Backed by our guaranteed-fit promise.
Refresh or upgrade your heavy‑duty trailer axle with this matched Lippert kit. It combines a forward self‑adjusting 12″ x 2″ electric brake assembly with a 12″ oil‑bath threaded hybrid hub‑drum to deliver smooth, consistent braking and longer maintenance intervals. Designed for 5.2K–7K axles and Lippert’s specialized 8K hybrid axles, this bundle installs easily on any 8‑lug, 6‑1/2″‑pattern hub system used by Lippert, Dexter, Alko, Rockwell and more.
Capacity clarification: When used on standard axles, this kit supports up to 7,000 lbs per axle. On Lippert 12″‑drum “hybrid” axles equipped for heavier bearings, it can be used up to 8,000 lbs. Always verify your axle rating before installation.
| Specifications: | |
|---|---|
| Kit Type | Right‑Hand Electric Brake & Oil‑Bath Hub/Drum Combo |
| Axle Rating | 7,000 lbs (standard) • 8,000 lbs on Lippert 12″ hybrid axles* |
| Brake Drum Dimensions | 12″ diameter × 2″ shoe width |
| Brake Mounting Pattern | 5‑bolt backing plate |
| Hub Bolt Pattern | 8 on 6‑1/2″ |
| Hub Type | Threaded Oil‑Bath Hybrid Hub with Integrated Drum |
| Stud Size | 9/16″ |
| Type of Adjustment | Forward Self‑Adjusting |
| Brake Location | Right‑Hand (Curb Side) |
| Wheel Size Compatibility | 15″–17.5″ (brake) • 16″–17.5″ (hub/drum) |
*Lippert hybrid axles use 12″ drums with 8K‑rated bearings and hardware.

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