Graco 18B390 Harness, Key Switch
$71.07
$77.50
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OEM Graco key switch harness engineered for reliable electrical connection and consistent startup performance in compatible spray foam and fluid handling systems.
- Part Number: 18B390
- Supports key switch and ignition wiring
- Compatible with select Graco Reactor systems
- Designed for OEM electrical fitment
- Helps maintain dependable machine operation
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Electrical Control System Compatibility and Product Details
Compatible Machines
| Machine / Equipment | Compatibility Information |
|---|---|
| Graco Reactor Systems | Compatible with select Reactor electrical control assemblies |
| Graco Spray Foam Equipment | Used in key switch and ignition-related wiring applications |
| Graco Polyurea Systems | Supports OEM electrical harness replacement requirements |
| Graco Industrial Fluid Handling Equipment | Compatible with select systems requiring HARNESS, KEY SWITCH assemblies |
What is the Graco 18B390 Harness, Key Switch?
The Graco 18B390 Harness, Key Switch is a genuine OEM electrical wiring harness designed to connect and support key switch functionality in compatible Graco equipment. This component plays a critical role in maintaining reliable electrical communication between the ignition switch and machine control systems.
Engineered to Graco factory specifications, this replacement harness helps ensure proper equipment startup, operational safety, and dependable electrical performance in demanding industrial environments.
Part Number: 18B390
Description: HARNESS, KEY SWITCH
Brand: Graco
Category: Electrical Harness & Switch Components
Description: HARNESS, KEY SWITCH
Brand: Graco
Category: Electrical Harness & Switch Components
Key Features
- OEM Graco electrical harness replacement part
- Supports key switch and ignition circuit connections
- Designed for dependable electrical performance
- Built for demanding industrial operating conditions
- Ensures accurate fitment with compatible Graco systems
Frequently Asked Questions
Yes. The Graco 18B390 Harness, Key Switch is an original OEM replacement component manufactured to Graco specifications.
This harness connects the key switch assembly to the machine’s electrical control system, supporting startup and operational functions.
A damaged harness can cause startup issues, inconsistent electrical communication, or machine downtime. Replacing it helps maintain safe and reliable operation.
Yes. Installation by a qualified technician is recommended to ensure correct electrical connections and proper equipment operation.
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