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Boat Trailer Brakes

      Boat Trailer Brakes Product Listings

      • High-performance cast iron brake caliper with Dacromet plating and ceramic brake pads
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        $208.49
        $133.49

        Dexter Kodiak 3,500 - 6,000lbs Dacromet Disc Brake Caliper K71-DBC-225-D Upgrade your vehicle's braking system with this high-performance brake caliper designed for ultimate durability and superior stopping power. Constructed from premium cast iron and...

      • Kodiak Hub & Rotor 7,000lbs 13" One Axle Disc Brake Kit by Dexter K71-2H-133-7-8-DDD
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        $1,390.99
        $903.99

        Dexter Kodiak Hub & Rotor 7,000lbs 13" One Axle Disc Brake Kit K71-2H-133-7-8-DDD Upgrade your trailer’s braking system with this high-performance trailer disc brake kit. This complete kit includes two assemblies featuring Dacromet-plated...

      • Kodiak Hub & Rotor 3,500lbs 10" One Axle Disc Brake Kit by Dexter K71-2H-10-DDD
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        $694.99
        $444.99

        Dexter Kodiak Hub & Rotor 3,500lbs 10" One Axle Disc Brake Kit K71-2H-10-DDD Upgrade your trailer’s braking system with this high-performance trailer disc brake kit. This complete kit includes two assemblies featuring Dacromet-plated rotors,...

      • Dexter Fortress Threaded 10K - 16K Oil Cap
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        $44.49
        $30.99

        Dexter Fortress Threaded 10K - 16K Oil Cap K71-859-00 Upgrade your axle maintenance with this high-quality Dexter Oil Cap, O-Ring, and Plug Replacement Kit, designed for a range of popular axles including Dexter, Rockwell, Valcrum, and AL-KO. Whether...

      • Dexter 7.2K-15K 12-1/4" Electric Brake Magnet Kit K71-378-00
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        $117.99
        $81.49

        Dexter 7.2K-15K 12-1/4" Electric Brake Magnet Kit K71-378-00 Upgrade your trailer’s braking system with the New Oval Style Magnet Kit, specifically designed to replace worn-out magnets on Dexter trailer brakes. The innovative oval design not only...

      • Replacement inner member slide for Dexter XR84 and Legacy UFP surge brake actuators with self-latching cast ball latch and electric reverse lockout.
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        $522.39
        $360.39

        Dexter Replacement UFP Legacy XR84 Single/Tandem 8.4K 2" Axle Disc Brake Actuator Upgrade and maintain your braking system with this replacement inner member slide, designed for seamless integration with the Dexter XR84 and Legacy UFP surge brake...

      • Replacement brake magnet for Dexter electric brake assemblies, compatible with 10" x 2-1/4" 4,400-lb and 12" x 2" 7,000-lb brake assemblies.
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        $52.49
        $36.49

        Dexter 10" x 2-1/4" 4,400lbs & 12" x 2" 7,000lbs Electric Brake Magnet Kit K71-125-00 Keep your trailer’s braking system in top condition with this replacement brake magnet designed for Dexter electric brake assemblies. This high-quality...

      • Pre-Greased 6K Hub-Drum Kit with bearings, E-Z Lube® seal, and 6 on 5-1/2" wheel bolt center for 6K axles.
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        $390.99
        $269.99

        Dexter Pre-Greased 2.125" 6K Hub & Drum Kit K08-201-1G Upgrade your trailer’s braking system with the Dexter pre-greased 6K Hub-Drum Kit, designed for 6K axles and featuring everything you need for smooth and reliable performance. This...

      • Pre-Greased 6K 2.25" Seal Hub-Drum Kit with bearings, E-Z Lube® seal, and 6 on 5-1/2" wheel bolt center for 6K axles.
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        $395.99
        $273.49

        Dexter Pre-Greased 2.25" 6K Hub & Drum Kit K08-201-2G Upgrade your trailer’s braking system with the Dexter pre-greased 6K Hub-Drum Kit, designed for 6K axles and featuring everything you need for smooth and reliable performance. This hub-drum...

