The Genie 139644-141J0GT is a genuine OEM Blue Tab Micro Limit Switch built for Genie SX-150 and SX-180 telescopic boom lifts. As a direct OEM replacement, this switch is produced to the same specifications as the original, ensuring proper function in the position-sensing or motion-control circuit it serves on these machines. Confirm part number 139644-141J0GT against your machine's parts manual to verify this is the correct switch for your unit and serial range.
Key Features
- Genuine OEM Electrical Specification — Manufactured to Genie's original switching specification, including the correct actuation force, contact rating, and tab-style actuator geometry for this application.
- Color-Coded Blue Tab Actuator — The blue tab designation distinguishes this switch from other limit switch variants on the machine, simplifying identification during inspection and replacement.
- Direct OEM Replacement — Installs in place of the original switch with no modification, preserving correct electrical and mechanical interface at the mounting location.
- Built for SX Super-Boom Lifts — Verified fitment for the Genie SX-150 and SX-180, two of Genie's largest-capacity telescopic boom platforms.
- Operational Integrity — A correctly functioning limit switch ensures the machine's control system accurately detects position or movement states. A failed or incorrectly specified switch can cause erratic machine behavior or prevent normal operation.
A limit switch is an electromechanical device that signals the control system when a moving component has reached a defined position. On large telescopic boom lifts, these switches monitor boom extension, elevation, and other structural movements, feeding position data to the machine's control logic. When a limit switch fails, sticks, or is replaced with an incorrect part, the control system may receive false signals or no signal at all, leading to restricted function or unexpected machine behavior. Replacing a worn or faulty switch with the correct OEM unit restores proper signal accuracy and keeps the machine operating within its designed parameters.
Part Details
| Part Number | 139644-141J0GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Blue Tab Micro Limit Switch |
Compatibility & Fitment
| Name | Models |
|---|---|
| SX-150 | SX-150 |
| SX-180 | SX-180 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.