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Graco 188493 U-Cup Spray Gun Packing

The Graco 188493 Packing U‑Cup Gun is an OEM u‑cup packing designed to seal and protect internal components in spray gun assemblies.

  • OEM U‑cup packing for gun
  • Prevents internal leakage
  • Durable seal construction
  • Fits compatible Graco spray guns

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Graco 188493 Packing U‑Cup Gun – OEM Spray Gun Sealing Component

Compatible Machines

  • Graco airless spray guns
  • Professional and contractor gun models
  • Graco fluid delivery systems requiring U‑cup packing

The Graco 188493 Packing U‑Cup Gun provides reliable sealing for spray gun internal assemblies, helping prevent leaks and maintain smooth gun operation.

Part Number 188493
Description U‑cup packing for spray gun
Function Internal seal to prevent fluid bypass
Application Graco spray guns

Key Features

  • OEM U‑cup design
  • Prevents internal fluid leakage
  • Durable and long‑lasting material
  • Ensures consistent spray performance

Installation & Usage Tips

  • Clean sealing surfaces before install.
  • Seat the U‑cup properly in the groove.
  • Check for wear regularly and replace when needed.
  • Test spray pattern after installation.

Frequently Asked Questions

It seals moving components to prevent fluid from bypassing internal chambers.

Yes, it is a genuine Graco OEM replacement packing.

Replace when leaks or inconsistent spray patterns are noticed.

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