The Genie 55490GT is a genuine OEM Main Platform Extension Deck Roller designed for Genie GS large-frame scissor lifts. As a factory-sourced component, this roller matches the original part precisely — ensuring the extension deck slides and retracts exactly as the machine was built to perform. It is confirmed to fit the GS-3384, GS-3390, GS-4390, and GS-5390 scissor lifts — always cross-reference part number 55490GT against your machine's parts manual to verify it is the correct item for your serial range.
Key Features
- Genuine OEM Construction — Manufactured to Genie's original dimensional and material specifications, so the roller seats and rolls exactly as the factory-installed part did.
- Direct Drop-In Replacement — Engineered to match the original mounting configuration on the extension deck assembly, allowing straightforward installation without modification.
- Confirmed Fitment — Compatible with the GS-3384, GS-3390, GS-4390, and GS-5390 large-platform Genie scissor lifts. Verify against your serial number and parts manual before ordering.
- Smooth Extension Deck Operation — A sound roller supports consistent, low-friction travel of the extension deck. A worn or seized roller causes uneven movement, increased wear on the deck track, and difficulty deploying or retracting the platform.
- Platform Integrity at Height — On aerial scissor lifts, a properly functioning extension deck roller contributes to stable, predictable platform positioning — an important consideration for operator safety during elevated work.
The Main Platform Extension Deck Roller is the rolling interface between the sliding extension deck and its guide track on large Genie GS scissor lifts. As the extension deck is pushed out or retracted, this roller bears the load and guides the movement, reducing friction and keeping the deck aligned. When the roller wears flat, cracks, or seizes, the extension deck can bind, track unevenly, or place undue stress on surrounding deck components. Replacing a worn roller with a genuine OEM part restores smooth, true movement and helps protect the extension deck assembly from accelerated wear.
Part Details
| Part Number | 55490GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Main Platform Extension Deck Roller |
Compatibility & Fitment
| Name | Model |
|---|---|
| GS-3384 | GS-3384 |
| GS-3390 | GS-3390 |
| GS-4390 | GS-4390 |
| GS-5390 | GS-5390 |
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.
