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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Caliber Trailer Grips, 6-Pack (13200)
Caliber Trailer Grips — 6-Pack A simple upgrade that protects your trailer and makes loading a lot less stressful. Caliber Trailer Grips slip betwe...
View full detailsPanther 552195 Outboard Motor Transport Support | 4-7/8" Length
Keep Your Outboard Safe on the RoadThe Panther 552195 Outboard Motor Transport Support is a purpose-built trailering stabilizer that protects your ...
View full detailsBearing Buddy 2.328" Chrome Trailer Wheel Bearing Protector with Bra, 2-Pack (43105)
Bearing Buddy 43105 – 2.328" Chrome Bearing Protector with Bra, 2-PackThe Bearing Buddy 43105 is a chrome-plated bearing protector designed to keep...
View full detailsBearing Buddy 42445 Bearing Buddy With Bra - Chrome Plated, 2.441'', 2 Pack
Keeps water and dirt out of wheel bearings and keeps them properly lubricated. The Bearing Buddy® automatic pressure relief feature allows excess g...
View full detailsSeachoice 5/8" x 4-3/4" Clevis Pin for Class II Trailer Hitches (53283)
Seachoice 53283 – 5/8" x 4-3/4" Clevis Pin for Class II Trailer HitchesThe Seachoice 53283 is a 5/8" diameter x 4-3/4" length clevis pin with corro...
View full detailsDexter® K71-DBC-250-PAD - Disc brake pad kit Kodiak 250
Dexter® K71-DBC-250-D - 7k-8k caliper kit Kodiak Dex-Cote
Dexter® K71-DBC-225-SS - 3.5k-6k caliper kit Kodiak ss
Bearing Buddy 2.717" Chrome Trailer Wheel Bearing Protector with Bra, 2-Pack (43712)
Bearing Buddy 43712 – 2.717" Chrome Bearing Protector with Bra, 2-PackThe Bearing Buddy 43712 is a chrome-plated bearing protector designed to keep...
View full detailsSeachoice 53263 Clevis Pin, 3/8" x 4-3/4"
Corrosion-resistant plating
Dexter® K71-DBC-250-SS - 7k-8k caliper kit Kodiak ss
Dexter® K71-DBC-225-PAD - Disc brake pad kit Kodiak 225
C.E. Smith 27740 LED Lighted PVC Post Guide-Ons, 40"
Post Guide-Ons allow you to see the location of your trailer when it's under water. Equipped with long lasting, waterproof and shockproof, one piec...
View full detailsC.E. Smith 30250 Trailer Tongue Step Pad, 25" x 9"
Makes accessing your boat easy, providing a stable and steady place to anchor your feet. It can be mounted anywhere that is suitable on trailer ton...
View full detailsSeachoice 53273 Clevis Pin, 1/2" x 4-3/4"
Corrosion resistant plating.53273: Fits Class II Receivers & Ball Mounts
Dexter® K71-DBC-225-D - 3.5-6k caliper kit Kodiak dac
C.E. Smith 13109 Pre-Greased Replacement Hub Kit, 4 Stud, 1-1/16" Straight Shaft, 1350 lb.
Fully assembled hubs with pregreased bearings, which cuts down on the mess and makes final installation on to the axle much easier.Includes carry c...
View full detailsDexter® K71-DBC-225-PAD-SS - Disc brake pad kit Kodiak 225
Dexter® K71-DBC-250-PAD-SS - Disc brake pad kit Kodiak 250
C.E. Smith 27647 PVC Post Guide-Ons, 40", 75 Degree Bend, Black
Visual markers when backing trailers down the ramp Fits frames up to 3” wide by 4-1/4” tall Metal uprights allow for 13” of side adjustment 1-1/2”...
View full detailsC.E. Smith 27646 PVC Post Guide-Ons, 60", Black
Allows you to see the location of your trailer when it's under water. The 2" PVC tubes make it easy to see your trailer's position when backing dow...
View full detailsC.E. Smith 27670 Pontoon PVC Post Guide-Ons
These guide-ons mount on top of rear cross member and fit in between the pontoons to center your boat on the trailer. Mounting hardware included. S...
View full detailsC.E. Smith 27671 Pontoon Bunkboard Guide-Ons
Ideal for bunk style pontoon boat trailer with box, channel, or I-beam frames up to 3" wide x 4-1/4" tall. Pontoon glides easily past the carpeted ...
View full detailsC.E. Smith 13110 Pre-Greased Replacement Hub Kit, 4 Stud, 1" Straight Shaft, 1250 lb.
Fully assembled hubs with pregreased bearings, which cuts down on the mess and makes final installation on to the axle much easier.Includes carry c...
View full detailsC.E. Smith 11373 Carpet Roll 18" x 18' Gary
High quality, weather resistant carpet features a durable backing and minimal water retention.Velvet Finish, resist small rocks and mud, washes off...
View full detailsC.E. Smith 27637 PVC Post Guide-Ons, 65", Hot Dip Galvanized
Allows you to see the location of your trailer when it's under water. The 2" PVC tubes make it easy to see your trailer's position when backing dow...
