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Graco 220841 Piston Shaft Tube

$171.06
In Stock
Part #: 220841

The Graco 220841 Piston Shaft Tube is a critical internal pump component that supports smooth piston movement and maintains consistent pressure in industrial spray systems.

  • Part Number: 220841
  • Component Type: Piston Shaft Tube
  • Application: Industrial Graco fluid pump section
  • Function: Guides piston shaft and supports pressure delivery
  • Use: High-pressure industrial coating systems
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Graco 220841 Piston Shaft Tube – Product Overview & Compatibility

Compatible Machines

  • Industrial Graco Airless Paint Sprayers
  • Graco High-Pressure Coating Pumps
  • Graco Heavy-Duty Hydraulic Pump Systems
  • Graco Industrial Surface Coating Equipment

The Graco 220841 Piston Shaft Tube is a precision-engineered internal pump component designed for use in high-pressure industrial spray and coating systems. It forms the structural housing for the piston shaft inside the fluid section of compatible Graco pumps, ensuring smooth piston movement, consistent pressure delivery, and reliable long-term performance in demanding environments.

Primary Function

This component serves as the internal tube where the piston shaft operates during each pump stroke. It plays a critical role in maintaining correct fluid displacement, preventing internal leakage, and supporting consistent spray pressure during operation.

Key Features

Part Number 220841
Component Type Piston Shaft Tube
Application Fluid section of industrial spray pumps
Material Hardened industrial-grade metal
Use Environment High-pressure industrial coating applications

Typical Applications

  • Industrial painting and surface finishing
  • Protective coating systems
  • Automotive and heavy equipment coating
  • Continuous-duty spray operations

Benefits of Using the Correct Piston Shaft Tube

  • Maintains consistent pump pressure
  • Reduces internal wear on the piston assembly
  • Improves overall pump efficiency
  • Extends service life of the fluid section

Frequently Asked Questions

It houses and guides the piston shaft inside the pump fluid section, allowing smooth movement and consistent fluid pressure during spraying operations.

No, this part is designed for industrial and heavy-duty Graco pumping systems rather than small residential sprayers.

Replacement is recommended if there is visible scoring, internal wear, pressure loss, or reduced pump performance.

Installation usually requires partial disassembly of the fluid section. A full rebuild is not always necessary, depending on pump condition.

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