The Genie 102166GT is a genuine OEM Check Valve, 30 PSI designed for Genie S-series telescopic boom lifts and Z-series articulating boom lifts. Sourced directly from the original equipment manufacturer, this component delivers the exact pressure rating and porting configuration required to keep hydraulic circuits operating as intended. It is confirmed to fit a wide range of models including the S-60, S-60 XC, S-60 TRAX, S-65, S-65 XC, S-65 TRAX, S-60 HC, S-60 HF, S-65 HF, S-120, S-125, S-100, S-105, and Z-62/40. When replacing a worn or leaking valve, cross-reference 102166GT against your parts manual to confirm the correct application before ordering.
Key Features
- OEM-Rated Cracking Pressure — Factory-set at 30 PSI, matching the precise hydraulic threshold required by Genie engineering for proper one-way flow control in these boom systems.
- Direct-Swap Installation — Engineered to the same port size, thread specification, and body dimensions as the original, allowing this valve to seat and seal without modification to hydraulic lines or fittings.
- Broad Boom Lift Coverage — Fits Genie S-series telescopic booms (S-60, S-65, S-100, S-105, S-120, S-125 and their XC, HC, HF, and TRAX variants) and the Z-62/40 articulating boom.
- Hydraulic Circuit Integrity — A functioning check valve prevents backflow and pressure bleed-down in the hydraulic system; a failed one can cause unintended boom drift, sluggish lift response, or complete loss of hold pressure.
- Operational Safety on Elevated Equipment — On aerial boom lifts, maintaining correct hydraulic hold pressure is critical to platform stability at height; replacing a degraded check valve restores that load-holding reliability.
A check valve is a one-way hydraulic control component that allows fluid to flow freely in a single direction while blocking reverse flow. In boom lift hydraulic circuits, it is typically used to hold cylinder pressure, prevent load-induced backflow, and protect pumps and actuators from pressure spikes. When a check valve fails — through seat wear, contamination, or a fatigued spring — the result is often slow or uncontrolled boom movement, cylinder drift under load, or an inability to maintain platform position, all of which require immediate attention on any elevated work platform.
Part Details
| Part Number | 102166GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Check Valve, 30 PSI |
Compatibility & Fitment
| Name | Model |
|---|---|
| S-60 | S-60 |
| S-65 | S-65 |
| S-60X | S-60X |
| S-60 XC | S-60 XC |
| S-60 HC | S-60 HC |
| S-60 TRAX | S-60 TRAX |
| S-65 TRAX | S-65 TRAX |
| S-65 XC | S-65 XC |
| S-60 HF | S-60 HF |
| S-65 HF | S-65 HF |
| S-120 | S-120 |
| S-125 | S-125 |
| S-100 | S-100 |
| S-105 | S-105 |
| Z-62/40 | Z-62/40 |
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.