View full detailsC.E. Smith 13515 Pre-Greased Replacement Hub Kit, 5 Stud, 1-3/8" tapered to 1-/16" Shaft, 1750 lb.
Fully assembled hubs with pregreased bearings, which cuts down on the mess and makes final installation on to the axle much easier.Includes carry c...
View full detailsC.E. Smith 27638 PVC Post Guide-Ons
Allows you to see the location of your trailer when it's under water. The 2" PVC tubes make it easy to see your trailer's position when backing dow...
View full detailsC.E. Smith 11349 Carpet Roll 18" x 18' Black
High quality, weather resistant carpet features a durable backing and minimal water retention.Velvet Finish, resist small rocks and mud, washes off...
View full detailsC.E. Smith 27660 2' Bunkboard Guide-Ons
Carpeted bunkboards provide proper center loading even in wind or side current conditions. Can be mounted on top of frame for extra height Height o...
View full detailsC.E. Smith 11330 Carpet Roll 11" x 12' Black
High quality, weather resistant carpet features a durable backing and minimal water retention.Velvet Finish, resist small rocks and mud, washes off...
View full detailsC.E. Smith 13311 Pre-Greased Replacement Hub Kit, 5 Stud, 1-1/16" Straight Shaft, 1350 lb.
Fully assembled hubs with pregreased bearings, which cuts down on the mess and makes final installation on to the axle much easier.Includes carry c...
View full detailsC.E. Smith 27310G Heavy-Duty Galvanized Spare Tire Carrier
Mount your spare tire vertically to the side of trailer tongue or frame rails. The trailer tongue in the front of the trailer. The offset design mo...
View full detailsC.E. Smith 27580 Outboard Motor Dolly, Red
Easily transport motors weighing up to 250 lbs 45" Overall height Folds flat for convenient storage
C.E. Smith 13215 Pre-Greased Replacement Hub Kit, 5 Stud, 1" Straight Shaft, 1250 lb.
Fully assembled hubs with pregreased bearings, which cuts down on the mess and makes final installation on to the axle much easier.Includes carry c...
View full detailsC.E. Smith 27627 PVC Post Guide-Ons, 40", 75 Degree Bend, White
Visual markers when backing trailers down the ramp Fits frames up to 3” wide by 4-1/4” tall Metal uprights allow for 13” of side adjustment 1-1/2”...
View full detailsDexter® K71-G02-55 - 10 inch to 12in wheel cylinder kit
10" & 12" Brake, drum wheel cylinder kit includes 11345 LH & 11346 RH cylinders 11241 Bleeder and 11240 Adapter for Bleeder
Dexter® K71-G02-57 - Add on axel brake line kit
Add disc or drum brakes to your trailer. All hardware included, you supply the actuator and brakes. All fittings are brass."Add On" Brake Line Kit:...
View full detailsC.E. Smith 13210 Pre-Greased Replacement Hub Kit, 5 Stud, 1" Straight Shaft, 1250 lb.
Fully assembled hubs with pregreased bearings, which cuts down on the mess and makes final installation on to the axle much easier.Includes carry c...
View full detailsDexter® K71-G02-07 - Axle kit 3.5k 2-3/8 rd
Single axle kits include axle tie plate kits, 1-3/4" x 25-1/4" double eye leaf springs, front and rear spring hangers, shackle links and all necess...
View full detailsDexter® K71-G02-51 - Tapered bearn+g31gs 1-3/4 x 1
Includes 2 cones, 2 cups, seal, cotter pin and dust cap.Includes standard seal 225255UC and UFP seal 212338UC
Dexter® K71-G02-06 - Axle kit 2.5k 1.75 rd
Single axle kits include axle tie plate kits, 1-3/4" x 25-1/4" double eye leaf springs, front and rear spring hangers, shackle links and all necess...
View full detailsC.E. Smith 13315 Pre-Greased Replacement Hub Kit, 5 Stud, 1-1/16" Straight Shaft, 1350 lb.
Fully assembled hubs with pregreased bearings, which cuts down on the mess and makes final installation on to the axle much easier.Includes carry c...
View full detailsDexter® K74-600-20 - Drop N Go coupler 2
This coupler features technology that allows the coupler, when set in the closed (tow) latch position, to auto-latch onto the hitch ball when set o...
View full detailsDexter® K71-G01-65 - Tandem equalizer bar
Cast equalizer is manufactured from ductile iron to industry standards.Black paint finish.
Dexter® K71-G02-59 - Brake line kit tandem axle
Add disc or drum brakes to your trailer. All hardware included, you supply the actuator and brakes. All fittings are brass.Tandem Axle Brake Line K...
View full detailsDexter® K71-G02-58 - Brake line kit single axle
Dexter® K08-448-C6 - 5 stud hub kit #1350
Kit includes bearings, seals, dust cap, cotter key and lug bolts. Bearings and hub cavity 100% pregreased. Grease seal and bearings are pre-assembl...
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