Graco 16W484 O-Ring Inlet Valve Kit

Graco 16W484 O-Ring Inlet Valve Kit – Compatibility & Details

Compatible Machines

This replacement kit is designed for select Graco airless paint sprayers that use the specific inlet valve style included in this assembly.

• Airless paint sprayers using the inlet valve assembly from the referenced Graco 332882 pump manual
• Older and legacy Hi-Boy and Stand-style sprayers equipped with this valve configuration
• Units requiring OEM inlet valve repair parts matching the 16W484 assembly

Product Overview

The Graco 16W484 O-Ring Inlet Valve Kit is an OEM repair kit used to restore the suction side of the pump on compatible airless sprayers. It replaces worn-out inlet valve components responsible for maintaining prime, preventing backflow, and ensuring smooth paint intake.

Key Features

• OEM kit engineered for reliable sealing and suction valve performance
• Helps resolve priming issues, pressure loss, and fluid-feed inconsistencies
• Includes inlet O-ring and related valve components as supplied by Graco
• Suitable for restoring pump efficiency and preventing premature wear

Technical Notes

• Check sprayer model and pump assembly number to confirm compatibility
• Designed for pumps using the inlet valve design referenced in Graco service documentation
• Installation requires removal of the pump’s suction assembly; follow torque and seating guidelines

Frequently Asked Questions