OEM piston seal for Graco pumps — prevents fluid bypass around the piston for consistent performance.
*Verify exact fit in your model’s parts list.
The Graco 181959 PISTON SEAL is a genuine OEM part engineered to prevent fluid bypass around the piston in high‑pressure pump systems, preserving performance and longevity.
| Specification | Details |
|---|---|
| Part Number | 181959 |
| Type | Piston Seal |
| Dimensions | Approx. length 2.4 in × width 2.4 in × height 0.25 in |
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