Graco 866073 Coupling Screw

Graco 866073 Screw / Coupling Screw — OEM Fastening Component

Compatible Machines

• Graco Ultra Max II 390
• Graco Ultra Max II 395
• Graco Ultra Max II 495
• Graco Ultra Max II 595

The Graco 866073 Screw / Coupling Screw is a genuine OEM fastener used to securely connect internal components within the sprayer’s fluid and control assemblies. Proper fastening helps maintain alignment, reduce vibration, and ensure reliable operation during spraying.

Part Specifications

Installation & Usage Notes

• Used to couple and secure specific internal components as shown in OEM diagrams.
• Replace if threads are worn, stripped, or damaged.
• OEM fit ensures correct thread engagement and holding strength.
• Always torque fasteners according to manufacturer guidelines.

Frequently Asked Questions