

OEM support back washer designed to reinforce load distribution and stabilize internal pump assemblies in Graco fluid handling systems under pressure.
| Equipment Type | System Area | Function |
|---|---|---|
| Graco Airless Paint Sprayers | Support and mounting assemblies | Reinforces structural load distribution |
| Graco Fluid Handling Equipment | Back support interface | Helps stabilize connected components |
| Graco Industrial Pump Systems | Pressure support sections | Prevents deformation under load |
| Graco Pump Repair Assemblies | Washer and backing plate area | Maintains alignment and load balance |
The Graco 18E291 Washer, Support Back, 50, Prv is an OEM structural support washer designed to reinforce and stabilize internal pump and mounting assemblies within Graco fluid systems.