
8K Trailer Brake Assembly 12-1/4" x 3-3/8" – Right Side – Self-Adjusting – 4-Bolt Mount
Heavy-duty right-hand electric brake assembly for 8,000 lb trailer axles, featuring a forward self-adjusting design and pre-assembled backing plate. Pre-assembled backing plate is included.
Key Measurements & Specs
| Specification | Detail |
|---|---|
| Part Number | BK-8KE-02-KIT |
| Product Type | Electric trailer brake assembly |
| Brake Size | 12-1/4" x 3-3/8" |
| Axle Rating | 8,000 lb |
| Orientation | Right-hand |
| Mounting Pattern | 4 bolt |
| Side-to-Side Spacing | 3-5/16" |
| Top-to-Bottom Spacing | 3-5/8" |
Fitment / Application
| Category | Details |
|---|---|
| Axle Application | 8,000 lb trailer axles |
| Brake Position | Right side |
| Dexter Reference | 023-435-00 / K23-435-00 |
| Drum References | Frequently used with drums marked 8-218 or 8-285 |
| Fitment Check | Verify brake size, orientation, mounting pattern and bolt spacing before ordering. |
Top Features
| Feature | Buyer Benefit |
|---|---|
| Forward Self-Adjusting | Provides forward self-adjusting brake operation. |
| Pre-Assembled Design | Supplied as a pre-assembled backing plate. |
| Cast Mounting Flange | Uses a cast 4-bolt mounting configuration. |
| Right-Hand Configuration | Identifies the assembly for the right side of the trailer. |
| 8K Application | Designed for 8,000 lb trailer axle applications. |
Overview
The BK-8KE-02-KIT is a heavy-duty right-hand electric brake assembly for 8,000 lb trailer axles. It combines a 12-1/4" x 3-3/8" brake size, forward self-adjusting design, pre-assembled backing plate and cast 4-bolt mounting flange. Dexter numbers 023-435-00 and K23-435-00 are provided as replacement references.
R&P Service Insight
Brake size alone does not confirm fitment. Compare the complete brake and mounting configuration with the assembly being replaced.
- Confirm the Side: This listing is for the right-hand brake assembly.
- Check the Mount: Confirm the 4-bolt pattern and both mounting measurements.
- Compare the Brake: Verify the 12-1/4" x 3-3/8" brake size and 8,000 lb axle application.
R&P Knowledge Hub
Compatibility: Intended for compatible 8,000 lb trailer axle applications using a right-hand 12-1/4" x 3-3/8" electric brake assembly with a 4-bolt mount.
Mounting Measurements: The listed bolt spacing is 3-5/16" side to side and 3-5/8" top to bottom.
Drum References: This brake is frequently used with drums marked 8-218 or 8-285. Drum markings should be considered alongside the brake dimensions and mounting pattern.
Adjustment Type: The assembly uses a forward self-adjusting design.
Brand & Fitment Note
Selling Brand: Not specified in the provided product information.
Application References: Dexter 023-435-00 and K23-435-00 are provided as replacement and application references.
What This Means: Verify the listed reference numbers against the dimensions, orientation and mounting configuration of the brake being replaced.
Before Ordering: Confirm the 8,000 lb axle application, 12-1/4" x 3-3/8" brake size, right-hand orientation, 4-bolt mount and listed bolt spacing.
R&P Repair Insight
The correct replacement depends on matching the physical brake configuration, not on axle capacity or a drum reference alone.
- Orientation Check: Confirm that a right-hand assembly is required.
- Spacing Check: Compare the existing mount with the listed 3-5/16" side-to-side and 3-5/8" top-to-bottom measurements.
- Specification Check: Verify the brake size, axle rating and 4-bolt mounting pattern before installation.
Features
Forward Self-Adjusting Design
Features forward self-adjusting operation for the compatible trailer brake application.
Pre-Assembled Backing Plate
The brake components are supplied on a pre-assembled backing plate.
Cast 4-Bolt Mount
Uses a cast mounting flange with a 4-bolt configuration.
Right-Hand Configuration
Configured specifically for the right side of a compatible trailer axle.
8,000 lb Axle Application
Designed for compatible trailer axles with an 8,000 lb rating.
Dexter Replacement Reference
Listed as a replacement reference for Dexter 023-435-00 and K23-435-00.
Included Components
| Quantity | Part Number | Included Component |
|---|---|---|
| 1 | BK-8KE-02 | Right-hand 8,000 lb electric brake assembly, 12-1/4" x 3-3/8", self-adjusting, 4-bolt mount |
| 4 | 007-097-00 | 1/2"-20 brake mounting bolts for 8K and 9K brake assemblies |
| 4 | 12N | 1/2"-20 mounting nuts |
