AL-KO 12.25" x 3.375" Electric Brake Assembly – 8K Axle – 4 Bolt – LEFT
AL-KO 12.25" x 3.375" electric brake assembly designed for 8,000 lb trailer axle applications. This is the LEFT (driver side) configuration and mounts to a standard 4-bolt brake flange.
Assembly includes brake shoes, magnet, return springs, adjuster, and backing plate. Fully pre-assembled for direct bolt-on replacement. Listing is for ONE brake assembly (one wheel).
R&P Knowledge Hub
12.25" x 3.375" brake assemblies are commonly used on 8K axles found under equipment trailers, deckovers, car haulers, and commercial flatbeds.
Correct drum width is critical — this brake is 3.375" wide and must match a compatible 12.25" x 3.375" drum. Not interchangeable with 3.5" wide versions. Verify 4-bolt flange configuration and correct left/right orientation before ordering.
Features
- 12.25" diameter x 3.375" wide brake assembly
- 4-bolt mounting flange
- Designed for 8,000 lb axle applications
- Pre-assembled backing plate
- AL-KO electric drum brake system
Specifications
| Specification | Detail |
| Brake Type | Electric Drum |
| Brake Size | 12.25" x 3.375" |
| Axle Rating | 8,000 lbs |
| Mounting Pattern | 4 Bolt |
| Orientation | Left (Driver Side) |
Verify specifications before installation.
