Skip to content

31-5111-HF - 7K, RH, 12" x 2" Hydraulic Brake Backer Complete

by Dexter
Original price $138.95 - Original price $138.95
Original price
$138.95
$138.95 - $138.95
Current price $138.95

The 31-5111-HF is a fully assembled right-hand hydraulic brake backing plate designed for 7,000 lb trailer axles with 12" x 2" drum brakes. This complete brake backer includes the wheel cylinder, shoes, and all internal components pre-installed for fast, bolt-on replacement. Ideal for trailers equipped with surge brake systems, this backing plate offers reliable stopping power and long-term durability.

Features:

  • Complete right-hand hydraulic brake assembly
  • Pre-installed brake shoes, springs, and wheel cylinder
  • 12" x 2" brake size – fits 7K-rated axles
  • Designed for use with surge or hydraulic brake systems
  • Bolt-on replacement for Dexter®, Lippert®, and other 7K axles

Specifications:

  • Part Number: 31-5111-HF
  • Axle Rating: 7,000 lbs
  • Brake Size: 12" diameter x 2" width
  • Side: Right-hand (passenger side)
  • Mounting Flange: 5-bolt pattern
  • Brake Type: Hydraulic (free-backing)
  • Includes: Backing plate, shoes, springs, wheel cylinder (fully assembled)
  • Application: Utility, dump, equipment, and livestock trailers

Fitment:

  • Fits 7K trailer axles with 12" x 2" hydraulic drum brakes
  • Common on trailers with Dexter® or compatible brake systems
  • Use with corresponding LH brake: 31-5110-HF for full axle replacement