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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Seachoice Gunwale Trailer Tie Down Strap 2" Wide - Black
Black polyester strap with cadmium plated "J" hook.Quick release adjuster.
Seachoice Premium Transom Tie Down Boat Strap, 48 In.
Constructed of black heavy duty polypropylene webbing, this premium transom tie-down strap secures your vessel to its trailer while traveling on th...
View full detailsSeachoice Heavy Duty Transom Tie Down Boat Strap, 48 In., With S Hook
Constructed of black heavy duty weather resistant webbing, this transom tie-down strap secures your vessel to its trailer while traveling on the hi...
View full detailsSeachoice 25' Galvanized Winch Cable
Galvanized 7 x 19 aircraft cable.Heavy duty galvanized snap hook.
Seachoice Chrome-Plated Boat Trailer Bearing Protectors Cover, 1.98 in. Diameter
Wheel bearings may be the single biggest source of anguish for trailer boaters, though these bearing protectors with cover help prevent corrosion b...
View full detailsSeachoice Gunwale Tie Down Boat Strap, 16 Ft.
Constructed of black polyester, this gunnel trailer tie-down strap secures your vessel while traveling on the highway. Cadmium plated J hook with q...
View full detailsSeachoice Bearing Protector Covers for Boat Trailers, Black Plastic, Pack of 2
Seachoice Bearing Protector Covers keep road dirt out and prevent grease from splattering your boat trailer wheels. Seachoice is committed to deliv...
View full detailsSeachoice Heavy Duty Steel Boat Trailer Winch Hook, 5/8 in. X 3-7/8 in.
Cranking your boat out of the water is a breeze with this heavy-duty trailer winch hook fabricated from forged steel and featuring a zinc plated fi...
View full detailsSeachoice Gunwale Trailer Tie Down Strap 2" Wide - Black
Black polyester strap with cadmium plated "J" hook.Quick release adjuster.
Seachoice 28003 Adjustable Transom Saver, 34-46 In.
This Seachoice Adjustable Transom Saver helps support the weight of your outboard motor while trailering to prevent damage to the motor or to your ...
View full detailsSeachoice Boat Trailer Hitch Coupler Lock with 2 Matching Keys, Solid Brass
Designed to fit in padlock hole of trailer coupler for trailer security. Solid brass body hasp. Heat treated lock is pick resistant. Pin diameter 1...
View full detailsSeachoice Gunwale Trailer Tie Down Strap 2" Wide - Black
Black polyester strap with cadmium plated "J" hook.Quick release adjuster.
Seachoice Heavy Duty Winch Hook 5/8" x 4-1/4"
Winch hook. Closure is spring loaded. 5/8" throat.
Seachoice Adjustable Transom Saver for Outboard Motors, 20-30 In.
This dependable Seachoice Adjustable Transom Saver helps support the weight of your outboard motor while trailering to prevent damage to the motor ...
View full detailsSeachoice Adjustable Transom Saver, Angled, 28-59 In.
This Seachoice Adjustable Angled Transom Saver helps support the weight of your outboard motor while trailering to prevent damage to the motor or t...
View full detailsSeachoice Replacement Nut For Steering Wheel 12mm x 1.25
Seachoice Replacement Nut For Steering Wheel
Seachoice 28006 Replacement Transom Saver Rubber V-Block
Replacement V-block for transom saver.
Dexter K71-G00-97 Disc Brake Kit Assembly โ 12" Vented Rotor
Dexter K71-G00-97 Disc Brake Kit โ 12" Vented RotorKeep your trailer stopping confidently with this complete disc brake kit from Dexter, one of the...
View full detailsDexter K71-2H-10-DDD Disc Brake Kit โ 10" Rotors, Single Axle (3,500โ3,700 lb)
Dexter K71-2H-10-DDD โ 10" Disc Brake Kit for Single Axle Trailers (3,500โ3,700 lb)A complete, OEM-matched disc brake kit for single-axle trailers ...
View full detailsDexter K23-81097 Galvanized Drum Brake Kit โ 10", Pair
Dexter K23-81097 โ 10" Galvanized Drum Brake Kit (2 per Box)Purpose-built for trailers that spend time around water, this galvanized drum brake kit...
View full detailsDexterยฎ K71-2R-12-DDD - Disc Brake Kit 1 axl 6k
Dexter K71-G01-06 E-Coat Drum Brake Kit โ 10", Single Axle
Dexter K71-G01-06 โ 10" E-Coat Drum Brake Kit, Single AxleA complete, marine-grade drum brake kit for single-axle trailers running 10" drums. The K...
View full detailsDexter K71-G00-45 Trailer Brake Kit โ 10" Drum, 66 Series Actuator & Breakaway
Dexter K71-G00-45 โ 10" Drum Brake Kit with 66 Series Actuator & BreakawayThis comprehensive trailer brake kit from Dexter brings together the ...
View full detailsDexter K71-G00-31 Complete Disc Brake System Kit โ 10" Vented GalvX Rotors, 66 Series Actuator
Dexter K71-G00-31 โ Complete Trailer Disc Brake System Kit with 10" Vented GalvX Rotors & 66 Series ActuatorEverything you need to add a fully ...
View full detailsDexter K71-2R-10-DDD Disc Brake Kit โ 10" Rotors, Single Axle (3,500โ4,200 lb)
Dexter K71-2R-10-DDD โ 10" Disc Brake Kit for Single Axle Trailers (3,500โ4,200 lb)This complete disc brake kit from Dexter is engineered for singl...
