Graco 25D157 PTFE Piston Repair Kit is made for 48cc lower pumps to restore piston sealing and maintain smooth, leak-free operation in high-pressure spray systems.
The Graco 25D157 Piston Repair Kit, PTFE (048) is an OEM kit designed for 48cc lower pump sections. It restores piston sealing, prevents fluid bypass, and ensures smooth operation in high-pressure spraying systems.
| Install Location | Piston assembly in 48cc 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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