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Graco 165052 Packing O-Ring

This PTFE (Teflon) packing O-ring provides a precise seal for Graco Monark and President pump systems, ensuring leak-free performance and pressure retention.

  • Used in Monark 14:1, 15:1, and 23:1 pumps
  • Compatible with Viscount 3000 and President 30:1 / 46:1 models
  • Prevents leaks at the displacement pump intake
  • Durable Teflon design for chemical and wear resistance

$45.27
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Overview & Compatibility for Part 165052

Compatible Machines

This pack­ing O-ring is used in select Graco industrial pump systems. Confirm your pump ratio/model below.

  • Monark 14:1 pump systems
  • Monark 15:1 pump systems
  • Monark 23:1 pump systems
  • Viscount 3000 / Viscount I 3000 / Viscount II 3000
  • President 30:1
  • President 46:1
  • EH 333
  • EH 433 / EH 433 GT
  • GH 433

Key Details

Part Number 165052 (also written as 165-052)
Type Graco 165052 Packing O-Ring; PTFE (Teflon) seal
Typical Location Displacement pump intake/inlet area on listed pump systems
Primary Function Maintains pressure integrity and helps prevent fluid leakage at the intake/housing
Fit Note Use only on pump assemblies/ratios that explicitly specify 165052 in their parts list

Description

A PTFE (Teflon) packing O-ring designed for the intake side of select Monark, President, Viscount, EH, and GH displacement pumps. Its sealing profile reduces bypass and pressure loss under high-pressure spraying conditions.

Frequently Asked Questions

Check your machine’s parts manual or the label on the displacement pump. If the bill of materials lists 165052 for the intake/inlet seal, it’s the correct replacement.

Loss of pressure, seepage around the intake housing, difficulty priming, or visible damage/flattening on the old O-ring are common indicators.

The seal is PTFE (Teflon), widely compatible with many coatings and solvents. Always confirm chemical compatibility with the fluid manufacturer before use.

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