
2 Pair Hydraulic Backing Plate 12-1/4 x 4 Aftermarket Brake for 23-439 10KHD 9-27
Part Number - 77-A023-2P
This kit contains:
2x Right Hand Hydraulic Brake 12-1/4 x 4
2x Left Hand Hydraulic Brake 12-1/4 x 4
This is a direct replacement for the Dexter 023-405-00 and 023-404-00
Hydraulic Backing Plate Fits Drum number 9-27
It fits 10,000 pound Heavy Duty Axles
MOUNTING BOLTS AND HARDWARE ARE NOT INCLUDED  
THIS LISTING IS FOR TWO PAIRS (2X DRIVER SIDE 2X PASSENGER SIDE)
Features :
Hydraulic Drum Brakes are designed for use with surge-Type Trailer Brake Actuator 
 Self adjusting brakes automatically adjust to deliver optimum performance and brake power
There is no need for manual brake adjustments 
Proper adjustment leads to less wear and tear to your tow vehicle
Very LOW MAINTENANCE 
Dual-plunger design that provides the same amount of braking when in drive or in reverse  
Fits 16" or larger wheels 
Specs:
Axle rating: 10,000 lbs 
Wheel Size: 16" or Larger 
Dimensions: 12-1/4" Diameter x 4" wide 
Mounting Flange bolt pattern: 7 Bolt 
Shipping
We ship quickly and carefully, with tracking provided on every order. Most items ship the same or next business day. Your parts will arrive safely and on time, ready to use.
Returns & Guarantee
Your satisfaction is guaranteed. Returns, refunds, and exchanges are accepted — no hassle. We stand behind every part we sell, so you can purchase with confidence.
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At R and P Carriages, we believe in treating our customers like family. Whether you need a small replacement part or a complete trailer service, we’re here to help with friendly, expert support every step of the way.