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Dexter/ Ufp Model A-84Xl, 8400# Capacity Disc Brake Actuator, For 2-5/16" Ball Inner Slide

https://www.trailerpartsdepot.com/web/image/product.template/19829/image_1920?unique=c48306d

SKU: 099-384-20

437.18 437.1776 USD 526.72

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UFP By DEXTER A-84 Hydraulic Surge Brake Actuator (Disc Brakes) - 2-5/16" Ball Over-center latch ball coupler - 8,400 lb rating Inner Slide Model

Electric back up solenoid included with this model. For use with single axle and tandem trailer brake setups.

Capacity: 8,400 lbs
Brake Type: Hydraulic Surge - Disc
Coupler Type: 2-5/16" Over-center latch mechanism

UFP By DEXTER Hydraulic Surge Actuators cushion the trailer movement during deceleration by automatically synchronizing the trailer brakes with the tow vehicle brakes.
Their linear stroke design provides uniform brake line pressure throughout the stroke for improved stopping and smooth operation.

    Features:

    • For use with hydraulic disc brakes systems on 2-Axles
    • All internal metal working parts are plated for corrosion resistance
    • Standard with a 8400lb. GVWR rating.
    • Complete with an electrical reverse solenoid that allows you to back-up without brakes engaging.  Solenoid is covered by housing for protection against damage
    • Standard all Aluminum master cylinder for excellent corrosion resistance
    • Sealed aluminum master cylinder reservoir inhibits moisture from entering
    • Rubber push rod boot offers protection against freeze up
    • Exclusive UFP over center latching mechanism ensures hitch ball is locked in place
    • Breakaway kit with cable included
    • The inner-member on this complete assembly can be removed easily for repair or replacement
    • The A-84 is very easy to bleed, it can be pressure bled, or you can stroke the master cylinder push rod with a screwdriver
    • Compatible with weight equalizing hitches
    • 2-year limited warranty
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May 20, 2026 by Steven D. (LA, United States)
“Very pleased with my purchase”
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May 19, 2026 by James L. (United States)
“I like the website, easy to order parts for my trailer. I’ll be using your site now. Glad I found it.”
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May 18, 2026 by Giovanni D. (United States)
“Quick and easy I would definitely buy from you guys again”