The Genie 27643GT is a genuine OEM Roller Arm Limit Switch built for Genie Lift models, GS series scissor lifts, and the TMZ-34/19 articulating boom. As a direct OEM replacement, this part is manufactured to Genie's original specifications, ensuring it matches the mounting configuration and actuation characteristics of the original component. Confirmed fitment includes the GS-2032, GS-2632, GS-2046, GS-2646, GS-3246, and TMZ-34/19 — cross-reference part number 27643GT against your machine's parts manual before ordering.
Key Features
- Genuine OEM Construction — Built to Genie's original dimensional and actuation specifications, ensuring the roller arm engages the switch mechanism at the correct travel point.
- Direct OEM Replacement — Designed to replace the original component without modification, matching the existing mounting interface and switch body.
- Broad Genie Fitment — Fits Genie Lift models, GS-2032, GS-2632, GS-2046, GS-2646, GS-3246, and TMZ-34/19 articulating boom.
- Reliable Switch Actuation — A correctly functioning roller arm makes consistent, repeatable contact with the limit switch, supporting accurate position sensing across machine cycles.
- Operational Safety — Limit switch components are critical to position detection and machine control logic on aerial lifts; using the correct OEM part helps maintain intended machine behavior.
A limit switch roller arm is the mechanical contact point that triggers the limit switch when a moving part of the machine reaches a defined position. The roller rides against a cam, ramp, or surface, and when it reaches the correct point it actuates the switch, signaling the control system to respond — stopping motion, enabling a function, or triggering an interlock. A worn, bent, or broken roller arm can cause missed actuations or false triggers, leading to unreliable machine behavior or a fault condition that takes the machine out of service.
Part Details
| Part Number | 27643GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Roller Arm Limit Switch |
Compatibility & Fitment
| Name | Models |
|---|---|
| Genie Lift | Genie Lift |
| GS-2032 | GS-2032 |
| GS-2046 | GS-2046 |
| GS-2632 | GS-2632 |
| GS-2646 | GS-2646 |
| GS-3246 | GS-3246 |
| TMZ-34/19 | TMZ-34/19 |
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.
