Description
AxleTek 12″ x 3-3/8″ Right Hand Self-Adjusting Electric Trailer Brake Assembly Box Kit – 8,000 lb
Ensure dependable stopping power for heavy-duty towing applications with the AxleTek 12″ x 3-3/8″ Right Hand Self-Adjusting Electric Trailer Brake Assembly Box Kit. Designed specifically for trailers equipped with 8,000 lb axles, this complete box kit delivers consistent braking performance while reducing the need for routine manual adjustments.
Built to FSA (Self-Adjusting) specifications, this passenger-side brake assembly automatically maintains proper brake shoe clearance during normal operation. The box kit format includes essential mounting hardware, making installation faster and more convenient for trailer replacement or service applications.
Key Features:
- Self-Adjusting (FSA) Design: Automatically maintains correct brake shoe adjustment for consistent braking performance.
- Complete Box Kit: Includes right-hand brake assembly and (4) 1/2″ mounting bolts with nuts.
- Heavy-Duty Capacity: Engineered for trailers using 8,000 lb axles.
- Durable Brake Shoes: Automotive-grade friction material bonded to the shoe for long service life.
- E-Coated Backing Plate: Helps resist corrosion in demanding towing environments.
- Electric Brake Compatible: Designed for use with standard electric brake controllers (sold separately).
Specifications:
- Configuration: Right hand (passenger side)
- Brake Size: 12″ diameter x 3-3/8″ wide
- Axle Rating: 8,000 lbs
- Adjustment Type: Self-adjusting (FSA)
- Mounting Hardware: (4) 1/2″ bolts and nuts included
- Brand: Genuine AxleTek
Included in the Box:
- Right Hand Self-Adjusting Electric Brake Assembly
- (4) 1/2″ Mounting Bolts
- (4) 1/2″ Nuts
Compatibility:
This AxleTek 12″ x 3-3/8″ self-adjusting electric brake assembly box kit is designed to fit most standard hub-and-drum brake systems used on heavy-duty equipment trailers, flatbed trailers, and commercial haulers requiring reliable braking on 8,000 lb axles.
Benefits:
- Reduced Maintenance: Self-adjusting design minimizes routine brake adjustments.
- Consistent Stopping Power: Maintains proper shoe-to-drum contact over time.
- Faster Installation: Box kit includes required mounting hardware.
- Heavy-Duty Reliability: Built for demanding commercial and equipment hauling applications.
Safety Assurance:
AxleTek electric brake assemblies are manufactured to meet strict quality and performance standards. Each unit is tested to ensure dependable braking performance under real-world towing conditions.
Conclusion:
Choose the AxleTek 12″ x 3-3/8″ Right Hand Self-Adjusting Electric Trailer Brake Assembly Box Kit for a complete, heavy-duty braking solution. With self-adjusting technology and included hardware, this box kit delivers confidence and reliability for 8,000 lb trailer axles.
- Q: What does FSA mean?
- A: FSA stands for self-adjusting, meaning the brake automatically maintains proper brake shoe adjustment during normal use.
- Q: Is this the passenger-side brake?
- A: Yes, this is the right-hand (passenger-side) brake assembly.
- Q: Does this kit include mounting hardware?
- A: Yes, this box kit includes (4) 1/2″ mounting bolts and nuts.
- Q: Will this fit an 8,000 lb axle?
- A: Yes, this brake assembly is designed specifically for 8,000 lb axles using a 12″ x 3-3/8″ brake configuration.

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