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Graco 113137 Packing O-Ring

The Graco 113137 Packing O-Ring is a high-performance seal designed for P2 and HVLP turbine spray guns to prevent leaks and maintain proper spray pressure.

  • OEM part #113137
  • Fits Probler P2 & HVLP Turbine Guns
  • FFKM material for chemical & heat resistance
  • Ensures tight nozzle housing sealing
  • Restores consistent spray performance

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Graco 113137 Packing O-Ring Overview

The Graco 113137 Packing O-Ring is a high-performance sealing ring used in select Graco spray guns to maintain pressure, prevent leaks, and ensure consistent spray performance.

Compatible Machines

  • Graco Probler P2 Spray Gun (standard & premium packing O-ring)
  • Graco HVLP Turbine Guns (including models 244119 & 244120)

Key Specifications

Part Number 113137
Component Type Packing O-Ring / Seal
Material Perfluoroelastomer (FFKM) – high chemical & heat resistance
Common Use Nozzle housing seal for P2 & HVLP turbine guns
Approx. Dimensions 0.10″ (H) × 0.35″ (L) × 0.30″ (W)

Product Highlights

  • Designed to maintain tight sealing under high-pressure spray conditions
  • Compatible with solvent-based and water-based coatings
  • Prevents internal leaks and performance loss
  • OEM-grade replacement ensures proper fit & durability

Installation Notes

  • Fully depressurize the spray system before removing or installing the O-ring.
  • Inspect nozzle housing for scratches or debris before seating the new O-ring.
  • Use only compatible lubricants if lubrication is needed during assembly.
  • Ensure the O-ring is positioned evenly in its groove to avoid pinching.

Frequently Asked Questions

It provides a tight seal inside the spray gun’s nozzle housing, helping maintain pressure and preventing material or air leaks during spraying.

Common signs include leaking material, pressure drop, rough spray patterns, or visible wear or flattening of the existing O-ring.

No. It is specifically listed for the Probler P2 spray gun and certain HVLP turbine guns. Always check your gun’s parts manual to confirm compatibility.

Lubrication is optional but recommended for easier installation—only use lubricants approved for O-rings and compatible with your coatings.

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