Compatible Machines
Graco 258944 Kit, Piston Retainer Repair 25 is designed for service and maintenance of 25 cc pump systems used in various Merkur spray packages and fluid handling equipment.
- Graco Merkur® Airless Sprayers with 25 cc pumps
- Graco Merkur® ES Sprayers equipped with 25 cc lower pumps
- Graco Merkur® Fine Finish Spray Packages using 25 cc displacement pumps
- Graco Merkur® Electrostatic Spray Packages with compatible 25 cc pumps
- Graco 25 cc Stainless Steel Pump Assemblies
- Graco 25 cc Carbon Steel Pump Assemblies
- Selected Graco Merkur circulation and transfer systems using 25 cc fluid sections
Graco 258944 Kit, Piston Retainer Repair 25 is a genuine OEM repair kit used to restore the piston retainer assembly in compatible 25 cc pump lower sections. Replacing worn internal components helps maintain proper fluid delivery, minimizes downtime, and extends pump service life.
Key Features
| Feature | Description |
| Part Number | 258944 |
| Product Type | Piston Retainer Repair Kit |
| Pump Size | 25 cc |
| Application | Repair and maintenance of piston retainer assemblies |
| OEM Status | Genuine Graco replacement part |
Applications
- Industrial finishing operations
- Protective coating applications
- Wood finishing systems
- Metal fabrication facilities
- Fluid circulation and transfer equipment
- Routine pump rebuilding and preventive maintenance
Benefits of Replacing the Piston Retainer Components
- Helps maintain consistent fluid pressure and flow.
- Reduces leakage caused by worn components.
- Minimizes unplanned downtime.
- Extends the service life of the fluid section.
- Supports reliable performance in demanding applications.
Frequently Asked Questions
It is used to repair the piston retainer assembly in compatible 25 cc Graco pump lower sections and restore proper pump performance.
This kit is intended for Graco 25 cc pump assemblies and related Merkur spray systems.
Yes. Graco 258944 Kit, Piston Retainer Repair 25 is a genuine OEM replacement part manufactured by Graco.
Replacing worn components helps maintain pump efficiency, prevent leakage, and improve the overall reliability of the fluid section.
```
