Vendor: MAT

8K Hydraulic Brake – Left Side | MT

SKU: 8HLSA-MT
Regular price $85.00 USD Sale price $85.00 USD Regular price $149.00 USD
Sale 42.95% $64.00 USD (42.95%)
Shipping calculated at checkout.
In stock
Description

This left-side 8K hydraulic brake assembly by MAT is designed for trailers with 8,000 lb axles using a 4-hole mounting flange. Built with a 12.25" x 3.375" drum footprint, it provides dependable braking power while reducing maintenance thanks to its self-adjusting mechanism. Ideal for electric over hydraulic setups in livestock, equipment, and flatbed trailers.

Detailed Information:
Axle Capacity 8,000 lbs
Hub Capacity 12.25" x 3.375"
Bolt Pattern 4-bolt flange
Wheel Compatibility 16", 17.5"
Plunger Type Uni-Servo / Single Plunger
Studs Not applicable
Coating Corrosion-resistant backing plate
Fitting:

Fits the left (driver) side of 8K-rated trailer axles using a 4-bolt brake flange. Compatible with hydraulic and electric-over-hydraulic brake actuator systems. Works with axles from Dexter, Lippert, and Besser Pro. Mounting hardware not included.

Features:
  • Self-Adjusting Mechanism: Automatically maintains optimal brake tension for consistent performance with minimal upkeep.
  • Complete Assembly: Ships fully pre-assembled with shoes, springs, and components mounted to the backing plate.
  • Durable Build: High-grade components ensure long-lasting operation even under heavy load.
  • Electric Over Hydraulic Ready: Ideal for trailers using EOH systems requiring robust hydraulic brakes.
  • OEM Compatibility: Direct replacement for Dexter K23-402-00 and other 8K systems.
Interchangeable Part Numbers:
  • MAT 77-1208H-1
  • MAT 77-1208H-01
  • DEXTER K23-402-00
Product Overview:

This MAT 8K hydraulic drum brake assembly for the left side offers excellent stopping power and ease of installation. With pre-installed components, self-adjusting functionality, and compatibility with leading axle systems, it’s a go-to solution for high-capacity trailer applications.

We want you to be completely satisfied with your purchase. That’s why we offer a hassle-free return policy within 30 days of delivery*. If your item is unused, in original packaging, and eligible for return, you can send it back for a refund or exchange.

*Some exclusions may apply

Some of our products are backed by a 1-year limited manufacturer warranty covering defects in materials and workmanship under normal use. If you experience any issues during this period, we’ll work with you to repair, replace, or resolve it according to warranty terms.*

*Proof of purchase required

Need it fast? We’ve got you covered. Orders confirmed before 3 PM Eastern Standard Time (Monday–Friday) are processed and shipped out the same business day. Orders placed after the cutoff will ship the next business day.

Customer Reviews

Based on 12 reviews
83%
(10)
17%
(2)
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H
Holden De Vaux
Great Value in Bulk

Bought 6 with the 20% discount—huge savings. All installed without issue. Now I’ve got spares and peace of mind for future repairs.

M
Mateo Alvarez
Works Perfectly with EOH Systems

Installed on an electric-over-hydraulic setup—no hiccups. Engages smoothly and releases fully. A reliable, no-nonsense brake assembly.

T
Thomas Reed
Dependable for Heavy Hauls

I use it on a flatbed hauling machinery. Brakes stay cool and responsive. No grabbing or pulsing—just steady, powerful stops.

R
Rich Purdom
Slight Drag at First, But Adjusted

Felt a bit of drag after install, but within 20 miles it self-adjusted perfectly. Now operates smoothly. Quality build for the price.

C
Carl Gumly
Smooth and Reliable Braking

Action is consistent and fade-free under load. Installed on a livestock trailer—handles 7,800 lbs with confidence. Glad I went with MAT.

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