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Graco 194390 Bottom Housing

The Graco 194390 Housing Bottom provides sturdy base support for compatible pumps, restoring structural stability and ensuring reliable fluid-handling performance.

  • Durable lower housing assembly for Graco pumps
  • Ensures correct pump chamber alignment
  • Reduces vibration and structural stress
  • Essential for pump rebuilds or damaged bases

$428.28
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Compatible Machines

  • Fits select Graco diaphragm and fluid-handling pumps.
  • Used in industrial paint, coating, and transfer systems.
  • Suitable for pumps requiring a replacement lower housing base.
  • Works with heavy-duty Graco sprayer or fluid transfer units.

Product Overview

The Graco 194390 Housing Bottom serves as a foundational base housing for compatible pump systems, ensuring stable support for internal components. Its robust construction helps maintain proper chamber alignment and reduces mechanical stress. By replacing worn or damaged bottom housings, it restores pump structural integrity for reliable fluid handling.

Specifications

Attribute Detail
Part Number 194390
Component Type Lower housing assembly
Material Heavy-duty engineered metal/plastic composite
Purpose Base housing support for pump internals
Application Fluid transfer, coating, chemical handling systems
Use-case Pump repair, rebuild, or structural maintenance

Key Features

  • Provides solid base housing for pump assembly stability.
  • Enables correct alignment of internal pump components.
  • Reduces vibration and structural stress during operation.
  • Built for durability under industrial fluid-handling conditions.
  • Essential for pump rebuilds or when lower housing is damaged.

Installation

Disassemble the pump completely and remove the existing bottom housing. Place the new 194390 housing carefully, ensuring internal components align properly. Reassemble all parts securely and test the pump under low pressure to verify seal and structural integrity before full operation.

Frequently Asked Questions

Replace it if the housing is cracked, leaking, or causing unstable pump performance.

Yes — a proper base housing ensures chamber alignment and reduces chances of leaks or failures.

Basic mechanical skills are recommended to ensure correct alignment and assembly.

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