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Graco 166601 Gasket

The Graco 166601 Gasket is a durable PTFE seal used in Graco industrial and contractor-grade airless pump systems to prevent leakage and maintain pressure.

  • High-resistance PTFE material
  • Ensures proper pump sealing
  • Supports consistent spray performance

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Graco 166601 Gasket – PTFE Seal Replacement

Compatible Machines

This Graco 166601 Gasket is used in various industrial and contractor-grade Graco airless pump systems. Below is a confirmed/general-use compatibility list:

  • Graco Mark V Series (Standard / ProContractor / IronMan)
  • Graco Mark X Series
  • Graco Ultra 395 / 495 / 595 Series
  • Graco GMAX 3900 / 5900
  • Graco 7900HD & Similar High-Volume Pumps

Product Details

The Graco 166601 Gasket is a PTFE sealing component designed to prevent leakage in pump and valve assemblies. It maintains proper internal pressure, ensures smooth fluid delivery, and supports long-term sprayer performance when used in commercial and industrial Graco airless systems.

Part Number 166601
Material PTFE (High-Durability Polymer)
Function Seals pump/valve components to prevent fluid leakage
Application Airless sprayers & industrial pump systems

Why Choose This Gasket

This PTFE gasket offers excellent chemical resistance and long lifespan, making it ideal for demanding usage with paint, texture materials, and coatings. It is essential for maintaining internal seal integrity and consistent pump performance.

Frequently Asked Questions

It seals internal pump and valve components to prevent leakage, maintain pressure, and ensure reliable fluid movement.

It fits many Mark V and Mark X sprayers. Compatibility may vary by generation, so checking your specific parts manual is recommended.

It is made from durable PTFE, offering excellent resistance to chemicals, solvents, and wear.

Replace it when experiencing leakage, loss of pressure, irregular pump output, or during routine pump rebuilding.

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