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Dexter Marine Products 099-384-20 DX8.5L Hydraulic Surge Brake Actuator Inner Member Disc Brake Tandem Axle

Manufacturer

Dexter Marine Products

<h3>About Dexter Marine Products</h3><p><strong>Dexter</strong> has been a cornerstone of the trailer components industry since 1960, earning a reputation as one of the most trusted names in axles, brakes, suspension, and related hardware. Headquartered in Elkhart, Indiana, Dexter employs more than 3,800 skilled professionals across the United States and Canada, operating facilities dedicated to engineering, manufacturing, and rigorously testing every product they produce.</p><p><a href="/12891-dexter-marine-products">Dexter Marine Products</a> occupies a unique position in the market: while the parent Dexter brand serves a broad spectrum of industries — utility trailers, RVs, heavy-duty commercial vehicles, agriculture, and manufactured housing — the DexMarine line is purpose-built for the demanding world of boat trailers and watercraft transport. <a href="/12891-dexter-marine-products">Dexter's marine-focused components</a> are engineered to withstand the corrosive effects of saltwater and freshwater submersion that would quickly degrade lesser parts.</p><h3>Why Dexter Stands Apart</h3><p><a href="/12891-dexter-marine-products">Dexter</a> is widely recognized as a world leader in developing and producing safe, reliable trailer components. Their in-house laboratory performs rigorous stress, fatigue, and metallurgical evaluations, while computer-equipped test vehicles analyze real-world product performance. This commitment to quality is reflected in every axle, actuator, brake, and hub that leaves a Dexter facility.</p><p>The product lineup covers an impressive range of needs. <strong>Torflex&reg; torsion axles</strong> offer independent wheel movement and progressive torque action for a smoother, quieter ride — a major benefit when transporting boats over rough roads or boat ramps. <strong>Sprung axles</strong> utilize double-eye and slipper spring configurations and can be mounted in underslung or overslung arrangements. For braking, Dexter's legendary <strong>Nev-R-Adjust&reg; brakes</strong> are a go-to choice for boaters who need reliable, maintenance-friendly stopping power.</p><p>The DexMarine hydraulic brake actuator lineup — including the DX8.0, DX12.5, and DX20EX models — handles capacities up to 20,000 lbs., giving boat trailer owners confidence whether they&apos;re launching a small fishing boat or a full-size yacht. Hub and drum assemblies, wheel bearings, seals, and suspension components round out the portfolio, ensuring that every critical point of contact between trailer and road can be equipped with a genuine Dexter part.</p><h3>Serving Every Trailering Application</h3><p>Beyond the marine world, Dexter&apos;s product ecosystem extends into cargo trailers, utility trailers, recreational vehicles, and heavy-duty commercial applications. With over 50 distribution branches and 350 distributor partners across North America, finding the right replacement component is straightforward for dealers and do-it-yourself enthusiasts alike. All products are manufactured in an ISO 9001:2015 certified environment and backed by Dexter&apos;s Genuine Limited Warranty, underscoring the brand&apos;s commitment to long-term reliability.</p><p>Whether you&apos;re building a new boat trailer from scratch, performing seasonal maintenance on an existing rig, or upgrading to a higher-capacity braking system, Dexter Marine Products provides the engineered solutions that professionals and passionate boaters rely on every season.</p>

Part Number

099-384-20
09/10/2036 9:02 PM
Sale Price

$377.18

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Product Details

The Dexter Marine Products 099-384-20 is a genuine DX8.5L hydraulic surge brake actuator inner member designed for tandem axle boat and marine trailers with disc brake systems. This high-quality replacement component provides reliable, automatic braking synchronization between your trailer and tow vehicle during deceleration.

Key Features:

  • 8,400 lb GVWR capacity rating for heavy-duty marine trailer applications
  • Designed specifically for disc brake systems on tandem axle configurations
  • 2-5/16" ball coupler with over-center latch mechanism for secure connection
  • Includes electric reverse solenoid (054-101-00) to disengage brakes during backing up
  • Linear stroke design provides uniform brake line pressure throughout the stroke
  • Inner member slide model for smooth, responsive hydraulic operation
  • Replaces legacy UFP part number 099-084-20

Dexter hydraulic surge actuators use the trailer's momentum during braking to automatically apply trailer brakes in proportion to the tow vehicle's deceleration, providing smooth, cushioned stops and improved control. This genuine Dexter component is engineered for marine environments and compatible with single and tandem axle trailer brake setups requiring disc brake actuator inner members.

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Satisfied. Next up is bushings and seals for carriage rebuild

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