Graco 220915 Piston Repair Kit

Graco 220915 Piston Repair Kit – Product Overview & Compatibility

Compatible Machines

• Compatibility depends on specific Graco piston pump model
• Verify fit using your pump’s official Graco parts manual
• Match the original piston assembly part number before purchase
• This kit is not universal and should only be installed on approved models

Product Description

The Graco 220915 Piston Repair Kit is designed to restore proper sealing and performance to compatible Graco piston-style fluid pumps. It replaces worn internal piston components that commonly degrade due to pressure, chemical exposure, and continuous operation. Proper installation of this kit helps eliminate leakage, restores consistent pressure, and extends overall pump service life.

Primary Function

Common Symptoms Indicating Replacement

• Fluid leaking past the piston chamber
• Loss of pressure during operation
• Inconsistent fluid output
• Excessive internal wear visible during inspection
• Reduced pump efficiency under load

Installation Notes

• Always depressurize the system before servicing
• Confirm exact pump model and serial range prior to installation
• Use manufacturer torque specifications when reassembling
• Lubricate seals during installation to prevent dry start damage

Frequently Asked Questions