The Genie 44178GT is a genuine OEM Check Valve, 5 PSI designed for a wide range of Genie telescopic boom lifts, articulating boom lifts, and scissor lifts. As a factory-sourced part, it is manufactured to the same specifications as the original component, ensuring a direct, correct-fit replacement. This check valve is confirmed for models including the S-100HD, S-120HD, S-3800, S-3200, GS-3384, GS-3390, GS-5390, Z-51/30J, Z-45 XC, and Z-45/25 IC. Cross-reference part number 44178GT against your machine's parts manual to confirm it is the correct item for your unit before ordering.
Key Features
- Genuine OEM Construction — Manufactured by Genie to original production tolerances, ensuring dimensional conformity and material consistency that a direct replacement demands.
- Correct Cracking Pressure — Rated at 5 PSI, this check valve opens and closes at the precise pressure threshold required by the circuit it serves, maintaining proper flow control.
- Direct-Fit Replacement — Engineered to install in place of the original component without modification, restoring the valve function as intended by Genie.
- Broad Genie Fitment — Compatible with S-series telescopic booms, Z-series articulating booms, and GS scissor lifts, covering a wide range of Genie aerial equipment in a single part number.
- Operational Integrity — A correctly functioning check valve prevents unintended backflow within the fluid circuit it serves. A failed or stuck valve can compromise controlled movement and machine reliability.
A check valve is a one-way flow control component that allows fluid to pass in a single direction while blocking reverse flow. In aerial lift applications, check valves are used to hold loads in position, protect components from backpressure, and maintain controlled, predictable movement. When a check valve fails — whether it sticks open, sticks closed, or leaks past its seat — it can cause uncontrolled drift, sluggish response, or loss of function in the circuit it serves. Replacing a faulty valve with the correct OEM part, such as the 44178GT, restores proper one-way flow control and keeps the machine operating as designed.
Part Details
| Part Number | 44178GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Check Valve, 5 PSI |
Compatibility & Fitment
| Name | Models |
|---|---|
| GS-3384 | GS-3384 |
| GS-3390 | GS-3390 |
| GS-5390 | GS-5390 |
| S-100HD | S-100HD |
| S-120HD | S-120HD |
| S-3200 | S-3200 |
| S-3800 | S-3800 |
| Z-45 XC | Z-45 XC |
| Z-45/25 IC | Z-45/25 IC |
| 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.
