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Graco 16A529 Shaft Fluid Spring

The Graco 16A529 Shaft Fluid Spring is a direct replacement part for G15 and G40 air-assisted spray guns, ensuring smooth needle return and consistent fine-finish performance.

  • OEM replacement part
  • Supports stable spray pattern
  • For Graco G15 & G40 guns

$27.96
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Graco 16A529 Shaft Fluid Spring – Replacement Part for G15 & G40 Guns

Compatible Machines

This Graco 16A529 Shaft Fluid Spring is designed for use in air-assisted spray gun systems to support smooth needle operation and consistent fluid control.

  • Graco G15 Air-Assisted Spray Guns (various models)
  • Graco G40 Air-Assisted Spray Guns (including models 262929, 262932 and similar)
  • Packages using G40 Guns such as FinishPro 395 (select setups)

Product Details

The shaft fluid spring plays a crucial role in the fluid section of Graco air-assisted guns by ensuring accurate valve return and stable spray performance. It helps maintain consistent coating output when spraying fine-finish materials.

Part Number 16A529
Component Type Shaft, Fluid Spring
Used In Fluid/needle return assembly for G15 & G40 guns
Typical Application Fine finishing, furniture coating, metal fabrication, wood finishing

Key Benefits

  • Ensures smooth and reliable needle return movement
  • Helps maintain consistent spray pattern and finish quality
  • Direct replacement part for simplified maintenance
  • Supports long-term performance of air-assisted spray guns

Installation & Usage

Replacement should be carried out during maintenance of the fluid/needle assembly. Always verify compatibility with your specific G15 or G40 spray gun configuration before installation.

Frequently Asked Questions

It supports fluid spring action and needle return inside G15 and G40 air-assisted guns, helping ensure stable spray performance.

Check your gun model number. If it is part of the G15 or G40 air-assisted gun family, this part is typically compatible. When in doubt, verify with parts diagrams or contact support.

Yes. It is used in air-assisted guns commonly selected for fine-finish woodwork, metal finishing, and furniture coatings.

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