OEM piston guide designed for Graco Dura-Flo 1800 lower assemblies, helping maintain proper piston alignment and smooth pump operation under high-pressure conditions.
| 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 189438 Guide, Piston is a genuine OEM replacement component designed for use in Graco Dura-Flo 1800 lower pump assemblies. This precision-engineered guide helps maintain correct piston alignment and smooth movement during pump operation.
By supporting accurate piston travel within the lower assembly, the guide contributes to consistent fluid pressure, reduced component wear, and dependable pump performance in demanding industrial spraying and fluid transfer applications.
Manufactured to original Graco specifications, the component ensures reliable fitment and compatibility with multiple 290 cc lower units commonly used in high-pressure coating systems.
