K23-434-00 - Left Hand Electric Self-Adjusting Brake (12-1/4" x 3-3/8")

The K23-434-00 Left Hand Electric Self-Adjusting Brake Assembly provides reliable, consistent braking performance with reduced maintenance. The self-adjusting mechanism automatically maintains proper shoe-to-drum clearance during forward braking, helping ensure dependable stopping power over time.

Commonly used on Larson Cable Trailers, this brake assembly is designed for trailers requiring 12-1/4″ x 3-3/8″ electric brakes and is installed on the driver-side (left-hand) wheel position.

Specifications

• Part Number: K23-434-00
• Position: Left Hand (LH / Driver Side)
• Brake Type: Electric, self-adjusting
• Brake Size: 12-1/4 in x 3-3/8 in
• Operation: Forward self-adjusting
• Mounting: Standard 5-bolt brake flange
• Voltage: 12V electric brake system
• Application: Heavy-duty trailer braking

Fitment

• Designed for trailers equipped with 12-1/4″ x 3-3/8″ brake drums
• Commonly used on 7K–8K axle applications (verify axle rating)
• Left-hand orientation for driver-side installation
• Confirm drum size and axle compatibility before installation

Notes

• Sold individually (left-hand only)
• Self-adjusting design reduces manual brake adjustments
• OEM-style replacement brake assembly
• Recommended to replace brakes in matched LH/RH pairs for optimal performance