rating, coupler size, brake-line layout, and the braking system installed on the trailer.
When should trailer bearings be inspected?
Inspect bearings before long trips, after submersion-heavy use, if a hub runs hot, if grease looks contaminated, or if you notice noise, wobble, vibration, or uneven tire wear.
Shop Boat Towing & Trailering Equipment
Find trailer parts, towing gear, launch accessories, and maintenance items for safer road trips and smoother ramp days.
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Trimax UMAX50D UMAX 50D Universal Trailer Lock
One size fits all! Fits all coupler types in sizes 1-7/8", 2" and 2-5/16". Has a hardened 5/8"-16mm steel shackle. With rugged corrosion resistant ...
View full detailsB&W TS10037B Trailer Hitches Tow & Stow Dual Ball Receiver Hitch | Fits Standard 2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any standard 2" r...
View full detailsB&W TS10033B Trailer Hitches Tow & Stow Dual Ball Receiver Hitch | Fits Standard 2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any standard 2" r...
View full detailsB&W TS20066BMP Multipro Tow & Stow™ Dual Ball Receiver Hitch, Fits Any 2-1/2" Receiver
The MultiPro Tow & Stow has been designed specifically to work with GM's MultiPro tailgate. Just lock it in your receiver, stow the ball assemb...
View full detailsB&W TS20049B Trailer Hitches Tow & Stow Tri Ball Receiver Hitch | Fits 2-1/2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any 2-1/2" receiv...
View full detailsB&W TS20048B Trailer Hitches Tow & Stow Tri Ball Receiver Hitch | Fits 2-1/2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any 2-1/2" receiv...
View full detailsB&W TS20040B Trailer Hitches Tow & Stow Dual Ball Receiver Hitch | Fits 2-1/2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any 2-1/2" receiv...
View full detailsB&W TS20037B Trailer Hitches Tow & Stow Dual Ball Receiver Hitch | Fits 2-1/2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any 2-1/2" receiv...
View full detailsB&W TS10064BMP Multipro Tow & Stow™ Tri Ball Receiver Hitch, Fits Any 2" Standard Receiver
The MultiPro Tow & Stow has been designed specifically to work with GM's MultiPro tailgate. Just lock it in your receiver, stow the ball assemb...
View full detailsB&W TS10063BMP Multipro Tow & Stow™ Dual Ball Receiver Hitch, Fits Any 2" Standard Receiver
The MultiPro Tow & Stow has been designed specifically to work with GM's MultiPro tailgate. Just lock it in your receiver, stow the ball assemb...
View full detailsB&W TS10049B Trailer Hitches Tow & Stow Tri Ball Receiver Hitch | Fits Standard 2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any standard 2" r...
View full detailsB&W TS10048B Trailer Hitches Tow & Stow Tri Ball Receiver Hitch | Fits Standard 2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any standard 2" r...
View full detailsB&W TS10047B Trailer Hitches Tow & Stow Tri Ball Receiver Hitch | Fits Standard 2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any standard 2" r...
View full detailsB&W TS10040B Trailer Hitches Tow & Stow Dual Ball Receiver Hitch | Fits Standard 2" Receiver
Multiple ball sizes eliminate the need for multiple ball mounts. This trailer hitch stows under the vehicle when not in use. Fits any standard 2" r...
View full detailsTrimax TRC126 Quadra-Braid 6' x 12mm Cable Lock with Combination & Quick Release Bracket
Quadra-Braid Cable for Max Security Soft self coiling, braided cable Quick release bracket included PVC protective coating to prevent surface scra...
View full detailsTrimax Coupler Lock
Coupler lock and locking pin Easy 1/4 turn locks & unlocks head Can't pop open or be falsely locked Patented design incorporates O-ring and wa...
View full detailsTrimax Coupler Lock
Coupler lock and locking pin Easy 1/4 turn locks & unlocks head Can't pop open or be falsely locked Patented design incorporates O-ring and wa...
View full detailsTrimax Solid Brass Waterproof Padlock Keyed Alike (3 Per Pack)
Water resistant PVC housing covers.Laminated solid brass lock body
Trimax T3 Receiver Locking Pin Fits All Class III, IV & V Receiver Hitches, Chrome
Easy 1/4 turn locks & unlocks head Can't pop open or be falsely locked Machined hardened steel, new improved triple plated chrome finish
Trimax Receiver Locking Pin Fits All Class III, IV & V Receiver Hitches
Easy 1/4 turn locks & unlocks head Can't pop open or be falsely locked Machined hardened steel, new improved triple plated chrome finish Fits ...
View full detailsTrimax Keyed Alike Receiver and Coupler Lock Set Fits Class III Trailer Receivers (Includes TC2 and T3)
Easy operation - 1/4 turn locks & unlocks head. Can't pop open or be falsely locked. Exclusive design incorporates O-Rings and water tight cap ...
View full detailsTrimax SXTX200 Flip-Tip Stainless Steel Receiver Pin, 5/8"
Non-locking receiver pin
Trimax Keyed Alike Receiver and Coupler Lock Set Fits Class III Trailer Receivers (Includes TC1 and T3)
Easy operation - 1/4 turn locks & unlocks head. Can't pop open or be falsely locked. Exclusive design incorporates O-Rings and water tight cap ...
