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Graco 188557 Packing O-Ring

The Graco 188557 Packing O‑Ring ensures leak-free operation in Graco pump and valve assemblies by providing a reliable seal.

  • OEM O‑ring seal
  • Prevents fluid leakage
  • Durable and flexible
  • Fits Graco industrial assemblies

$24.66
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Graco 188557 Packing O‑Ring – Leak Prevention for Pumps and Valves

Compatible Machines

  • Graco pumps and valves
  • Professional Graco fluid systems
  • Industrial Graco equipment

The Graco 188557 Packing O‑Ring provides a secure seal to prevent leaks, maintaining consistent performance in Graco pumps and valve assemblies.

Part Number 188557
Description O‑ring for pump and valve sealing
Function Prevents fluid leaks
Application Graco pumps and valves

Key Features

  • OEM-grade O‑ring
  • Prevents fluid leaks
  • Durable and flexible construction
  • Ensures reliable system performance

Installation & Usage Tips

  • Clean the groove and mating surface before install.
  • Seat O-ring properly without twisting.
  • Inspect regularly and replace if worn.
  • Test the system after installation.

Frequently Asked Questions

Yes, it is a genuine Graco OEM O‑ring.

It is used in Graco pumps and valve assemblies to maintain a leak-free seal.

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