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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Ironwood Pacific 0131 E-Z Slide Trailer Bunk Pads, Kit 2, Black
Our E-Z Slide Trailer Slides are ideal for shallow ramps and low water launching, eliminating the need to fully submerge your trailer bunks. With E...
View full detailsIronwood Pacific 0132 E-Z Slide Trailer Bunk Pads, Kit 3, Black
Our E-Z Slide Trailer Slides are ideal for shallow ramps and low water launching, eliminating the need to fully submerge your trailer bunks. With E...
View full detailsSta-Put 60167 1" Tie Down With Stainless Steel Ratchet 12'
1" nylon webbing with all stainless steel ratchet and two "S" hooks coated to prevent scratching.Total corrosion resistance.
Sta-Put 60433 2" Transom Tie Down With Stainless Steel Quick Release Buckle 4' (2 Per Pack)
2" polyester webbing tie down features stainless steel quick release buckle and hooks with a 1" Velcro closure strap. Rated to 750 lbs. with a safe...
View full detailsSta-Put 60168 1" Multi-Purpose Tie Down With Stainless Steel Ratchet 16'
1" nylon webbing with stainless steel ratchet.Thread tag end into ratchet and take in slack to secure any load.
Dexter® K71-G03-07 - Spindle w/ hdwr-1 1/16 in.x1 3
Includes nut, washer, and cotter pin.Bearings not included.
Dexter® K71-G02-63 - Kit Bearing Vortex 1-3/8x1-1/16
Dexter® K71-G01-53 - Axle tie plate kit 2-3/8in dia
Galvanized kits contain 4 U-bolts, 2 tie plates, 8 lock washers and 8 nuts.
Dexter® K71-G02-47 - Trailer bearing set 3/4
Includes 2 cones, 2 cups, seal and cotter pin.
Dexter® K71-G02-52 - Bearing kit 1-1/4in x 3/4in
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K71-G01-50 - Nut/washer/cotter pin kit
Includes nut, washer, and cotter pin.
Dexter® K71-G01-60 - Slipper spring flat 1850# cap.
Arch Length, 28".Heavy-duty.Includes 9/16" ID nylon bushings.
Dexter® K71-G01-54 - Axle tie plate kit 2in sq
Galvanized kits contain 4 U-bolts, 2 tie plates, 8 lock washers and 8 nuts.
Dexter® K71-G01-58 - Slipper spring 1000# cap.
Arch Length 23-1/2" L.Heavy-duty.Includes 9/16" ID nylon bushings.
Dexter® K71-G02-53 - Bearing kit 1-3/8in x 1-1/16in
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K71-G02-41 - 1-3/8 x1-1/16 tapered bearings
Includes 2 cones, 2 cups, seal and cotter pin.
Dexter® K71-G01-57 - 2 leaf spring slip/radius end
Arch Length 23-1/2" L.Heavy-duty.Includes 9/16" ID nylon bushings.
Dexter® K71-G02-33 - 1-1/16 bearings
Includes 2 cones, 2 cups, seal and cotter pin.
Dexter® K71-G00-98 - 10 vented rotr hubdisc brk kit
Dexter® K71-G02-32 - 1-1/16 x 3/4 tapered bearings
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K71-G02-50 - Bearing kit 3/4in w/dust cap
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K71-G02-37 - Bearing set 1-1/4in x 3/4in
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K71-G01-51 - Wheel nuts 5/pkg
Wheel Nuts 5/Pack
Dexter® K71-G02-43 - 1 inch bearings
Includes 2 cones, 2 cups, seal and cotter pin.
Dexter® K71-G02-28 - Axle tie plate kit 3 rd tube
Zinc kits contain 4 U-bolts, 2 tie plates and 8 lock nuts.
Dexter® K71-G02-40 - Bearing set 1-3/8inx 1-1/16in
Includes 2 cones, 2 cups, seal and cotter pin.
Dexter® K71-G02-30 - 1 3/8 inch bearings
Includes 2 cones, 2 cups, seal and cotter pin.
Dexter® K71-G02-36 - Bearing kit 1-1/4in w/dust cap
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K71-G02-34 - Bearing kit 1-1/16in w/dust cap
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K71-G02-21 - Bearing kit 1-1/16x3/4 dustcap
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K71-G02-18 - Axle tie plate kit 1.75rd tube
Zinc kits contain 4 U-bolts, 2 tie plates and 8 lock nuts.
Dexter® K71-G02-31 - Bearing kit 1-3/8in
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K71-G02-20 - Axle tie plate kit 2.38 rd tub
Zinc kits contain 4 U-bolts, 2 tie plates and 8 lock nuts.
Dexter® K71-G02-22 - 1-1/4 bearings
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.
Dexter® K99-066-00 - Actuator model 66 drum brake
Dexter® K71-G01-78 - 1inch seals 2/pk
Fits 3/4" Bearing. (2 per pack)
Dexter® K71-G02-19 - Axle tie plate kit 2 sq tube
Zinc kits contain 4 U-bolts, 2 tie plates and 8 lock nuts.
Dexter® K71-G01-77 - 1 1/4 inch seals 2/card
Fits 1" & 1-1/16" Bearings. (2 per pack)
Dexter® K71-G01-89 - Spindle 1-1/4in x 7in
Includes nut, washer, and cotter pin.Bearings not included.
Dexter® 46304A - Caliper for disc brake bulk
Caliper Assembly
Dexter® K71-G01-91 - Tapered spindle
Includes nut, washer, and cotter pin.Bearings not included.
Dexter® K71-G02-17 - Axle tie plate kit1.75 sq tube
Zinc kits contain 4 U-bolts, 2 tie plates and 8 lock nuts.
Dexter® K71-G01-84 - 1-3/4 seal 1.68 id triple lip
Fits 1-3/8" Bearing. (2 per pack)
Dexter® 81017 - Kt hub 1350# 5-Stud pntvt asmb
KIT HUB 545 1-1/16 BRGS E-COAT High-performance lubrication system 100,000 mile or 6 year limited warranty No Touch lubrication system Filled with ...
View full detailsDexter® 81078 - 5 bolt Galvanized. hub 1350# kit
Kit includes bearings, seals, dust cap, cotter key and lug bolts. Bearings and hub cavity 100% pregreased. Grease seal and bearings are pre-assembl...
View full detailsDexter® K71-G01-80 - 1 3/8 inch seals 2/pk
Fits 1-3/8" Bearing. (2 per pack)
Dexter® K99-Z85-20 - Actuator model 80 disc brake
Dexter® 81052 - Hub 4 on 4-1
Kit includes bearings, seals, dust cap, cotter key and lug bolts.Unassembled, Boxed.