The Graco 181978 Piston Seal is a premium OEM seal that prevents fluid bypass and maintains consistent pressure within pump cylinders.
The Graco 181978 Piston Seal is a genuine OEM UHMWPE seal engineered to prevent fluid bypass in pump cylinders, ensuring smooth piston travel and consistent pressure delivery.
| Part Number | 181978 |
|---|---|
| Type | Piston seal |
| Material | UHMWPE (Ultra‑High Molecular Weight Polyethylene) |
| Function | Seals piston to prevent fluid bypass |
