UFP Unique Functional Products

UFP A-84 Inner Member, Primary Assembly (Drum Brakes). #40300

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  • Regular price $ 453.92
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UFP A-84 Inner Member Slide for DRUM Brakes #40300

UFP A-84 replacement inner member slide for hydraulic drum brakes.  This complete Inner member slide fits into existing outer member housings.  Includes all internal working parts of the A-84 Hydraulic Brake Actuator. All UFP actuator inner member slides and outer housing assemblies are compatible with one another regardless of bolt-on or weld-on configurations.

Complete with: Aluminum Master Cylinder, Shock Absorber, Rollers, Roller Pins, Push-Rod, Latch Assembly and Breakaway Cable.


  • For use with hydraulic drum brakes systems
  • All internal metal working parts are plated for corrosion resistance
  • Standard with a 8,400lb. GVWR rating.
  • 2-5/16" ball 
  • 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 latching mechanism ensures hitch ball is locked in place
  • Breakaway cable kit included
  • 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
  • 2-year limited warranty

40300 UFP A-84 Inner member slide, complete assembly for hydraulic drum brakes

Customer Reviews

Based on 2 reviews
Jeff W. (Parksville, CA)

Product was a perfect fit and the delivery speed was fast . Every staff member i dealt with was excellent

Jim C. (Gig Harbor, US)
Solid work

Looks well made and strong. Haven't installed it yet