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Graco 164846 Packing O-Ring 1-3/4 ID x 1-15/16 OD

The Graco 164846 Packing O-Ring (1-3/4" ID × 1-15/16" OD) is a PTFE seal used in high-pressure pump/manifold areas. Use these quick facts to verify fit before ordering.

  • Material: PTFE (Teflon) for chemical resistance and low friction
  • Dimensions: 1-3/4" inner diameter, 1-15/16" outer diameter
  • Typical Location: Pump / manifold sealing on pro airless sprayers
  • Compatibility: Matches models listed under “Compatible Machines” on this page
  • Tip: Clean groove, lightly lube, and seat evenly to avoid twisting

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Compatible Machines

  • Ultra Max II 695
  • Ultra Max II 795
  • Ultra Max II 1095
  • Ultra Max II 1595
  • LineLazer 3900
  • LineLazer 5900
  • GMax II 3900
  • GMax II 5900
  • GMax II 7900

Key Specifications

Part Number 164846
Description Packing O-Ring, 1-3/4" ID × 1-15/16" OD
Material PTFE (Teflon)
Typical Location Pump / manifold sealing area on select professional sprayers

Overview

The Graco 164846 Packing O-Ring 1-3/4" ID × 1-15/16" OD is a genuine sealing component used in high-pressure assemblies to maintain leak-free performance and chemical resistance. Always confirm with your pump parts breakdown to ensure the correct placement and orientation during service.

Installation Notes

  • Inspect the groove and mating surfaces; clean and remove debris before fitting.
  • Lubricate lightly (compatible lube) to ease seating and avoid twisting.
  • Verify torque on associated fasteners per the service manual after reassembly.

Frequently Asked Questions

Match the part number in your unit’s parts manual or pump breakdown to 164846. If your model isn’t listed above, check the specific pump assembly bill of materials.

PTFE offers excellent chemical resistance, low friction, and dimensional stability, which helps maintain seal integrity under high pressure and a wide range of coatings.

Filter fluids, flush after use, and replace worn packings as a set when the service manual recommends. Avoid over-tightening components that compress the O-ring.

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