OEM replacement piston engineered to restore reliable priming and consistent fluid displacement in compatible Graco pump assemblies.
| Compatible Equipment | Compatibility |
|---|---|
| Graco displacement pumps using OEM part 276378 | ✔ Compatible |
| Graco industrial sprayers with compatible priming piston assemblies | ✔ Compatible |
| Models listed in Graco service manuals including displacement pumps 236611, 198469, 237945, 236613 and selected L250 pump assemblies | ✔ Verify by part number |
The Graco 276378 Piston is a genuine OEM priming piston designed for Graco displacement pumps used in industrial fluid handling and spraying applications. It forms a critical part of the pump's priming assembly, helping establish consistent fluid movement during startup while supporting efficient pump performance.
Manufactured from stainless steel to Graco specifications, this replacement piston offers dependable durability and precise fitment. Replacing worn piston components with the correct OEM part helps maintain reliable priming, reduce downtime, and extend pump service life. The 276378 priming piston is specified in multiple Graco displacement pump parts manuals for compatible pump assemblies.
This piston is used in compatible Graco displacement pumps installed on industrial paint spraying, coating, sealant, adhesive, and fluid transfer equipment where OEM part number 276378 is specified.
