Graco 287388 Piston Valve
$56.40
$61.50
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Graco 287388 Piston Valve is an OEM internal pump component that controls fluid flow inside the displacement pump, ensuring consistent pressure and reliable sealing during spraying.
- Genuine Graco replacement part
- Used in Endurance and Endurance MaxLife™ displacement pumps
- Supports smooth piston movement and steady material delivery
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatible Machines
- Graco 24W996 Endurance Displacement Pump
- Graco 24W998 Endurance MaxLife™ Displacement Pump
- Graco 24W999 Displacement Pump
- Selected Graco GH Series Airless Sprayers
- Selected Graco EH Series Hydraulic Sprayers
Product Overview
The Graco 287388 Piston Valve is a genuine OEM internal pump component designed for use in high-pressure airless and hydraulic spray systems. This valve plays a critical role in regulating fluid flow inside the displacement pump by opening and closing with each piston stroke, ensuring consistent pressure, smooth material delivery, and reliable sealing during operation.
Key Features
| Part Number | 287388 |
|---|---|
| Part Type | Piston Valve |
| Brand | Graco |
| Application | Displacement Pump Fluid Control |
| Function | Controls intake and discharge flow within the pump chamber |
| Material Handling | Paints, Coatings, and High-Viscosity Fluids |
Why Use a Genuine Graco Piston Valve?
- Maintains proper sealing and pressure balance
- Ensures smooth piston movement and reduced wear
- Designed for high-pressure, continuous-duty applications
- Exact fit for Graco displacement pump assemblies
Frequently Asked Questions
It controls the movement of fluid inside the displacement pump by allowing material to enter and exit the pump chamber during each piston stroke, maintaining consistent spray pressure.
Yes, the Graco 287388 Piston Valve is an OEM part manufactured to meet original equipment specifications for fit, durability, and performance.
Replacement is recommended if you experience loss of pressure, pulsation, material backflow, or reduced pump efficiency due to wear or sealing failure.
No. This piston valve is designed for specific Graco displacement pump models. Always verify compatibility with your pump’s parts diagram before installation.
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