Match the part number, measurements and connection points that apply to your trailer.
| Hub Face | Measure hub face to hub face. |
|---|---|
| Spring Center | Measure mounting centers and confirm perch configuration. |
| Capacity | Match the required axle rating. |
| Brakes | Confirm brake type and flange configuration. |
Part Number: 77S-1210H-2 | Replaces Dexter K71-438-00
Replacement right-hand hydraulic brake shoe set designed for 12-1/4" × 3-3/8" hydraulic drum brake assemblies commonly used on 8K–10K General Duty trailer axles. This set includes both the primary and secondary shoes required to service one right-side brake.
Compatible with Dexter-style hydraulic brake systems and commonly found on equipment trailers, dump trailers, and heavy utility trailers.
| Item | Description |
|---|---|
| Primary Shoe | Right-hand primary hydraulic brake shoe |
| Secondary Shoe | Right-hand secondary hydraulic brake shoe |
| Specification | Detail |
|---|---|
| Brake Size | 12-1/4" × 3-3/8" |
| Brake Type | Hydraulic drum brake |
| Axle Rating Compatibility | 8K, 9K, and 10K General Duty |
| Drum Compatibility | Dexter 9-123 and 9-44 hydraulic drums |
| Orientation | Right-hand (Passenger Side) |
| Included Quantity | One complete right-hand shoe set (services one wheel) |
This listing is for one right-hand brake assembly only. Left-hand brake shoes are sold separately. Always verify brake size, orientation, and drum compatibility before ordering.
If replacing brake shoes due to uneven wear, it is commonly recommended to service both sides of the axle at the same time.
