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Graco 6702 Diffuser Gasket (Same As 4429)

The Graco 6702 Diffuser Gasket (Same As 4429) is a small but essential sealing component used in the diffuser assembly of Graco airless spray guns. It helps maintain proper pressure and prevents internal leakage for consistent spraying performance.

  • Part Number: 6702
  • Alternate Part: 4429
  • Component Type: Diffuser gasket
  • Function: Seals the diffuser assembly and maintains spray pressure
  • Application: Used in Graco airless spray guns with diffuser assemblies
  • Brand: Graco

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Compatible Machines and Equipment

The Graco 6702 Diffuser Gasket (Same As 4429) is designed for use in various Graco airless spray guns and systems that include a diffuser assembly. This small but important sealing component helps maintain proper pressure and prevents leaks inside the spray gun.

  • Graco Contractor Series Airless Spray Guns
  • Graco Professional Airless Spray Guns
  • Graco Industrial Paint Spray Guns with Diffuser Assembly
  • Airless Paint Sprayers using Graco diffuser components
  • Industrial coating and finishing spray systems using compatible Graco gun diffusers

About the Graco 6702 Diffuser Gasket

The Graco 6702 Diffuser Gasket, also known as Part 4429, is a precision sealing component used inside the diffuser section of a spray gun. The diffuser controls the flow and pressure of coating material before it reaches the spray tip, and the gasket ensures that the internal components remain properly sealed during operation.

A properly functioning diffuser gasket helps maintain stable pressure, prevents internal leakage, and ensures consistent spray performance. Over time, gaskets can wear due to pressure, chemical exposure, and regular use, making replacement an important part of routine sprayer maintenance.

Key Features

Part Number 6702
Alternate Part Number 4429
Component Type Diffuser Gasket
Application Sealing component for diffuser assemblies in spray guns
Function Helps maintain pressure and prevents leaks inside the spray gun
Brand Graco

Why This Part Is Important

The diffuser assembly plays a critical role in maintaining proper spray pattern and material flow. The Graco 6702 Diffuser Gasket ensures that the diffuser is sealed correctly so the sprayer can operate at the required pressure without leaks or inconsistent performance.

  • Maintains a tight seal in the diffuser assembly
  • Helps regulate paint or coating flow
  • Supports consistent spray patterns
  • Prevents internal leakage in the spray gun
  • Important for routine maintenance and repair

Frequently Asked Questions

The gasket seals the diffuser assembly inside the spray gun, helping maintain proper pressure and preventing coating material from leaking internally.

Yes, the Graco 6702 Diffuser Gasket is commonly listed as the same replacement component as part 4429.

Replacement is recommended when the gasket shows signs of wear, leakage, or damage, or during routine maintenance of the spray gun diffuser assembly.

The gasket sits within the diffuser assembly inside the front section of the spray gun, helping seal the connection between the diffuser and surrounding internal components.

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