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. |
Complete A-60 inner member slide assembly for compatible hydraulic drum brake actuator housings. This listing is for one inner slide assembly for one compatible 7,500 lb GVWR hydraulic drum brake actuator application; outer housing and wheel-end brake parts are not included.
Verify A-60 actuator series compatibility, hydraulic drum brake configuration, 2" ball setup, 7,500 lb GVWR rating, outer housing condition, and included components before installation. This listing is for one inner member slide assembly only and does not include an outer housing or wheel-end axle brake parts.
Compatibility: Designed as a service replacement inner member for compatible A-60 actuator housings.
Vehicle / System Fit: Hydraulic drum brake trailer systems using an A-60 style actuator setup.
Installation Notes: Existing outer housing must be reusable and compatible. Bleed the hydraulic brake system after installation.
Performance Insight: A properly matched inner member helps restore actuator movement, master cylinder operation, and trailer brake response.
Replacement inner slide assembly for compatible A-60 hydraulic brake actuators.
Designed for hydraulic drum brake systems and 7,500 lb GVWR A-60 applications.
Internal metal working components are plated to help resist corrosion in trailer service environments.
Aluminum master cylinder, sealed reservoir, rubber push-rod boot, and included breakaway cable kit.
| Specification | Detail |
|---|---|
| Part Number | 34039U |
| Listing SKU | 34039U |
| Actuator Series | A-60 |
| Product Type | Hydraulic brake actuator inner member slide assembly |
| Quantity Included | One inner member slide assembly |
| Brake Type | Hydraulic drum brake |
| Master Cylinder | Aluminum |
| GVWR Rating | 7,500 lb |
| Ball Size | 2" |
| Bleeding Method | Pressure bleeding or manual bleeding through push-rod operation |
| Reservoir Style | Sealed aluminum master cylinder reservoir |
| Protection Feature | Rubber push-rod boot helps protect against contamination and freeze-up |
| Category | Details |
|---|---|
| Vehicle / System | Trailer hydraulic surge brake system |
| Primary Fit | Compatible A-60 actuator outer housings |
| Brake Application | Hydraulic drum brake trailer systems |
| Service Scope | One inner slide assembly for one compatible actuator / one 7,500 lb GVWR service application |
| Common Uses | Service replacement for worn, damaged, or malfunctioning A-60 drum brake actuator inner assemblies |
| Notes | Confirm actuator series, brake type, coupler configuration, outer housing condition, and trailer rating before ordering. |
| Quantity | Item |
|---|---|
| 1 | A-60 hydraulic drum brake actuator inner member slide assembly |
| 1 | Breakaway cable kit |
