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Boat Trailer Brakes

      Product Listing

      • Dexter Idler Hub 3,700 lb 545 – Zinc-plated, cupped & studded design, 5-lug 4.5" bolt circle for disc and drum brake trailers.
        $92.69
        $63.89

        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...

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      • Dexter Trailer Buddy Protector with Bra – 7,000 lb, 2.717" OD for 8 on 6.50" bolt pattern trailer hubs.
        $164.59
        $113.59

        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...

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      • Dexter Trailer Buddy Protector with Bra – 6,000 lb, 2.441" OD for 6 on 5.50" bolt pattern trailer hubs.
        $161.99
        $111.79

        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...

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      • Dexter Caliper Replacement Kit LH for DB35 Aluminum Brake Systems – 3,500 to 7,000 lb Axles
        $273.39
        $188.59

        Dexter DB35 3500 - 7000lb Left Hand Aluminum Caliper Replacement Kit K71-776-01 This Dexter Caliper Replacement Kit is designed as a replacement for UFP DB35 braking systems. They are a high-quality replacement for the left-hand (LH) caliper in DB35...

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      • DEX 005-059-00 Washer Tang 1 3/4" 14 GA – Heavy-Duty Steel Washer for Secure Fastening
        $2.99
        $1.99

        Dexter 1-3/4" 14GA Washer Tang 005-059-00 Enhance your trailer brake's durability and stability with this 1-3/4" 14 gauge Washer Tang by Dexter. Designed for high-performance applications & engineered to provide a secure fit. The tang design helps...

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      • Dexter 006-109-00 Cone Wheel Nut – 5/8-18 GR 8 Zinc-Plated for Marine & Trailer Use
        $3.49
        $2.49

        Dexter 90° 9/16-18 Zinc Cone Nut 006-060-00 This Dexter cone nut ensures a secure connection with a zinc plating for outstanding corrosion resistance and in all water types. This 90° but has a 9/16-18 thread that provides reliable fastening for...

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      • Dexter 006-060-00 Cone Nut – 90° 9/16-18 GR 5 Zinc-Plated for Marine & Trailer Applications
        $1.99
        $1.49

        Dexter 5/8-18 GR8 Zinc Cone Wheel Nut 006-109-00 This Dexter cone wheel nut ensures max strength for boat trailer and heavy-duty axle systems. This grade 8 nut has a 5/8-18 thread for easy and secure fastening performance. The zinc plated coating...

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      • Dexter 046-032-00 Rubber Plug for Oil Cap – Marine & Trailer Wheel Hub Seal
        $1.99
        $1.49

        Dexter Replacement Rubber Oil Cap Plug 046-032-00 Keep your trailer's oil cap securely sealed and protected with the Dexter Rubber Plug. Designed for marine, boat, and utility trailers, this high-quality rubber plug prevents oil leaks, contamination,...

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      • Dexter E-Z Lube 12" 7K Hub & Drum Kit with all included hardware
        $459.49
        $316.99

        Dexter E-Z Lube 12" 7K Hub & Drum Kit 008-219-9G Upgrade your trailer’s braking system with the Dexter pre-greased 7K Hub-Drum Kit, designed for 7,000lbs axles and featuring everything you need for smooth and reliable performance. This...

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      • Dexter 8,400lbs 2-5/16" Ball Inner Member Trailer Brake Actuator
        $528.99
        $364.99

        Dexter 8.4K 2-5/16" Inner Member Trailer Brake Actuator 099-384-20 This inner member is a replacement for Dexter and Legacy UFP surge brake actuators. The Drop-N-Go coupler is easy to use and automatically latches in the open or closed position...

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      • Dexter 6,000lbs Zinc Hub & Rotor Assembly K08-440-05
        $266.89
        $184.19

        Dexter 6,000lbs Zinc Hub & Rotor Assembly K08-440-05 Upgrade your trailer’s braking system with the this Dexter hub & rotor assembly. Designed specifically to fit 6,000lbs Dexter disc brakes, this hub-and-rotor assembly offers enhanced...

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      • Dexter 5.2K - 6K 12" Premier Disc Brake Kit
        $503.29
        $347.29

        Dexter 5.2K - 6K 12" Premier Disc Brake Kit K71-895-00 Upgrade your trailer's braking system with this disc brake kit designed for 5,200 - 6,000lbs axles. This comprehensive kit includes a Dacromet hub and rotor, a high-performance cast iron caliper...

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      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.