

Graco 25D161 PTFE Piston Repair Kit is designed for 145cc lower pumps to restore piston sealing, prevent fluid bypass, and ensure reliable high-pressure performance.
The Graco 25D161 Piston Repair Kit is an OEM PTFE replacement kit designed for 145cc lower pump sections. It restores piston sealing, prevents fluid bypass, and ensures reliable high-pressure operation for industrial spray applications.
| Install Location | Piston assembly in 145cc lower section |
|---|---|
| Used During | Lower pump rebuild or piston seal replacement |
| Corrects | Piston leakage and fluid bypass |
| Recommended Timing | During preventive maintenance or when leakage occurs |
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