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MAT

12K Hydraulic Brake – Right Side | MT
SKU: 12HRSA-MT
$115.00 USD $115.00 USD $166.75 USD
Sale 31.03% $51.75 USD (31.03%)
Shipping calculated at checkout.
In stock
Description

The 12K Hydraulic Trailer Brake – Right Side | MT is built to deliver outstanding braking power for 12,000 lb trailer axles. Designed for the passenger side, it features a 12-1/4" drum, 5" width, and a 7-bolt flange. This fully assembled unit includes self-adjusting functionality, offering long-lasting performance with reduced service needs.

Detailed Information:
Axle Capacity 12,000 lbs
Hub Capacity 12-1/4" x 5"
Bolt Pattern 7-bolt flange
Wheel Compatibility 16" – 17.5"
Races N/A
Studs N/A
Coating Heavy-duty protective finish
Fitting:

Installs on the right-hand (passenger side) of 12K trailer axles using a 7-hole brake flange. Compatible with Dexter, Lippert, and Besser Pro axles. Mounting hardware not included.

Features:
  • Self-Adjusting System: Maintains consistent brake clearance automatically
  • Rugged Build: Suitable for harsh, high-load applications
  • Pre-Assembled Unit: Includes brake shoes, springs, and magnet
  • Low Maintenance: Long-lasting with minimal upkeep required
  • Consistent Braking: Stable performance under full trailer loads
Interchangeable Part Numbers:
  • MAT 77-1212H-2
  • MAT 77-1212H-02
  • Dexter K23-409-00
Product Overview:

Optimized for 12K trailer axles, this right-side hydraulic drum brake from MAT delivers maximum stopping power and durability. With a built-in self-adjusting system and pre-installed components, it's a trusted choice for heavy-duty haulers.

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.
12K Hydraulic Brake – Right Side | MT

Customer Reviews

Based on 12 reviews
83%
(10)
17%
(2)
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J
James Thompson
Excellent Quality, Worth the Price

You get what you pay for. This brake is heavy-duty and the finish is top-notch. I'm confident it will last for years.

D
David S. Kowalski
Minor Scuff on the Housing

The box was a bit beat up and there was a small scuff on the brake housing, but it's purely cosmetic. The brake works perfectly and stops my trailer on a dime.

N
Neddy Tumielli
Flawless Fit and Function

Exactly what my trailer needed. Bolted right on with no issues. The self-adjusting feature is a huge plus, saves a lot of time and hassle.

V
Victoir Boutton
Great Replacement for a Dexter

My old Dexter brake gave out and this was a perfect fit. The quality feels just as good, if not better. Stops my heavy trailer with confidence.

L
Luis Navarro
Slightly Tricky to Bleed

The brake itself is great and works as expected. I did have a bit of trouble bleeding the line, but once I got it, the performance was excellent.

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