

Nylon heavy-duty piston engineered for consistent fluid displacement and smooth pressure control in high-performance airless spray pump systems.
| Compatible Equipment |
|---|
| Fits select Graco airless sprayer pump assemblies requiring a 55 mm x 1/2 in nylon piston configuration |
| Compatible with professional-grade Graco high-pressure coating systems using matching piston specifications |
| Used in heavy-duty industrial spray equipment where UHMW or nylon piston variants are interchangeable by model |
The Graco 01/0064-1/89 Nylon HD Piston 55 mm 1/2 in is a precision-engineered pump component designed for smooth fluid transfer in high-pressure airless spray systems. Built for durability and consistent performance, it supports stable operation in demanding coating environments.