The Genie 139513GT is a genuine OEM Pressure Compensating Flow Control Valve designed for Genie Z-series articulating boom lifts, including the Z-45/25, Z-45/25J, Z-45/25J IC Power, Z-45/25 IC, and Z-51/30J. This valve is a direct-fit component for manifold 139391 and applies to specific serial number ranges — from SN Z452510A-39751 and from SN Z452511B-1607 — so verifying your machine's serial number before ordering is essential. As a genuine OEM part, it is built to the exact specification of the original component it replaces, ensuring proper hydraulic performance across all operating conditions. Cross-reference part number 139513GT against your Genie parts manual and serial number plate to confirm fitment before installation.
Key Features
- Genuine OEM Hydraulic Precision — Factory-sourced valve calibrated to the exact 2.6 GPM flow rate required for correct hydraulic circuit behavior in the manifold assembly.
- Direct Manifold Fit — Engineered specifically for manifold 139391, this valve seats and seals the same way as the original, with no rework or adaptation needed at the port interface.
- Serial-Number-Specific Application — Correct for machines from SN Z452510A-39751 and from SN Z452511B-1607; always verify your serial number to ensure this is the right valve for your unit.
- Stable Flow Under Variable Load — A pressure compensating design maintains consistent output flow regardless of upstream pressure fluctuations, keeping boom movement smooth and predictable.
- Broad Z-Series Coverage — Fits the Z-45/25, Z-45/25J, Z-45/25J IC Power, Z-45/25 IC, and Z-51/30J articulating boom lifts, covering multiple platform and power configurations within the Z-series lineup.
- Operational Safety Relevance — Correct hydraulic flow control is critical to safe, controlled boom movement on aerial lifts; an out-of-spec or failed valve can cause erratic platform motion and compromise operator safety.
A pressure compensating flow control valve regulates the volume of hydraulic fluid passing through a circuit while automatically adjusting for changes in system pressure. In an articulating boom lift, this keeps boom functions — such as elevation, articulation, and platform leveling — moving at a consistent, controlled rate regardless of load or pump pressure variation. When this valve fails or drifts out of calibration, operators may experience jerky or unpredictable boom movement, sluggish response, or loss of fine motion control, all of which create unsafe working conditions at height.
Part Details
| Part Number | 139513GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Pressure Compensating Flow Control Valve, 2.6 GPM |
Compatibility & Fitment
| Name | Model |
|---|---|
| Z-51/30J | Z-51/30J |
| Z-45/25 | Z-45/25 |
| Z-45/25J IC Power | Z-45/25J IC Power |
| Z-45/25 IC | Z-45/25 IC |
| Z-45/25J IC | Z-45/25J IC |
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.
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