The Genie 104590GT is a genuine OEM Valve with Override, 3-Position 4-Way designed for the Genie TZ-50 trailer-mounted articulating boom lift. As a factory-sourced component, this valve matches the exact design intent of the original hydraulic system, ensuring proper flow control and override functionality without adaptation. Cross-reference part number 104590GT against your TZ-50 parts manual to confirm this is the correct valve for your machine's configuration. Sourcing genuine OEM means the part ships with the same material and dimensional specifications as the unit it replaces.
Key Features
- Genuine OEM Hydraulic Spec — Manufactured to Genie's original flow-path and pressure-rating requirements for this valve position, not a generic approximation.
- 3-Position, 4-Way Configuration — Three spool positions and four port connections match the TZ-50's directional control circuit exactly, allowing direct installation without re-plumbing.
- Manual Override Capability — The integrated override lets operators actuate the valve manually if electrical control is lost, a critical backup function on a trailer-mounted boom.
- Verified TZ-50 Fitment — Engineered specifically for the Genie TZ-50 trailer-mounted articulating boom lift, eliminating compatibility guesswork on a precision hydraulic component.
- Operational Safety on Elevated Equipment — Proper directional valve function governs boom movement and positioning; a faulty or incorrect valve can cause uncontrolled motion or loss of function at height, making accurate replacement essential.
A 3-position, 4-way directional control valve manages the flow of hydraulic fluid to and from an actuator — typically a boom cylinder — by shifting between extend, retract, and neutral positions across four hydraulic ports. On a trailer-mounted articulating boom like the TZ-50, this valve directly controls boom articulation movement, and its neutral position locks the circuit to hold the platform steady. The manual override feature allows the spool to be actuated by hand when electrical signals are unavailable, enabling controlled lowering or repositioning during a fault condition. When this valve wears, sticks, or leaks internally, boom movement can become sluggish, erratic, or unresponsive — requiring prompt replacement to restore safe machine operation.
Part Details
| Part Number | 104590GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Valve with Override, 3-Position 4-Way |
Compatibility & Fitment
| Name | Model |
|---|---|
| TZ-50 | TZ-50 |
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.
