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Graco 289504 Siphon Air Cap Assembly Kit

The Graco 289504 Siphon Air Cap Assembly Kit is a genuine replacement component designed to restore proper airflow and spray pattern control on siphon-feed spray guns.

  • Designed for siphon-feed spray guns
  • Helps ensure consistent atomisation
  • Improves spray pattern uniformity
  • Ideal for replacing worn or damaged air caps

$248.06
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Compatible Machines

This kit is designed for use with siphon-feed spray gun systems from Graco. It is commonly used on the following machines:

  • Graco siphon-feed spray guns
  • Graco Razor siphon spray gun series
  • Other Graco conventional or HVLP siphon-style spray guns using a compatible air cap design

What Is Graco 289504 Siphon Air Cap Assembly Kit?

The Graco 289504 Siphon Air Cap Assembly Kit is a genuine replacement air cap assembly engineered for siphon-feed spray guns. The air cap plays a critical role in controlling airflow at the front of the spray gun, ensuring consistent atomisation and an even spray pattern.

This kit is ideal for maintenance or replacement when the existing air cap becomes worn, damaged, or clogged, helping restore optimal spray performance and finish quality.

Key Features

Product Type Siphon Air Cap Assembly Kit
Feed Type Siphon Feed
Function Controls airflow and spray pattern formation
Application Conventional and HVLP siphon spray guns
Manufacturer Graco

Why Use This Air Cap Assembly?

  • Helps achieve uniform atomisation for a professional-quality finish
  • Restores proper spray pattern control
  • Designed specifically for siphon-feed applications
  • Ensures reliable performance when replacing worn components

Frequently Asked Questions

A siphon air cap directs compressed air around the fluid nozzle to atomise the coating material, shaping the spray pattern and ensuring smooth, even application.

No. This air cap assembly is specifically designed for siphon-feed spray guns and is not intended for use with gravity-feed systems.

The air cap should be replaced if you notice uneven spray patterns, poor atomisation, excessive overspray, or visible wear or damage to the cap openings.

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