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Add Trailer Brakes Kit – 3500 lb Axle, 5 on 4.5 Bolt Pattern, Electric Manual Adjust, Genuine Dexter (94545-B-FSA-DEX)

$499.99
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R & P Carriages

3,500 lb Dexter Electric Brake & Hub/Drum Kit – 10" Never-Adjust, 5×4.5 (LEFT & RIGHT)

Part Number: 94545-B-FSA-DEX

COMPLETE SINGLE-AXLE KIT – BOTH SIDES INCLUDED

Complete Dexter 3,500 lb electric brake and hub/drum kit for one trailer axle. This kit includes left and right 10" × 2.25" Dexter Never-Adjust brake assemblies, paired with Dexter 5×4.5 hub/drums, pre-matched bearings, seals, lug nuts, and mounting hardware.

Designed for replacing worn brake components or adding brakes to an already-braked axle where brake flanges and wiring are already present.

Dexter Never-Adjust Brake Benefits

  • Automatically maintains proper shoe-to-drum clearance
  • No periodic manual brake adjustments required
  • Consistent braking performance over time
  • Improved stopping power versus manual-adjust brakes
  • Reduced wear on the tow vehicle’s braking system

Kit Contents (BOM-Matched)

  • 1 × Dexter RIGHT Electric Brake Assembly – 10" × 2.25"
    Dexter P/N: 023-468-00
  • 1 × Dexter LEFT Electric Brake Assembly – 10" × 2.25"
    Dexter P/N: 023-469-00
  • 2 × Dexter Hub/Drum Assemblies – 3,500 lb, 5×4.5 Bolt Pattern
    Dexter P/N: 008-247-05
  • 2 × Bearing & Seal Sets (L68149 Inner / L44649 Outer)
  • 10 × 1/2"-20 Coned Lug Nuts (60° seat)
  • Brake mounting nuts and lock washers

Axle Fitment Requirements

  • For 3,500 lb trailer axles only
  • Requires 4-bolt brake mounting flange
  • Fits 2.25" axle tube
  • Uses standard L68149 / L44649 bearing combination
  • NOT compatible with 2,000–2,200 lb or 5,200–7,000 lb axles

3,500 lb Spindle Reference

3,500 lb axle spindle dimensions

5×4.5 Bolt Pattern Guide

How to measure a 5x4.5 bolt pattern
94545-B-FSA-DEX dexter 3500 lb electric brake hub drum kit never adjust 5x4.5 both sides