The Graco 801490 Plunger is a genuine internal pump component used in Graco pressure washer pump assemblies. It helps generate pressure by moving fluid through the pump cylinder for consistent system performance.
The Graco 801490 Plunger is a genuine internal pump component used in specific Graco pressure washer pump assemblies. This precision-engineered part moves back and forth inside the pump cylinder to create pressure and push fluid through the system. Because the plunger directly controls fluid displacement, it plays a critical role in maintaining consistent pressure and efficient pump performance.
Manufactured to meet original equipment specifications, the 801490 plunger helps restore proper pump function when replacing worn or damaged internal components. It is commonly used in triplex pump systems where multiple plungers operate together to maintain smooth fluid flow and stable pressure output.
| Part Number | 801490 |
| Brand | Graco |
| Component Type | Pump Plunger |
| Function | Creates pressure inside the pump by moving fluid through the pump chamber |
| Application | Used in Graco pressure washer pump assemblies |
| Role in Pump | Reciprocating component that drives fluid movement and pressure generation |
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