

OEM retainer packing for securing packing rings in One HC pump assemblies, helping maintain rod sealing and reduce leakage.
| Compatible Machines |
|---|
| Graco One HC Series Airless Sprayer Pumps |
| Pneumatic Pump Systems with One HC Fluid Sections |
| High‑Pressure Industrial Sprayers |
The Graco 624928 Retainer Packing is a genuine OEM seal component designed to secure and compress packing sets in the fluid section of One HC pump systems.
Proper retainer packing helps maintain optimal sealing performance and reduce fluid leakage around the pump rod.
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