      • Pre-Greased 7K Hub-Drum Kit with bearings, E-Z Lube® seal, and 8 on 6-1/2" wheel bolt center for 7,000 axles.
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        $445.49
        $307.49

        Dexter Pre-Greased 2.24" 7K Hub & Drum Kit K08-219-1G Upgrade your trailer’s braking system with the Dexter pre-greased 7K Hub-Drum Kit, designed for 7K axles and featuring everything you need for smooth and reliable performance. This hub-drum...

      • Pre-Greased 7K 2.25" Seal Hub-Drum Kit with bearings, E-Z Lube® seal, and 8 on 6-1/2" wheel bolt center for 7,000 axles.
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        $533.49
        $367.99

        Dexter Pre-Greased 2.25" 7K Hub & Drum Kit K08-219-2G Upgrade your trailer’s braking system with the Dexter pre-greased 7K Hub-Drum Kit, designed for 7K axles and featuring everything you need for smooth and reliable performance. This hub-drum...

      • Pre-Greased 3.5K Hub-Drum Kit with bearings, E-Z Lube® seal, and 5 on 4-1/2" wheel bolt center for 3,500 axles.
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        $310.49
        $213.99

        Dexter Pre-Greased 1.718" 3.5K Hub & Drum Kit K08-247-1G Upgrade your trailer’s braking system with the Dexter pre-greased 3.5K Hub-Drum Kit, designed for 3.5K axles and featuring everything you need for smooth and reliable performance. This...

      • Pre-greased trailer hub assembly for 3,500-lb E-Z Lube idler axles with bearings, grease seal, grease cap, and lug nuts.
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        $214.49
        $147.99

        Dexter Pre-Greased 5 on 4-1/2" 1.718" 3.5K Hub Kit K08-248-1G Ensure reliable and efficient performance with this Trailer Hub Assembly designed specifically for 3,500-lb E-Z Lube idler axles. This pre-greased hub is ready to install right out of the...

      • Pre-greased trailer hub assembly for 2,200-lb E-Z Lube idler axles with bearings, grease seal, grease cap, and lug nuts.
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        $173.49
        $119.99

        Dexter Pre-Greased 5 on 4-1/2" 2.2K Hub Kit K08-259-1G Ensure reliable and efficient performance with this Trailer Hub Assembly designed specifically for 3,500-lb E-Z Lube idler axles. This pre-greased hub is ready to install right out of the box,...

      • Bearing and seal replacement kit includes bearings, seals, cotter pins, and bearing cups for 5-lug 4.5" bolt circle hubs 3.2K & 3.7K 545 axles
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        $109.79
        $75.69

        Dexter 5-Lug 4.5" Bolt 3.2K & 3.7K Axle Bearing and Seal Replacement Kit K71-059-00 Keep your trailer running smoothly with this Bearing and Seal Replacement Kit designed for 3.2K and 3.7K 545 axles. The 545 designation refers to a 5-lug 4.5" bolt...

      • Versa-Flex torsion arm and hardware kit for 3.7K idler axles, featuring zinc-plated spindle, washers, bolts, seals, and nuts for disc and drum brake systems.
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        $299.69
        $206.79

        Dexter Versa-Flex 3,700lbs Torsion Arm & Hardware Kit K71-067-00 Upgrade your trailer suspension system with the Versa~Flex Torsion Arm & Hardware Kit, offering durability and smooth performance for both disc and drum brake systems. This...

      • Versa-Flex torsion arm and hardware kit for 5.2K - 7K idler axles, featuring zinc-plated spindle, washers, bolts, seals, and nuts for disc and drum brake systems.
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        $498.99
        $344.29

        Dexter Versa-Flex 5.2K-7K Torsion Arm & Hardware Kit K71-069-00 Upgrade your trailer suspension system with the Versa~Flex Torsion Arm & Hardware Kit, offering durability and smooth performance for both disc and drum brake systems. This...

