Graco 25D159 PTFE Piston Repair Kit is designed for 85cc lower pumps to restore piston sealing, prevent fluid bypass, and ensure smooth high-pressure operation.
The Graco 25D159 Piston Repair Kit, PTFE (085) is an OEM kit designed for 85cc lower pump sections. It restores piston sealing, prevents fluid bypass, and ensures reliable operation in high-pressure industrial spray applications.
| Install Location | Piston assembly in 85cc 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 |
