

The Graco 164654 Retainer Seal secures the piston seal in the pump assembly, ensuring reliable sealing and pressure retention during spraying.
The Graco 164654 Retainer Seal (also listed as Graco 164-654 Retainer, Seal) is used in the pump/fluid section to retain sealing components. Verify by model series/serial in your parts manual.
The Graco 164654 Retainer Seal is a genuine OEM retainer that secures piston/seal elements inside the displacement pump, helping maintain pressure integrity and reduce leaks during operation.
| Attribute | Detail |
|---|---|
| OEM Part Number | 164654 (Retainer, Seal) |
| Category | Packings & Seals / Pump Hardware |
| Typical Location | Displacement pump / piston seal retention |
| Compatibility Note | Match by model series and serial/build; consult the official Graco parts manual for your exact sprayer. |
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