Description
12-1/4″ x 3-3/8″ Hydraulic Drum Trailer Brake Assembly – 8000 lb Axles
Upgrade your trailer’s stopping power with this 12-1/4″ x 3-3/8″ Hydraulic Drum Brake Assembly, left-hand (driver side), self-adjusting. Designed for 8K trailer axles, this assembly fits popular brands like Dexter, TK, Lippert, and Texas Pride, making replacements simple and reliable.
Specs:
- Brake Position: Left Hand Side (Driver)
- Brake Type: Hydraulic Drum
- Brake Size: 12-1/4″ x 3-3/8″
- Mounting Flange: 4-Bolt
- Axle Rating: 8,000 lb
- Adjustment: Self-Adjust
- Backing: Free-Backing
- Compatibility: Dexter, TK, Lippert, Texas Pride
- Warranty: 1 Year
- Ready to Ship-Package Specs: (1) 14″x14″x5″ Box @ 16 lbs per brake assembly
Features:
- Easy Installation – Mounts with a 4-bolt brake flange and connects with just two wires (sold separately).
- Simple Maintenance – Rear adjustment ports allow fast and precise brake adjustments.
- Durable Construction – Built to handle heavy loads and demanding road conditions.
- Trusted Quality – Backed by a 1-year warranty from The Trailer Parts Outlet.
Burnishing Instructions:
To achieve optimal braking performance, burnish new brakes by performing 20–30 gradual stops from approximately 40 mph to 20 mph, allowing brakes to cool between each application.
Why Buy From The Trailer Parts Outlet?
We make trailer repairs simple. Whether you’re upgrading your fleet or replacing worn-out components, our premium hydraulic drum trailer brake assemblies are engineered for strength, reliability, and safety. Order online today and get your trailer back on the road with confidence!

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