Graco 16W493 Piston Ball Repair Kit

Compatible Machines

This kit is typically used in Graco piston-pump systems found in various airless sprayers and professional fluid-handling units. Below are the types of machines commonly associated with this type of piston ball kit:

• Airless paint sprayers using piston-driven fluid sections
• Contractor-grade Graco sprayers with internal ball-and-seat check valve assemblies
• High-pressure coating sprayers with 3-piece piston ball configurations
• Graco OEM pump rebuild applications requiring ball-piston replacement kits

Product Description

The Graco 16W493 Piston Ball Repair Kit is a service component designed to restore proper sealing and fluid flow in compatible piston-pump systems. It replaces worn internal ball components that commonly affect pressure consistency, priming performance, or pump output.

It is used during standard pump maintenance and is ideal for professional operators who need to maintain consistent spraying performance and reduce downtime.

Key Functions

• Restores proper check-valve operation inside the pump
• Improves pressure stability and fluid movement
• Helps reduce pulsation caused by worn piston ball components
• Extends the working life of the sprayer’s fluid section

Included Components

This repair kit typically includes precision-engineered ball components specific to the pump’s internal design. Actual contents may vary depending on manufacturing batch and pump configuration.