View full detailsUFP K7180605 Disc Brake Component Kit โ Zinc+ Hub, Zinc+ Vented Rotor & Aluminum Caliper
UFP K7180605 โ Zinc+ Hub, Zinc+ Vented Rotor & Aluminum Caliper Disc Brake KitA premium disc brake component kit from UFP built around Zinc+ co...
View full detailsC.E. Smith 27635 PVC Post Guide-Ons โ I-Beam Trailer Frame, White (Pair)
C.E. Smith 27635 โ White PVC Post Guide-Ons for I-Beam Trailer Frames (Pair)Back your boat down the ramp with confidence. C.E. Smithโs 27635 PVC Po...
View full detailsUFP K7111300 Complete Disc Brake Kit โ Single Axle with Zinc+ Hub & Aluminum Caliper
UFP K7111300 โ Complete Disc Brake Kit, Single AxleA fully matched, single-axle disc brake system from UFP โ one of the most recognized names in tr...
View full detailsDexterยฎ K71-G00-44 - Brake vntd cap rotr 12
Dexterยฎ K71-G00-54 - Brake vntd cap rotr 9.6
C.E. Smith 27648 PVC Post Guide-Ons โ 60", I-Beam Frame, White (Pair)
C.E. Smith 27648 โ 60" White PVC Post Guide-Ons for I-Beam Trailer Frames (Pair)Loading your boat just got easier. C.E. Smithโs 27648 PVC Post Guid...
View full detailsDexter K71-G01-07 E-Coat Drum Brake Kit โ 12", Single Axle
Dexter K71-G01-07 โ 12" E-Coat Drum Brake Kit, Single AxleBuilt specifically for trailers that operate in marine environments, this 12" drum brake ...
View full detailsDexterยฎ K71-G01-66 - Spring shackle 1pr/pk
Dexter K71-G00-55 Disc Brake Kit โ 10" Vented Cap Disc
Dexter K71-G00-55 โ 10" Vented Cap Disc Brake KitA complete disc brake kit from Dexter built around their cap-style disc brake design โ an integrat...
View full detailsUFP K7107805 Disc Brake Component Kit โ Zinc+ Hub, Zinc+ Vented Rotor & Aluminum Caliper
UFP K7107805 โ Zinc+ Hub, Zinc+ Vented Rotor & Aluminum Caliper Disc Brake KitA compact, corrosion-resistant disc brake component kit from UFP,...
View full detailsDexterยฎ K99-Z85-00 - Actuator model 80 drum brake
UFP K7109005 Disc Brake Component Kit โ Zinc+ Hub, Zinc+ Vented Rotor & Aluminum Caliper
UFP K7109005 โ Zinc+ Hub, Zinc+ Vented Rotor & Aluminum Caliper Disc Brake KitA corrosion-resistant disc brake component kit from UFP, built ar...
View full detailsC.E. Smith 27672 Pontoon Roller Guide-Ons โ Pair
C.E. Smith 27672 โ Pontoon Roller Guide-Ons (Pair)Take the frustration out of loading your pontoon with C.E. Smithโs Pontoon Roller Guide-Ons. Desi...
View full detailsSeachoice 53421 ST205/75R15C/5H KR35 15" Galvanized Spoke, 5-Lug on 4-1/2" Radial Tire & Wheel Assembly
High-quality, mid-range trailer tire offering a smooth and quiet ride, exceptional stability and excellent handling in all-season applications. Sil...
View full detailsLoadstar Bias Wide Profile Tire and Wheel (Rim) Assembly 205/65-10 5 Hole
10" Wide Profile Tire And Wheel Assembly, 205/65-10 E/5-Hole Silver K399
Loadstar Bias Tire and Wheel (Rim) Assembly ST175/80D-13 5 Hole C Ply
13" Bias Tire & Wheel Assembly, ST175/80D13 C/5-Hole Directional Silver
Loadstar Bias Wide Profile Tire and Wheel (Rim) Assembly 205/65-10 5 Hole
10" Wide Profile Tire And Wheel Assembly, 205/65-10 E/5-Hole White K399
Seachoice 53411 ST205/75R14C/5H KR35 14" Galvanized Spoke, 5-Lug on 4-1/2" Radial Tire & Wheel Assembly
High-quality, mid-range trailer tire offering a smooth and quiet ride, exceptional stability and excellent handling in all-season applications. Sil...
View full detailsLoadstar Bias Wide Profile Tire and Wheel (Rim) Assembly 205/65-10 5 Hole
10" Wide Profile Tire And Wheel Assembly, 205/65-10 C/5-Hole Galvanized K399
Seachoice 53401 ST175/80R13C/5H KR35 13" Galvanized Spoke, 5-Lug on 4-1/2" Radial Tire & Wheel Assembly
High-quality, mid-range trailer tire offering a smooth and quiet ride, exceptional stability and excellent handling in all-season applications. Sil...
View full detailsLoadstar Bias Tire and Wheel (Rim) Assembly ST225/75D-15 6 Hole D Ply
ST225/75D15 D/6-Hole Modular White
Loadstar Bias Tire and Wheel (Rim) Assembly ST225/75D-15 6 Hole D Ply
ST225/75D15 D/6-Hole Spoke Galvanized
Loadstar Bias Tire and Wheel (Rim) Assembly ST225/75D-15 6 Hole D Ply
ST225/75D15 D/6-Hole Modular Galvanized