Trailer Parts Pro 12-1/4″ x 5″ Electric Brake Assembly, 7-Bolt, 12K–16K, Left, Self-Adjusting

This Trailer Parts Pro 12-1/4″ x 5″ Electric Drum Brake Assembly is built for heavy-duty 12,000–16,000 lb. trailer axles. Designed for the left (driver) side, it features a forward self-adjusting mechanism that automatically maintains proper brake tension, reducing the need for manual adjustments and ensuring consistent braking performance.

The 7-bolt mounting pattern allows for a secure and reliable fit, while the included dust shield helps protect internal components from dirt and debris, extending the life of the assembly. Built with durable materials, this brake assembly is ideal for commercial, agricultural, and equipment trailers that demand dependable stopping power.

Key Features:

• Fits 12,000–16,000 lb. trailer axles
• 12-1/4″ x 5″ brake size
• Left (driver) side configuration
• Forward self-adjusting for low maintenance
• 7-bolt mounting pattern
• Includes dust shield for added protection
• Durable construction for heavy-duty use