The Genie 139509GT is a genuine OEM 2X2 Direction Control Valve designed for the Genie Z-51/30J articulating boom lift, fitted on manifold 139391GT from SN Z452510A-39751 and from SN Z452511B-1607. As a direct OEM replacement, this valve is manufactured to Genie's specifications, ensuring the correct fit on the manifold assembly without rework or adaptation. Cross-reference part number 139509GT against your machine's parts manual and serial number to confirm this is the correct valve for your unit before ordering.
Key Features
- Genuine OEM Construction — Manufactured to Genie's exact dimensional and performance specifications for the 2X2 direction control configuration, delivering the correct response and flow characteristics the manifold assembly requires.
- Direct Manifold Fit — Engineered to mount directly to manifold 139391GT, matching the port layout, thread specification, and valve body geometry of the original component.
- Serial-Number-Specific Compatibility — Confirmed for Z-51/30J units from SN Z452510A-39751 and from SN Z452511B-1607; always verify your serial number before ordering.
- Flow Direction Control — A direction control valve governs which circuit receives flow and in what direction; a worn or sticking valve can cause sluggish, erratic, or unresponsive boom movement.
- Operational Safety — Correct valve function is essential to predictable boom response on an articulating lift. Replacing a faulty valve with the verified OEM part helps maintain the controlled, safe operation the machine was designed to deliver.
A direction control valve determines the path and direction of fluid flow through the manifold, routing it to the appropriate circuit to command boom movement. When the valve sticks, leaks internally, or fails, the operator may experience loss of function, unintended movement, or no response at all from the affected circuit. Replacing a failed valve with part number 139509GT — the correct OEM component for manifold 139391GT on the Z-51/30J — restores precise, responsive control and returns the machine to its intended operating condition.
Part Details
| Part Number | 139509GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | 2X2 Direction Control Valve for Manifold 139391GT |
Compatibility & Fitment
| Name | Models |
|---|---|
| Z-51/30J | Z-51/30J |
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.
Genie
Genie 139513GT Manifold 139391GT Pressure Compensated Flow Control Valve, 2.6GPM
