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Graco 189355 Piston Stem

The Graco 189355 Piston Stem ensures smooth piston operation and precise fluid control in Graco diaphragm pumps.

  • OEM piston stem replacement
  • Supports accurate piston movement
  • Durable metal construction
  • Designed for Graco Husky pumps

$114.14
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Graco 189355 Piston Stem for Diaphragm Pumps

✔ Compatible Machines

  • Graco Husky 1590 diaphragm pumps
  • Graco Husky 2150 diaphragm pumps

Overview

The Graco 189355 Piston Stem is a precision component designed to transmit force from the pump's drive mechanism to the pistons. It ensures smooth, accurate operation and helps maintain proper fluid pressure.

Key Features

Part Number 189355
Component Type Piston stem
Material Hardened metal
Function Piston movement and fluid control

Installation & Usage Tips

  • Ensure proper alignment with pistons and drive mechanism.
  • Lubricate as recommended during installation.
  • Inspect for wear or bending before reuse.

Frequently Asked Questions

Yes, wear or bending can cause misalignment and reduced efficiency.

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