Graco 331051 LP Suction Seat Assembly Kit

Compatible Machines

• Graco professional airless sprayers equipped with Low-Pressure (LP) suction pump assemblies
• Graco contractor-grade sprayers using LP fluid pump suction valves

Product Overview

The Graco 331051 LP Suction Seat Assembly Kit is a genuine replacement service kit designed for use in Graco airless paint sprayers that utilize a low-pressure suction pump system. This component plays a critical role inside the pump by forming a reliable seal at the suction valve, helping the sprayer draw material smoothly and maintain consistent pressure during operation.

Key Functions & Benefits

• Restores proper sealing within the LP suction valve assembly
• Helps prevent loss of prime and inconsistent paint flow
• Supports efficient material intake from the suction tube
• OEM Graco part for dependable fit and performance

Where This Kit Is Used

This suction seat assembly kit is installed inside the fluid pump of compatible Graco airless sprayers. It is commonly replaced during pump maintenance or when addressing suction-related issues such as poor priming, pulsation, or reduced spray consistency.

Technical Summary

Frequently Asked Questions