

The Graco 17Y504 Ceramic Ball Si-N 1.000 Diameter is a high-precision ceramic replacement ball designed to deliver reliable sealing and fluid control performance in compatible Graco airless spray systems.
The Graco 17Y504 Ceramic Ball Si-N 1.000 Diameter is a premium OEM replacement component featuring high-performance silicon-nitride (Si-N) construction. It provides exceptional wear resistance, hardness, and precision sealing performance for fluid control and valve assemblies in professional spray equipment.
| Part Number | 17Y504 |
|---|---|
| Type | Ceramic Ball (Si-N), 1.000″ Diameter |
| Material | Silicon-Nitride Ceramic |
| Application | Valve & Fluid Control Systems |