      • Dexter Idler Hub 3,700 lb 545 – Zinc-plated, cupped & studded design, 5-lug 4.5" bolt circle for disc and drum brake trailers.
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        $104.09
        $71.79

        Dexter 5 Lug 4.5" Bolt 3,700lbs Zinc Idler Hub K08-436-05 Enhance your trailer’s performance with this Dexter Idler Hub 3,700 lb 545—a durable, high-quality hub designed for trailers that need a reliable, low-maintenance solution. This...

      • Dexter Trailer Buddy Protector with Bra – 7,000 lb, 2.717" OD for 8 on 6.50" bolt pattern trailer hubs.
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        $169.49
        $116.99

        Dexter 7K 8 Lug 6.5" Hub Trailer Buddy Protector with Bra K71-031-00 Protect your trailer’s wheel hubs with the trailer buddy protector by Dexter. Designed for 7,000 lb trailers, this high-quality protector fits hubs with an 8 on 6.50" bolt...

      • Dexter Trailer Buddy Protector with Bra – 6,000 lb, 2.441" OD for 6 on 5.50" bolt pattern trailer hubs.
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        $166.89
        $115.09

        Dexter 6K 6 Lug 5.5" Hub Trailer Buddy Protector with Bra K71-032-00 Protect your trailer’s wheel hubs with the trailer buddy protector by Dexter. Designed for 6,000 lb trailers, this high-quality protector fits hubs with an 6 on 5.50" bolt...

      Boat Trailer Brakes

      Boat trailer brakes are an important safety component when towing your boat on the road. Properly functioning trailer brakes help reduce stopping distance, improve towing control, and reduce strain on your tow vehicle’s braking system. Regular inspection and maintenance of your boat trailer brakes can help prevent issues while traveling and keep your trailer operating safely.

      Many boat trailers use either boat trailer disc brakes or boat trailer drum brakes. Disc brake systems are commonly used on larger trailers because they provide strong braking performance and improved resistance to heat and corrosion. Drum brake systems are often used on smaller trailers and provide dependable stopping power for lighter loads.

      How Boat Trailer Brake Systems Work

      Most boat trailers use hydraulic surge brake systems that automatically activate when the trailer moves forward toward the tow vehicle during braking. As the tow vehicle slows down, the trailer pushes against the actuator, which applies hydraulic pressure through the brake lines to the trailer’s braking components. This system helps synchronize braking between the tow vehicle and the trailer.

      Maintaining Your Boat Trailer Brakes

      Routine inspection of brake components can help extend the life of your trailer braking system and ensure reliable performance. Common maintenance items include inspecting brake pads or shoes, checking brake lines for leaks, and confirming that actuators and backing plates are operating correctly.

      Wholesale Marine offers a wide selection of boat trailer brakes, brake components, and replacement parts designed to help keep your trailer operating safely. You can also browse our complete lineup of boat trailer parts for additional maintenance and repair components.

      Boat Trailer Brake FAQs

      Do boat trailers need brakes?

      Many boat trailers are required to have brakes depending on the weight of the trailer and the regulations in your state. Trailer brakes help improve stopping performance and reduce strain on the tow vehicle when transporting heavier boats.

      What is the difference between boat trailer disc brakes and drum brakes?

      Boat trailer disc brakes provide strong stopping power and typically perform better in wet environments because they shed water more easily. Drum brakes are commonly used on smaller trailers and offer reliable braking performance for lighter loads.

      How do boat trailer surge brakes work?

      Boat trailer surge brakes operate using hydraulic pressure that is activated when the trailer pushes forward against the tow vehicle during braking. This forward movement compresses the actuator and sends hydraulic pressure through the brake lines to apply the trailer brakes.

      When should boat trailer brakes be replaced?

      Boat trailer brakes should be inspected regularly for wear or damage. Common signs that replacement may be needed include reduced braking performance, worn brake pads or shoes, leaking brake lines, or corrosion on brake components.

      Can boat trailer brakes get wet?

      Yes. Boat trailer brakes are designed to handle water exposure when launching or retrieving a boat. However, regular inspection and maintenance are important to ensure components continue operating properly after repeated exposure to water.