
10K Electric Trailer Brake Assembly – Left Hand (Driver Side)
Upgrade your trailer with this premium 12.25" x 4" electric brake assembly, designed for 10,000 lb Dexter Heavy-Duty Trailer Axles. Built tough for heavy loads, this driver-side brake provides reliable stopping power and simplified installation.
Note: Fits Dexter Heavy-Duty Axles only. Not compatible with Rockwell, Texas Pride, or TK Trailer Axles.
Product Specs – Driver Side Only
- Position: Driver Side (Left Hand)
- Size: 12.25" x 4"
- Capacity: 10,000 lb per axle
- Flange: 7-Bolt Pattern
- Weight: 19 lbs
- Shipment: Ships in 14x14x6 box
Key Features
-
Easy Install: 7 bolts and 2 wires required (hardware sold separately)
-
Rear Adjustment Ports: Quick and simple brake adjustments
-
Durable & Reliable: Designed for heavy-duty use under tough conditions
-
Warranty: Backed by 1-year manufacturer warranty
Installation & Burnishing
New brakes must be burnished for best performance:
- Perform 20–30 stops from 40 mph down to 20 mph
- Allow brakes to cool between applications
Order Today
This listing is for the Driver’s Side (Left Hand) brake assembly only. If you need a matching passenger-side unit or a complete kit, check our related products.

10K Electric Trailer Brake Assembly – Left Hand (Driver Side)
Upgrade your trailer with this premium 12.25" x 4" electric brake assembly, designed for 10,000 lb Dexter Heavy-Duty Trailer Axles. Built tough for heavy loads, this driver-side brake provides reliable stopping power and simplified installation.
Note: Fits Dexter Heavy-Duty Axles only. Not compatible with Rockwell, Texas Pride, or TK Trailer Axles.
Product Specs – Driver Side Only
- Position: Driver Side (Left Hand)
- Size: 12.25" x 4"
- Capacity: 10,000 lb per axle
- Flange: 7-Bolt Pattern
- Weight: 19 lbs
- Shipment: Ships in 14x14x6 box
Key Features
-
Easy Install: 7 bolts and 2 wires required (hardware sold separately)
-
Rear Adjustment Ports: Quick and simple brake adjustments
-
Durable & Reliable: Designed for heavy-duty use under tough conditions
-
Warranty: Backed by 1-year manufacturer warranty
Installation & Burnishing
New brakes must be burnished for best performance:
- Perform 20–30 stops from 40 mph down to 20 mph
- Allow brakes to cool between applications
Order Today
This listing is for the Driver’s Side (Left Hand) brake assembly only. If you need a matching passenger-side unit or a complete kit, check our related products.

10K Electric Trailer Brake Assembly – Left Hand (Driver Side)
Upgrade your trailer with this premium 12.25" x 4" electric brake assembly, designed for 10,000 lb Dexter Heavy-Duty Trailer Axles. Built tough for heavy loads, this driver-side brake provides reliable stopping power and simplified installation.
Note: Fits Dexter Heavy-Duty Axles only. Not compatible with Rockwell, Texas Pride, or TK Trailer Axles.
Product Specs – Driver Side Only
- Position: Driver Side (Left Hand)
- Size: 12.25" x 4"
- Capacity: 10,000 lb per axle
- Flange: 7-Bolt Pattern
- Weight: 19 lbs
- Shipment: Ships in 14x14x6 box
Key Features
-
Easy Install: 7 bolts and 2 wires required (hardware sold separately)
-
Rear Adjustment Ports: Quick and simple brake adjustments
-
Durable & Reliable: Designed for heavy-duty use under tough conditions
-
Warranty: Backed by 1-year manufacturer warranty
Installation & Burnishing
New brakes must be burnished for best performance:
- Perform 20–30 stops from 40 mph down to 20 mph
- Allow brakes to cool between applications
Order Today
This listing is for the Driver’s Side (Left Hand) brake assembly only. If you need a matching passenger-side unit or a complete kit, check our related products.

10K Electric Trailer Brake Assembly – Left Hand (Driver Side)
Upgrade your trailer with this premium 12.25" x 4" electric brake assembly, designed for 10,000 lb Dexter Heavy-Duty Trailer Axles. Built tough for heavy loads, this driver-side brake provides reliable stopping power and simplified installation.
Note: Fits Dexter Heavy-Duty Axles only. Not compatible with Rockwell, Texas Pride, or TK Trailer Axles.
Product Specs – Driver Side Only
- Position: Driver Side (Left Hand)
- Size: 12.25" x 4"
- Capacity: 10,000 lb per axle
- Flange: 7-Bolt Pattern
- Weight: 19 lbs
- Shipment: Ships in 14x14x6 box
Key Features
-
Easy Install: 7 bolts and 2 wires required (hardware sold separately)
-
Rear Adjustment Ports: Quick and simple brake adjustments
-
Durable & Reliable: Designed for heavy-duty use under tough conditions
-
Warranty: Backed by 1-year manufacturer warranty
Installation & Burnishing
New brakes must be burnished for best performance:
- Perform 20–30 stops from 40 mph down to 20 mph
- Allow brakes to cool between applications
Order Today
This listing is for the Driver’s Side (Left Hand) brake assembly only. If you need a matching passenger-side unit or a complete kit, check our related products.

10K Electric Trailer Brake Assembly – Left Hand (Driver Side)
Upgrade your trailer with this premium 12.25" x 4" electric brake assembly, designed for 10,000 lb Dexter Heavy-Duty Trailer Axles. Built tough for heavy loads, this driver-side brake provides reliable stopping power and simplified installation.
Note: Fits Dexter Heavy-Duty Axles only. Not compatible with Rockwell, Texas Pride, or TK Trailer Axles.
Product Specs – Driver Side Only
- Position: Driver Side (Left Hand)
- Size: 12.25" x 4"
- Capacity: 10,000 lb per axle
- Flange: 7-Bolt Pattern
- Weight: 19 lbs
- Shipment: Ships in 14x14x6 box
Key Features
-
Easy Install: 7 bolts and 2 wires required (hardware sold separately)
-
Rear Adjustment Ports: Quick and simple brake adjustments
-
Durable & Reliable: Designed for heavy-duty use under tough conditions
-
Warranty: Backed by 1-year manufacturer warranty
Installation & Burnishing
New brakes must be burnished for best performance:
- Perform 20–30 stops from 40 mph down to 20 mph
- Allow brakes to cool between applications
Order Today
This listing is for the Driver’s Side (Left Hand) brake assembly only. If you need a matching passenger-side unit or a complete kit, check our related products.