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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Tiedown 86513 SwingKing™ Bolt-On Swing Tongue Kit, Black Powder Coated, 3" x 4"
SwingKing™ bolt-on swing tongue kit converts a normal tongue into a swing tongue, perfect for those needing extra space when storing a trailer.Pivo...
View full detailsRock Tamers 00108 Matte Black Adjustable 24" x 24" Rubber Mudflap System & Stainless Steel Trim Plates for 2" Receiver
Rock Tamers™ are the premier "Adjustable and Removable" Mudflap System designed to provide the ultimate protection for your towables from damage ca...
View full detailsTiedown 86515 SwingKing™ Bolt-On Swing Tongue Kit, Black Powder Coated, 3" x 5"
SwingKing™ bolt-on swing tongue kit converts a normal tongue into a swing tongue, perfect for those needing extra space when storing a trailer.Pivo...
View full detailsTiedown 86514 SwingKing™ Bolt-On Swing Tongue Kit, Hot Dipped Galvanized, 3" x 5"
SwingKing™ bolt-on swing tongue kit converts a normal tongue into a swing tongue, perfect for those needing extra space when storing a trailer.Pivo...
View full detailsUniversal Tail Light Bracket, Right
Universal Tail Light Bracket, Right
Tie Down Engineering 44705 Tail Light Bracket
Galvanized steel for long lasting durability.
Attwood LED Trailer Light Kit
Complete kit includes two multi-functional (stop/tail/turn) submersible LED trailer lights, license plate bracket, wiring harness, installation har...
View full detailsUniversal Tail Light Bracket, Left
Universal Tail Light Bracket, Left
Tiedown 86511 SwingKing™ Bolt-On Swing Tongue Kit, Black Powder Coated, 3" x 3"
SwingKing™ bolt-on swing tongue kit converts a normal tongue into a swing tongue, perfect for those needing extra space when storing a trailer.Pivo...
View full detailsTiedown 86512 SwingKing™ Bolt-On Swing Tongue Kit, Hot Dipped Galvanized, 3" x 4"
SwingKing™ bolt-on swing tongue kit converts a normal tongue into a swing tongue, perfect for those needing extra space when storing a trailer.Pivo...
View full detailsMounting Bracket
3" High universal mounting bracket for all stop and tail lights. Gusseted for rigidity. Extends 4-1/2" from mounting surface. Finish is black ename...
View full detailsComplete Trailer Wiring Kit
(1) Receptical and harness, 4 ft. (1.2 m) (1) Plug and harness, 25 ft. (7.6m) (4) Blue quick connectors (8) Trailer wire attachment clips
LED Grommet Mt Oval Stop, Turn & Tail Light Kit
A 7-diode, LED oval stop, turn and tail light suitable for over-80" vehicle width applications. It uses the industry-standard PL3 socket that is in...
View full detailsLED Flange Mt Oval Stop, Turn & Tail Light Kit
A 7-diode, LED oval stop, turn and tail light suitable for over-80" vehicle width applications. It uses the industry-standard PL3 socket that is in...
View full detailsAttwood 7 to 4 Way Trailer Plug Adapter
Connects 4-way trailer wiring harness to a vehicle through the connection of a trailer adapter.Connects auxiliary, tail lights and ground left righ...
View full detailsAttwood Wiring Harness/Connector 4-Way Flat, 18" Plug and 48" Socket
The most popular 4-way flat wiring harness kit for vehicles and trailers. Copper-stranded, color-coded wire and plastic molded terminals with four-...
View full detailsAnderson 7-to-5-Way Trailer Wiring Harness Adapter
Anderson 7-to-5-Way Trailer Wiring Harness AdapterConvert your vehicle's 7-way RV-blade connector to a 5-way flat connection in seconds. This harne...
View full detailsAttwood 7 to 5 Way Trailer Plug Adapter
Connects 5-way trailer wiring harness to a vehicle through the connection of a trailer adapter.Connects auxiliary, tail lights and ground left righ...
View full detailsAttwood LED Low-Profile Trailer Light Kit
Complete kit includes: two multi-functional (stop/tail/turn) submersible low-profile LED trailer lights, license plate bracket, wiring harness, ins...
View full detailsAnderson 7-To-4-Way Harness Adapter
Quick and easy to connect.Full-length plugs shall ensure positive latching; non-corrosive nylon shell and the insert eliminates make shift jumpers.
Red Reflector-Stick On 2/Pk
Mounts on clean, flat surfaces using an industrial strength adhesive.
Anderson 4654K Reflective Marking Tape, 4-Pk
High-brightness, red & white reflective material is rated at 1,000 candlepower and features industrial-strength adhesive to mount on flat or cu...
View full detailsAnderson LED Clearance/Side Marker Light
6-Diode, oval LED light perfect for light & medium duty applications Functions as a clearance or side maker light with built-in reflector opti...
