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Graco 157942 Paint Sprayer Pump Body

The Graco 157942 Pump Body is the main housing for select Graco paint sprayers, supporting internal components and ensuring proper alignment for consistent fluid flow and pressure.

  • Main pump housing for 390, 395, 490, 495, 595, and select Ultra/Magnum series
  • Supports pistons, valves, and cylinder assemblies
  • Maintains fluid flow and pressure integrity
  • Durable construction for professional and industrial use
  • Essential replacement part for maintenance or repair

$80.72
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Graco 157942 Paint Sprayer Pump Body Overview

The Graco 157942 Pump Body is the main housing for select Graco paint sprayer pump assemblies. It supports internal components such as pistons, valves, and cylinders, ensuring proper alignment and maintaining fluid flow and pressure.

Compatible Machines

Machine / Pump Series Notes
Graco 390 / 395 Series Airless Sprayers Main pump body housing for contractor-grade sprayers
Graco 490 / 495 / 595 Series Airless Sprayers Supports pistons, valves, and cylinder assemblies for proper fluid flow
Graco Ultra or Magnum Series Mid-Grade Sprayers Replacement housing for compatible pump assemblies
Other Legacy Graco Paint Sprayers Check your model’s parts diagram to confirm 157942 compatibility

Key Features

  • Main housing for Graco paint sprayer pump assemblies
  • Ensures proper alignment of internal components (pistons, valves, cylinders)
  • Maintains fluid flow and pressure integrity
  • Durable construction for industrial and professional use
  • Essential replacement part for maintenance or repair of compatible sprayers

Frequently Asked Questions

It serves as the main structural housing for the pump, supporting pistons, valves, and cylinders while maintaining proper alignment and fluid flow.

Compatible with Graco 390, 395, 490, 495, 595 series, as well as select Ultra and Magnum series mid-grade sprayers. Always check your parts diagram to verify compatibility.

Depressurize and disconnect the sprayer, remove the old pump housing, inspect internal components, install the 157942 pump body, and reassemble according to the service manual.

Using a genuine part ensures correct fit, maintains pump alignment and performance, prevents leaks, and complies with manufacturer specifications.

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