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Graco 331321 Terminal Box Weldment

The Graco 331321 Box Terminal Box Weldment is a genuine OEM enclosure designed to protect and organise electrical terminals and wiring inside compatible Graco machines.

  • Durable welded metal construction
  • Protects internal electrical connections
  • Helps prevent damage from dust and vibration
  • Direct replacement OEM Graco part

Retail Price: $124.5
You save: $10.33 (8.30%)
Our Price: $114.17
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Graco 331321 Box Terminal Box Weldment – Product Overview

The Graco 331321 Box Terminal Box Weldment is a genuine OEM Graco replacement component designed to provide a secure and durable enclosure for electrical terminals and internal wiring. This welded metal assembly helps protect electrical connections from dust, debris, and jobsite wear while keeping wiring organised inside the machine.

Compatible Machines

This terminal box weldment is used on select Graco industrial sprayers and line striping machines. Always confirm compatibility using your machine’s parts manual.

  • Graco LineLazer 3400
  • Graco LineLazer 3900
  • Graco LineLazer 5900

Key Features

Part Number 331321
Component Type Terminal Box Weldment
Function Protects and houses electrical terminals and wiring
Construction Welded metal enclosure for durability
OEM Status Genuine Graco replacement part

Why Replace the Terminal Box Weldment?

A damaged or corroded terminal box can expose wiring and electrical connections, increasing the risk of downtime or electrical faults. Replacing it with the correct OEM weldment helps maintain safe operation and long-term reliability of your Graco equipment.

Frequently Asked Questions

It serves as a protective housing for electrical terminals and wiring, helping prevent damage from dirt, moisture, and vibration during machine operation.

No. This weldment is the metal enclosure only. Electrical terminals and wiring are installed separately according to the machine’s design.

Check your machine’s exploded parts diagram or parts list and verify that part number 331321 is specified for your exact model.

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