Graco 127488 EZ-Series Piston Kit – Product Overview
The Graco 127488 Piston Kit is designed to maintain EZ-series pumps by replacing worn pistons, restoring pump performance, and preventing leaks.
Compatible Machines
This kit fits Graco sprayers with the EZ-series pump lower:
- Graco model 24U 620 – EZ-series direct-drive pump
- Graco model 24U 986 – EZ-series pump variant
Key Features
- OEM Pistons: Genuine Graco pistons maintain proper tolerances and smooth operation.
- Complete Cylinder Kit: Includes pistons for all cylinders in the EZ-series pump lower.
- Restores Pump Efficiency: Replaces worn components to maintain pressure and performance.
- Factory-Approved Maintenance: Meets Graco standards for EZ-series pump service.
Installation & Service Tips
Follow these best practices when installing the 127488 Piston Kit:
- Depressurize and drain the pump before servicing.
- Clean all internal surfaces thoroughly to remove debris and old piston material.
- Install pistons in correct orientation according to Graco service manual.
- Check pump assembly and torque values after installation.
- Run the pump at low pressure to ensure smooth operation and leak-free performance.
Why Choose This Piston Kit?
Using the Graco 127488 Piston Kit ensures your EZ-series pump remains reliable, efficient, and performs as designed. OEM pistons reduce wear, extend pump life, and prevent downtime.
Frequently Asked Questions
The kit includes all pistons for the EZ-series pump lower cylinders, restoring proper pressure and smooth operation.
Compatible with EZ-series pump models 24U 620 and 24U 986.
Pistons should be replaced if you notice leaks, reduced pressure, or decreased pump performance. Regular inspection prevents damage and maintains efficiency.
No. The 127488 Piston Kit is specifically designed for EZ-series pump lowers and is not compatible with other Graco pump types.