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2- Complete Dexter Brakes 2000 -2200# 7" Hydraulic Backing Plates Trailer axle (023-3989-RL)

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2 Dexter 7" x 1-3/4" Hydraulic Brake Backing Plates – 2,000-2,500 lb Axle – Left & Right

Part Numbers: 023-398-00 (Left) | 023-399-00 (Right)

Complete set of two 7" x 1-3/4" hydraulic uni-servo brake backing plate assemblies for 2,000–2,500 lb trailer axles. Includes one left-hand (driver side) and one right-hand (passenger side) brake assembly.

Common replacement for boat, snowmobile, and light-duty utility trailers. Designed for hydraulic drum brake systems only. Cannot be used with electric brake systems.

Included

  • 1 – Left Hand Hydraulic Brake Backing Plate (023-398-00)
  • 1 – Right Hand Hydraulic Brake Backing Plate (023-399-00)
  • 8 – Mounting Nuts
  • 8 – Washers

R&P Knowledge Hub

Hydraulic backing plates are actuated by brake fluid pressure from a surge actuator or master cylinder. They are not compatible with electric brake controllers or electric drum brake systems.

Uni-servo hydraulic brakes are commonly used on 2,000–2,500 lb axles found on marine and powersport trailers. Brake assemblies are side-specific, so a complete axle requires both a left and right assembly — this kit provides both. Always confirm brake size (7" x 1-3/4"), axle capacity, and mounting flange configuration before ordering.

Features

  • 7" diameter x 1-3/4" wide brake assemblies
  • Designed for 2,000–2,500 lb axle applications
  • Hydraulic drum brake operation (not electric)
  • Includes both left and right side assemblies
  • Common boat and snowmobile trailer application
  • Made in the USA

Specifications

Specification Detail
Manufacturer Dexter
Brake Size 7" x 1-3/4"
Axle Rating 2,000–2,500 lb
Brake Type Hydraulic Uni-Servo
Configuration Left & Right Pair

Verify specifications before installation.

Dexter 023-398-00, 023-399-00, 7 inch hydraulic brake set, 2000 lb trailer brakes, 2500 lb trailer brakes, boat trailer brake kit, left and right backing plates
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