The Genie 139523GT is a genuine OEM Manifold 139391GT Orifice, 0.025" designed for the Genie Z-51/30J articulating boom lift. As a direct OEM replacement, this orifice is manufactured to the same specification as the original part, ensuring correct flow restriction within the manifold circuit it serves. Verify applicability against your machine's serial number — this orifice applies from SN Z452510A-39751 and from SN Z452511B-1607 on the Z-51/30J — and cross-reference part number 139523GT with your parts manual before ordering.
Key Features
- Genuine OEM Precision — Manufactured to exact dimensional tolerances, ensuring the 0.025" orifice diameter matches the original specification for consistent, controlled fluid flow through manifold 139391GT.
- Direct OEM Replacement — This orifice installs directly into manifold 139391GT as a like-for-like replacement, with no rework or modification to the manifold required.
- Correct Fitment for Z-51/30J — Engineered specifically for the Genie Z-51/30J articulating boom lift, with serial number applicability from SN Z452510A-39751 and from SN Z452511B-1607.
- Flow Control Integrity — A correctly sized orifice maintains the intended flow restriction within the manifold, keeping boom functions smooth and predictable. An incorrectly sized or worn orifice can cause erratic or uncontrolled movement.
- Operational Safety — On an articulating boom lift, maintaining precise flow control through the manifold circuit is directly linked to safe, controlled boom operation. Using the correct OEM orifice supports the designed performance envelope of the machine.
An orifice is a precisely sized restriction fitting installed within a manifold or fluid circuit to meter and control the rate of fluid flow through that passage. The 0.025" bore of this orifice is its defining characteristic — even a small deviation in orifice size will alter the flow rate through manifold 139391GT, resulting in boom movements that are either too fast or too slow relative to the machine's designed behavior. When an orifice becomes blocked, damaged, or is replaced with an incorrectly sized unit, operators typically experience jerky, sluggish, or uncontrolled motion in the functions that manifold serves. Replacing it with the correct genuine OEM part restores intended performance.
Part Details
| Part Number | 139523GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Manifold 139391GT Orifice, 0.025" |
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.
