Genuine AxleTek Electric Trailer Brake Assembly | Brake Assembly Box Kit LH | 12" x 2" 6-7,000 lbs. FSA. Includes 5each 3/8"-24 nuts | 12-803

Genuine AxleTek Electric Trailer Brake Assembly | Brake Assembly Box Kit LH | 12" x 2" 6-7,000 lbs. FSA. Includes 5each 3/8"-24 nuts | 12-803

This electric trailer brake assembly is specified as Brake Assembly Box Kit LH, 12" x 2" 6-7,000 lbs. FSA. Includes 5each 3/8"-24 nuts & wire connector. This is a genuine AxleTek component identified by part number 12-803. It is intended for service, repair, or replacement work where the listed dimensions and application details match the trailer.

Key Specifications

• Brake Assembly Box Kit LH
• 12" x 2" 6-7,000 lbs. FSA. Includes 5each 3/8"-24 nuts & wire connector
• Part/SKU: 12-803

Application and Fitment

Designed for compatible trailer brakes applications. Confirm brake diameter and width, axle rating, mounting-flange pattern, and left- or right-hand orientation. Trailer parts that look similar can use different dimensions or ratings, so use the stamped part number and physical measurements as the final fitment check.

Before You Order

Inspect the related components for wear and compare every listed measurement with the part being replaced. Installation should follow the trailer or component manufacturer's procedures and applicable torque specifications.

Why Buy from Trailer Parts Plus?

Trailer Parts Plus supplies practical replacement trailer brakes for utility, cargo, boat, equipment, and commercial trailers. Need help confirming 12-803? Have your axle rating, measurements, and existing part numbers ready so the correct match can be verified.