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Graco 331465 Piston Mock-Up

$21.60
In Stock
Part #: 331465

The Graco 331465 Piston Mock-Up is a low-pressure piston component used for testing, fit verification, and assembly checks in compatible Graco LP systems.

  • Designed for low-pressure (LP) Graco equipment
  • Used for mock-up, demonstration, and maintenance tasks
  • Helps verify piston alignment and internal clearances
  • Not intended for active or pressurized spraying operations
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Compatible Machines

  • Graco Low-Pressure (LP) Pump Assemblies
  • Graco LP Fluid Handling Systems
  • Graco Equipment Using LP Piston Mock-Up Configuration

Graco 331465 Piston Mock-Up Overview

The Graco 331465 Piston Mock-Up is a specialized low-pressure piston component designed for testing, demonstration, and fit-verification purposes within compatible Graco LP systems. Unlike standard operational pistons, this mock-up version is primarily used during assembly checks, maintenance procedures, and training scenarios.

It allows technicians to confirm alignment, movement, and internal clearances without subjecting the system to full operating pressure, making it an essential support component for service and inspection workflows.


Key Features

  • Designed specifically for low-pressure (LP) Graco systems
  • Ideal for mock-up, testing, and demonstration applications
  • Helps verify piston fit and internal alignment
  • Supports safe maintenance without full pressure operation
  • Manufactured to Graco dimensional standards

Technical Summary

Part Number 331465
Product Type Piston Mock-Up
Pressure Class Low Pressure (LP)
Application Testing, Assembly, Demonstration
Manufacturer Graco

Frequently Asked Questions

A piston mock-up is used for testing fit, alignment, and movement during assembly or maintenance without operating the system under full pressure.

No. This component is intended for mock-up and testing purposes only and is not designed for continuous pressurized operation.

Compatibility should be verified using the equipment’s parts manual or by matching the piston configuration used in your specific low-pressure Graco assembly.

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