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Graco 105667 Packing O-Ring

The Graco 105667 Packing O-Ring provides a reliable, chemical-resistant seal for Graco spray guns to prevent leaks and maintain steady spray performance.

  • Made from durable Viton® material
  • Used in Graco PRO 4000 and related spray guns
  • Ensures long-lasting sealing under high pressure

$40.59
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Comprehensive Details of Graco 105667 Packing O-Ring

The Graco 105667 Packing O-Ring is a high-quality Viton® sealing component engineered to ensure reliable, leak-free operation in Graco spray guns. Designed for durability and chemical resistance, this O-ring maintains consistent performance even under demanding spray conditions.

Compatible Machines

This O-Ring is used in several Graco PRO series spray guns and compatible equipment. Below is the known list of machines that fit the 105667 Packing O-Ring:

  • Graco PRO 4000 Spray Gun (Series A, B, C, D)
  • Graco PRO 3500 Spray Gun
  • Graco PRO X Series Guns (selected models)
  • Graco Contractor and FTx Guns using PRO 4000-style assemblies

Key Features

  • Made from Viton® (fluorocarbon) for exceptional chemical and heat resistance.
  • Provides a secure seal for spray gun fluid sections and packing assemblies.
  • OEM-grade part ensures compatibility and long-lasting performance.
  • Color-coded green for easy identification and maintenance reference.

Technical Specifications

Specification Details
Part Number 105667
Material Viton® (Fluorocarbon)
Color Code Green
Type Packing O-Ring
Application Sealing component for Graco PRO series spray guns
Temperature Resistance High — suitable for solvent-based and water-based coatings

Replacement & Maintenance Information

The Graco 105667 Packing O-Ring is typically located within the packing or fluid seal assembly of Graco PRO spray guns. Regular inspection and replacement during maintenance cycles help prevent leaks and maintain optimal spray performance. Always confirm the correct part number in your model’s service manual before replacement.

Frequently Asked Questions

It serves as a sealing component within the spray gun assembly to prevent paint or coating material from leaking and to maintain steady pressure during operation.

The 105667 O-Ring is made of Viton®, a high-performance fluorocarbon material known for its superior chemical resistance and temperature stability.

Yes, as long as the aftermarket repair kit matches OEM specifications and uses the same dimensions and material grade, this O-ring can serve as a suitable replacement.

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