At a Glance

> Side Match: This listing is for the right-hand brake assembly, commonly referenced as the passenger side.
> Hardware Included: Includes hex head nuts and rubber plugs as listed for this assembly.
> Fit Check: Confirm backing plate size, axle capacity, and new style flange details before removing the old unit.
> Right vs. Left: Confirm you need the right-hand assembly before ordering, since the opposite side uses a different brake assembly.
> Flange Verification: Make sure your axle uses the new style flange listed for this brake assembly.
Brand: Dexter
SKU: K23-479-00

Before You Order

Match the part number, measurements and connection points that apply to your trailer.

Hub Face	Measure hub face to hub face.
Spring Center	Measure mounting centers and confirm perch configuration.
Capacity	Match the required axle rating.
Brakes	Confirm brake type and flange configuration.

Product Details

Trailer Brake Assembly / Electric Brake / 4,400 lb Axle

Electric Brake Assembly Right Hand 10 x 2-1/4 for 4,400 lb Axles New Style Flange K23-479-00

Right-hand electric brake assembly for trailer applications using a 10 inch x 2-1/4 inch backing plate size and new style flange on 4,400 lb axles. Includes hex head nuts and rubber plugs; verify axle rating, side orientation, and flange style before ordering.

Part Number: K23-479-00 10" x 2-1/4" Brake Size Right Hand / 4,400 lb Axle

Overview

This electric brake assembly is a replacement right-hand brake solution for trailer applications using a 10 inch x 2-1/4 inch backing plate, new style flange, and 4,400 lb axle setup. It is a practical choice when replacing a worn, damaged, or non-matching passenger-side brake assembly, and it includes hex head nuts and rubber plugs to support installation on compatible setups.

R&P Service Insight

Brake assembly swaps are much easier when side orientation and flange style are confirmed before install. Right- and left-hand assemblies are not interchangeable, and even a correct brake size can still miss the axle if the flange style is wrong.

Side Match: This listing is for the right-hand brake assembly, commonly referenced as the passenger side.
Hardware Included: Includes hex head nuts and rubber plugs as listed for this assembly.
Fit Check: Confirm backing plate size, axle capacity, and new style flange details before removing the old unit.

R&P Knowledge Hub

Compatibility: Intended for trailer brake applications using a right-hand electric brake assembly with 10 inch x 2-1/4 inch sizing, new style flange, and 4,400 lb axle rating where specifications match.

Vehicle / System Fit: Trailer axle brake system for compatible electric brake setups.

Installation Notes: Confirm right-hand orientation, backing plate size, axle rating, and flange style before installation. Compare the existing assembly to ensure mounting and configuration match your trailer.

Performance Insight: Correct side orientation and proper brake sizing help maintain balanced braking response and proper backing plate alignment at the axle flange.

Brand & Fitment Note

Selling Brand: Not specified

Application Reference: Any OEM or platform names in this listing describe compatibility, fitment target, or application style only where supported by verified dimensions, mounting points, and configuration details.

What This Means: This listing is for a right-hand electric brake assembly, not a guaranteed fit for every 4,400 lb trailer axle unless the brake size, flange style, side orientation, and mounting details match your current application.

Before Ordering: Verify measurements, mounting style, orientation, connector style, axle/brake/hub specifications, and included components before installation.

R&P Repair Insight

Most brake assembly ordering errors come from choosing the wrong side, assuming axle capacity alone guarantees fit, or overlooking flange differences. Double-check the existing brake before purchase so the replacement matches the passenger-side application you are servicing.

Right vs. Left: Confirm you need the right-hand assembly before ordering, since the opposite side uses a different brake assembly.
Flange Verification: Make sure your axle uses the new style flange listed for this brake assembly.
Included Parts Review: Confirm the included hex head nuts and rubber plugs match what you need for your installation.

Features

Right-Hand Brake Assembly

Configured as a right-side electric brake assembly for compatible trailer axle brake systems.

10" x 2-1/4" Backing Plate Size

Built for applications using a 10 inch by 2-1/4 inch brake backing plate format.

New Style Flange Fitment

Designed for setups that use the new style flange, helping match the correct mounting configuration.

Installation Parts Included

Includes hex head nuts and rubber plugs as listed for this right-hand brake assembly.

Specifications

Specification	Detail
Part Number	K23-479-00
Brand	Not specified
Product Type	Electric brake assembly
Application	Trailer axle brake system
Material / Finish	Not specified
Key Measurement	10" x 2-1/4"
Fitment	Right-hand electric brake for compatible 4,400 lb axle applications
Flange Style	New style flange
Included Items	Hex head nuts and rubber plugs

Fitment / Application

Category	Details
Vehicle / System	Trailer electric brake system
Primary Fit	4,400 lb trailer axles using a right-hand 10" x 2-1/4" electric brake assembly with new style flange
Secondary Fit	Replacement use where existing brake size, side orientation, and flange configuration match this assembly
Notes	Verify axle rating, right-hand orientation, backing plate size, and new style flange details before ordering or installation.

Included Components

Quantity	Item
1	Right-hand electric brake assembly
Included	Hex head nuts
Included	Rubber plugs

Verify all measurements, axle rating, side orientation, flange style, mounting points, wiring connection details, and included components before installation. This listing should be matched to your existing brake setup before purchase.

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K23-479-00 right hand electric brake assembly, 10 x 2-1/4 trailer brake right side, 4400 lb axle electric brake, new style flange brake assembly, trailer brake backing plate right hand, electric trailer brake with nuts and plugs, 10 inch trailer brake replacement

Electric Brake Assembly Right Hand 10 x 2-1/4 for 4,400 lb Axles New Style Flange (K23-479-00)