View full detailsTrimax TKC126 Quadra-Braid 6 x 12mm Keyed Cable Lock
Quadra-Braid Cable for Max Security Soft self coiling, braided cable Quick release bracket included PVC protective coating to prevent surface scra...
View full detailsTrimax Keyed Alike Receiver and Coupler Lock Set Fits Class III Trailer Receivers (Includes TC1 and T3)
Easy operation - 1/4 turn locks & unlocks head. Can't pop open or be falsely locked. Exclusive design incorporates O-Rings and water tight cap ...
View full detailsTrimax Stainless Steel Coupler Lock
100% stainless steel coupler lock and locking pin Easy 1/4 turn locks & unlocks head Can't pop open or be falsely locked Patented design incor...
View full detailsTrimax Stainless Steel Coupler Lock
100% stainless steel coupler lock and locking pin Easy 1/4 turn locks & unlocks head Can't pop open or be falsely locked Patented design incor...
View full detailsTrimax Special Purpose Locking Pin and Clip
Made of high triple plated steel.
Trimax Special Purpose Locking Pin and Clip
Made of high triple plated steel.
Trimax TRZ8ALRP Adjustable 8' Drop Aluminum RV Hitch
Machined From Solid Billit Aluminum Drop/Rise Adjusts in 1" increments With Ball Mount Pin & Clip Design Includes Dual Hitch ball (2" & 2-...
View full detailsTie Down Engineering Safety Chain With S-Hooks on Both Ends
Zinc plated trailer chains with S-hooks.
Tie Down Engineering Safety Chain With S-Hooks - Sold as Pair
Zinc plated trailer chains with S-hooks.
Tie Down Engineering Safety Chain With S-Hooks - Sold as Pair
Zinc plated trailer chains with S-hooks.
Tie Down Engineering Safety Chain With S-Hooks - Sold as Pair
Zinc plated trailer chains with S-hooks.
Tie Down Engineering 36" Black Vinyl Jacketed Hitch Cables With "S" Hooks - Sold as Pair
Replace your noisy chains with self-coiling hitch cables. Black vinyl jacketed cable with safety latch hook. Durable galvanized aircraft cable cons...
View full detailsTie Down Engineering 59545 36" Black Vinyl Jacketed Hitch Cables With "S" Hooks - Sold as Pair
Black vinyl covered durable galvanized aircraft cable construction. Cables exceed SAE J684 standards for trailer coupling and automotive type hitch...
View full detailsTie Down Engineering 59541 36" Black Vinyl Jacketed Hitch Cables With "S" Hooks - Sold as Pair
Black vinyl covered durable galvanized aircraft cable construction. Cables exceed SAE J684 standards for trailer coupling and automotive type hitch...
View full detailsTie Down Engineering 59537 36" Black Vinyl Jacketed Hitch Cables With "S" Hooks - Sold as Pair
Black vinyl covered durable galvanized aircraft cable construction. Cables exceed SAE J684 standards for trailer coupling and automotive type hitch...
View full detailsTie Down Engineering "S" Hook Chain Keepers - 2 Per Pack
These patented safety chain keepers attach easily to the "S" hooks to keep your chains secured to the vehicle.Required in some states.
Reese Weight Distributing Shank
Cast shank, machined for a tighter fit Works with any weight-distributing bolt-together head assembly Black powder coat finish over A-Coat 63971: ...
View full detailsHitch Ball 2 " x 1 " x 2 -1/8"
Solid steel hitch balls engineered to meet all safety requirements of VESC regulation V-5. Cold forged for superior strength.Select the correct bal...
View full detailsHitch Ball 2-5/16" x 1 " x 2-1/8"
Solid steel hitch balls engineered to meet all safety requirements of VESC regulation V-5. Cold forged for superior strength.Select the correct bal...
View full detailsHitch Ball 2-5/16" x 1-1/4" x 2-3/4"
Solid steel hitch balls engineered to meet all safety requirements of VESC regulation V-5. Cold forged for superior strength.Select the correct bal...
View full detailsReese Fifth Wheel 10" Round Lube Plate
Nylon lube plate protects fifth wheel plate from the wear of normal towing. Eliminates the need for messy grease. 3/16" Thick.
Hitch Ball 2" x 3/4" x 1-1/2"
Solid steel hitch balls engineered to meet all safety requirements of VESC regulation V-5. Cold forged for superior strength.Select the correct bal...
View full detailsTow Ready 80791 Triple Tow Ball Mount
The "Triple Tow" provides the ultimate in towing flexibility by allowing quick and easy changes of ball sizes.
Hitch Ball 1-7/8" x 1" x 2-1/8"
Solid steel hitch balls engineered to meet all safety requirements of VESC regulation V-5. Cold forged for superior strength.Select the correct bal...
View full detailsHitch Ball 1-7/8" x 3/4 " x 1-1/2"
Solid steel hitch balls engineered to meet all safety requirements of VESC regulation V-5. Cold forged for superior strength.Select the correct bal...
View full details