

Graco 25D237 Full Piston & LTHR Repair Kit is an OEM kit for rebuilding 250-size piston assemblies, ensuring reliable sealing and consistent spray performance.
This full piston repair kit is designed for Graco lower pumps with the 250-size piston configuration.
| Part Number | 25D237 |
|---|---|
| Kit Name | Kit, Repair, Full Piston & LTHR (250) |
| Kit Type | Full piston and LTHR repair kit |
| Materials | LTHR & PE/PU components |
| Size Class | 250 piston configuration |
| Purpose | Complete piston rebuild to restore sealing and performance |
| OEM | Genuine Graco replacement part |
The Graco 25D237 Kit, Repair, Full Piston & LTHR (250) is an OEM repair kit for 250-size piston assemblies. It includes all LTHR and PE/PU components needed for a complete piston rebuild, ensuring reliable sealing and consistent spray performance.
Using this kit restores pump efficiency, reduces leakage, and maintains proper spray pressure in demanding industrial applications. Always verify your lower pump model before installation.
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