View full detailsReplacement Lens, Amber
Fits old style 114A, 115A
Amber Reflector-Stick On 2/Pk
Mounts on clean, flat surfaces using an industrial strength adhesive.
Anderson Trailer-Trunk 30" Extension
Harness extensions available in both 4-way and 5-way flat configurations. Each configuration has trailer connector on one end and trunk connector o...
View full detailsAnderson Oval Stop/Turn/Tail Light Only - Red
May be used on both the curbside and roadside of the trailer. Polycarbonate lens is sonic welded to the housing to form a single unit. Kit includes...
View full detailsAnderson Submersible Trailer Lighting Kit – For Trailers Under 80"
Anderson Submersible Trailer Lighting Kit – For Trailers Under 80"Everything you need to wire and light a trailer under 80" wide — in one complete ...
View full detailsPiranha® LED Clearance/Sidemarker Light, 2" Dia, Red
3-diode, round, sealed LED light functions as clearance, side marker or identification light Accepts industry standard 2-prong plug Includes LED l...
View full detailsPiranha® LED Clearance/Sidemarker Light, 2-1/2" Dia, Red
3-diode, round, sealed LED light functions as clearance, side marker or identification light Accepts industry standard 2-prong plug Includes LED l...
View full detailsAnderson Oval Dome/Utility Light - White
Bright Piranha® 1-diode LED Black rubber grommet included Grommet fits 3/4" hole Hard wired design prevents lamp-plug failures and cannot corrode ...
View full details2-1/2" Red Clearance Light
2-1/2" Lexan lens and housing sonic welded into a sealed unit for maximum service and protection.Requires a mounting grommet (#14218) and plug to c...
View full detailsAnderson LED Clearance/Side Marker Light Kit
Sealed LED light that may be used as a clearance, side marker, or identification light. The lens is welded to the housing to form a single unit. Ki...
View full detailsAnderson LED Clearance/Side Marker Light
6-Diode, oval LED light perfect for light & medium duty applications Functions as a clearance or side maker light with built-in reflector opti...
View full detailsAnderson LED 3/4" Clearance/Side Marker Light Kit
Bright Piranha® 1-diode LED Black rubber grommet included Grommet fits 3/4" hole Hard wired design prevents lamp-plug failures and cannot corrode ...
View full detailsOptronics STL72RK Waterproof Stop & Turn LED Oval Tail Light Kit, Polycarbonate Lens & Housing
LED stop and turn tail light kit has 10 super diodes, 6" polycarbonate housing/lens with rubber grommet and right angle 3-pin pigtail. Waterproof s...
View full detailsPiranha® LED Clearance/Sidemarker Light, 2-1/2" Dia, Amber
3-diode, round, sealed LED light functions as clearance, side marker or identification light Accepts industry standard 2-prong plug Includes LED l...
View full detailsAnderson LED 3/4" Clearance/Side Marker Light Kit
Bright Piranha® 1-diode LED Black rubber grommet included Grommet fits 3/4" hole Hard wired design prevents lamp-plug failures and cannot corrode ...
View full detailsReplacement Lens, Red
Fits old style 114R, 11/R, 440/L & 441/L.
Optronics STL72RK Waterproof Stop & Turn LED Oval Tail Light Kit, Polycarbonate Lens & Housing
LED stop and turn tail light kit has 10 super diodes, 6" polycarbonate housing/lens with rubber grommet and straight 3-pin pigtail. Waterproof seal...
View full detailsPiranha® LED Clearance/Sidemarker Light, 2" Dia, Amber
3-diode, round, sealed LED light functions as clearance, side marker or identification light Accepts industry standard 2-prong plug Includes LED l...
View full detailsOptronics STL17RBP Low Profile Combination Tail Light, Left Side (Driver)
Low profile combination tail light. Designed for marine trailer application Sealed, waterproof construction Universal mount Hard wired, with separa...
View full detailsAnderson LED Clearance/Side Marker Light Kit With Chrome Bezel
Sealed 2-diode LED light that functions as clearance or side marker light. Operates from 8-16 volts. Hard-wired with separate lead and ground wires...
View full detailsLight Only
Sealed single 6" oval polycarbonate housing/lens.
Optronics STL12RBP Fleet Count Waterproof LED Oval Stop & Turn Tail Light
Fleet Count™ six diode design provides DOT compliant, economical waterproof 6" LED stop/turn/tail light. Flush mount light accepts industry standar...
View full detailsOptronics STL16RBP Low Profile Combination Tail Light, Right Side (Passenger)
Low profile combination tail light. Designed for marine trailer application Sealed, waterproof construction Universal mount Hard wired, with separa...
View full detailsFleet Count LED Thin Marker Light, Red
Fleet Count™ two-diode design provides a DOT compliant, economical LED light. Feature sonically sealed, waterproof lens and housing in a single uni...
View full detailsFleet Count LED Thin Marker Light, Amber
Fleet Count™ two-diode design provides a DOT compliant, economical LED light. Feature sonically sealed, waterproof lens and housing in a single uni...
View full details