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Graco 238427 Diffuser Seat

Precision Graco 238427 Diffuser Seat designed to regulate fluid flow and provide a reliable seal within compatible Graco spray guns, helping maintain consistent spray performance.

  • Genuine Graco replacement part
  • Supports smooth, controlled material diffusion
  • Used in high-pressure spray gun fluid sections

$162.11
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Graco 238427 Diffuser Seat – Compatible Machines & Product Details

Compatible Machines

  • Graco High-Pressure Spray Guns (selected models)
  • Graco Contractor & Industrial Fluid Spray Guns
  • Graco Manual Spray Guns using diffuser seat assemblies

Product Overview

The Graco 238427 Diffuser Seat is a precision-engineered internal spray gun component designed to regulate fluid flow and provide a reliable sealing surface for the fluid needle. It plays a key role in maintaining consistent spray patterns and proper pressure control in compatible Graco spray guns.

Key Features

Part Number 238427
Product Type Diffuser Seat
Function Controls fluid diffusion and seals the fluid needle
Material High-durability metal construction
Application High-pressure spray gun fluid sections

Usage & Benefits

The diffuser seat helps direct coating material smoothly toward the spray tip while preventing leaks around the needle assembly. Replacing a worn diffuser seat can improve spray consistency, reduce material waste, and restore optimal gun performance.

Installation Notes

  • Install during spray gun fluid section servicing.
  • Ensure the seat is properly aligned with the fluid needle.
  • Always depressurise the system before replacement.

Frequently Asked Questions

A diffuser seat controls how fluid flows through the spray gun and provides a sealing surface for the fluid needle, helping achieve an even spray pattern.

It should be replaced if you notice fluid leakage, inconsistent spray patterns, or during routine spray gun maintenance.

Yes, this diffuser seat is manufactured to Graco specifications for proper fit and performance in compatible spray guns.

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