Complete Trailer Brake Kit – 3500 lb Axle – 10" x 2.25" – 5 on 4.5 Bolt Pattern
This is a complete add-a-brake kit designed for trailers that currently do not have brakes installed. The kit includes drums, electric brake assemblies, bearings, seals, wiring, breakaway system, and hardware for one 3500 lb axle.
Commonly used on utility, cargo, and equipment trailers equipped with standard 3500 lb axles. Verify all measurements before ordering.
Features
- Complete electric brake conversion kit for one axle
- 10" x 2.25" electric brake assemblies (one left, one right)
- 5 on 4.5 wheel bolt pattern brake drums
- Includes breakaway battery, switch, wiring, and 7-way plug
- Designed for typical 3500 lb axle applications
Specifications
| Axle Rating | Typically 3500 lb |
| Brake Size | 10" x 2.25" |
| Bolt Pattern | 5 on 4.5 |
| Backing Plate Bolt Spacing | 2 7/8" center to center |
| Bearings Included |
L68149 inner L44649 outer |
| Grease Seals | 10-19 (1.7") |
Kit Includes
- Two electric brake backing plates (one left-hand, one right-hand)
- Two 10" brake drums with races installed
- All mounting hardware for brake backing plates
- All brake springs, magnets, levers, and shoes
- Inner grease seals
- Inner and outer wheel bearings (shipped loose)
- Ten 1/2-20 lug nuts
- EZ-Lube dust caps
- 25 ft of 14-gauge two-conductor brake wire
- Assorted wire connectors and zip ties
- 12V 4.5Ah breakaway battery with built-in charger
- Breakaway battery case
- Emergency breakaway switch
- 7-way trailer plug
Important Fitment Note: This kit requires an axle with a welded 4-bolt brake mounting flange. Trailers without a brake flange cannot accept electric brakes without axle modification.
Verify axle flange, spindle bearing sizes, and wheel bolt pattern before ordering.
Fitment Notes
Typically used on trailers with standard 3500 lb axles and 5-bolt wheels. Most trailers with this setup have axle tubes around 2 3/8" OD and a welded 4-bolt brake flange.
Verify your axle flange, spindle, and measurements before ordering. Refer to manufacturer documentation for exact fitment.