The Genie 74378GT is a genuine OEM Counterbalance Valve 36659GT built for Genie Z-series articulating boom lifts, including the Z-34/22 N, Z-34/22 DC, Z-30/20 N, and Z-30/20N RJ. As a factory-original component, this valve meets the exact specifications Genie engineered into these machines, ensuring it installs and performs to the same standard as the original. Cross-reference part number 74378GT and valve 36659GT against your machine's parts manual to confirm this is the correct component for your unit before ordering.
Key Features
- Genuine OEM Quality — Manufactured to Genie's original specifications, delivering the precise flow and pressure characteristics the valve circuit requires.
- Direct-Fit Replacement — Designed to install in the same position as the original Counterbalance Valve 36659GT with no modification to ports, mounting, or connections.
- Confirmed Fitment — Fits the Z-34/22 N, Z-34/22 DC, Z-30/20 N, and Z-30/20N RJ articulating boom lifts.
- Controlled Load Holding — A correctly functioning counterbalance valve prevents uncontrolled movement under load; a worn or failed valve can cause drift or erratic boom motion.
- Operational Safety — Counterbalance valves are a critical control component on aerial boom lifts; using a genuine OEM replacement maintains the intended safety margin of the system.
A counterbalance valve holds a load in position and controls the rate at which a boom or cylinder moves when a load is applied, acting as a safeguard against uncontrolled descent or drift. On articulating boom lifts like the Z-34/22 and Z-30/20 series, it is an essential part of safe, stable operation. When a counterbalance valve fails or degrades, operators may notice slow, jerky, or uncontrolled boom movement, which signals the component needs immediate replacement.
Part Details
| Part Number | 74378GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Counterbalance Valve 36659GT |
Compatibility & Fitment
| Name | Model |
|---|---|
| Z-34/22 N | Z-34/22 N |
| Z-34/22 DC | Z-34/22 DC |
| Z-30/20 N | Z-30/20 N |
| Z-30/20N RJ | Z-30/20N RJ |
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.
