Dexter K23‑438‑00 Electric Brake Assembly – 12‑1/4″ × 4″, Left Side, 10,000 lb

Deliver reliable stopping power to your trailer with the Dexter K23‑438‑00 Electric Brake Assembly. Engineered for tough 10,000 lb axle systems, this left‑hand (driver side) unit features self‑adjusting operation, durable construction, and compatibility with standard mounting interfaces.

Key Features:

• OEM Dexter Part #: K23‑438‑00
  Genuine left‑hand electric brake kit for 10,000 lb Dexter axles. 

• “Nev‑R‑Adjust” / Self‑Adjusting Design
  Automatically adjusts shoe clearance to maintain consistent braking without frequent manual adjustments. 

• 12‑1/4″ × 4″ Drum Size
  Matched to heavy‑duty 4″ wide brake shoes for effective stopping under load. 

• 7‑Bolt Mounting Flange
  Fits common 7‑hole brake flanges used in 10K Dexter hub/drum assemblies. 

• Left‑Hand / Driver Side Orientation
  Designed to mount on the driver/left side of the trailer axle. 

Specifications:

• Part Number: K23‑438‑00

• Brake Type: Electric / drum brake assembly

• Orientation / Side: Left side (driver side)

• Brake Size (Drum / Shoe): 12‑1/4″ diameter × 4″ width

• Axle Capacity (Pair): 10,000 lb (i.e. two brakes per axle) 

• Mounting Bolt Pattern: 7 holes (7‑bolt flange)

• Wheel Size Compatibility: Fits 15" wheels or larger 

• Adjustment Type: Forward self‑adjusting

• Finish / Construction: Cast backing plate with protective coating / painted finish 

• Included Parts: Backing plate, shoes, magnet, springs

Application / Compatibility

The Dexter K23‑438‑00 brake assembly is suitable for:

• Trailers with Dexter 10,000 lb disc or drum axles

• Heavy-duty cargo, enclosed, equipment, or industrial trailers

• Brake replacement or retrofit setups needing a left-hand electric brake

• Projects needing matching right-side brake assembly (e.g. K23‑439)

Always confirm your flange bolt pattern, drum size, wheel size, and electrical setup before ordering.