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Graco 289304 Needle, Nozzle & Air Cap Kit, 1.8 mm

Graco 289304 Needle, Nozzle & Air Cap Kit (1.8 mm) is a complete front-end replacement set for Finex HVLP pressure feed spray guns, designed for smooth atomization of medium to high viscosity coatings.

  • Includes: Needle, 1.8 mm Nozzle (0.071 in) & Air Cap
  • Nozzle Size: 1.8 mm for primers, base coats, and industrial finishes
  • Compatible With: Graco Finex Pressure Feed HVLP Spray Guns
  • Purpose: Restores spray pattern, flow control, and finish quality

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Compatible Machines

  • Graco Finex Pressure Feed HVLP Spray Gun (1.8 mm configuration)
  • Finex 289240 Series Pressure Feed Spray Guns
  • Finex 289250 Series Pressure Feed Spray Guns
  • Other Graco Finex HVLP Pressure Feed models designed for 1.8 mm fluid tips

The Graco 289304 Needle, Nozzle & Air Cap Kit, 1.8 mm is a complete front-end replacement set for Finex pressure-feed HVLP spray guns. It restores proper fluid flow, atomization, and spray pattern by replacing the three most critical wear components in the gun head assembly.

Part Number Component Type Orifice Size Application
289304 Needle, Nozzle & Air Cap Kit 1.8 mm (0.071 in) Medium to high-viscosity coatings, primers, basecoats

Kit Contents

  • Fluid Needle – Controls material flow and shut-off
  • Fluid Nozzle – 1.8 mm orifice for consistent coating delivery
  • Air Cap – Shapes and atomizes the spray pattern

Frequently Asked Questions

The 1.8 mm setup is ideal for medium to heavier viscosity coatings such as primers, sealers, basecoats, and industrial finishes that require higher fluid flow.

This kit is designed specifically for Finex pressure feed HVLP spray guns. Compatibility with gravity or suction feed models depends on the gun’s fluid tip system and should be verified before installation.

These three parts work as a matched set. Replacing them together ensures proper sealing, balanced atomization, and a uniform spray pattern, preventing leaks, spitting, and uneven coating.

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