OEM pump piston engineered for Graco Dura-Flo 1800 lower assemblies, supporting consistent pressure and reliable fluid displacement in industrial spray applications.
| Compatible Equipment | Series / Type |
|---|---|
| Graco Dura-Flo 1800 | 290 cc Lower Units |
| Lower Part No. 222801 | Dura-Flo 1800 |
| Lower Part No. 222802 | Dura-Flo 1800 |
| Lower Part No. 222803 | Dura-Flo 1800 |
| Lower Part No. 222804 | Dura-Flo 1800 |
| Lower Part No. 222805 | Dura-Flo 1800 |
| Lower Part No. 222806 | Dura-Flo 1800 |
The Graco 189433 Piston, Pump is a genuine OEM piston component designed for use in Graco Dura-Flo 1800 lower pump assemblies. It plays a critical role in maintaining proper fluid displacement, pressure consistency, and pump efficiency during demanding industrial spraying and fluid handling operations.
Engineered for durability and precision performance, this piston assembly is manufactured to meet original Graco specifications for fit and operational reliability. The component helps ensure smooth pump cycling and dependable fluid transfer in high-pressure applications.
Commonly used in 290 cc lower units, the piston is an essential replacement part for maintaining pump performance and minimizing downtime in production environments.
