The Genie 48899GT is a genuine OEM Check Valve designed for Z-45/22, Z-45/25J IC Power, and Z-45/25 articulating boom lifts. Sourced directly from Genie, this part meets the exact specifications of the original component it replaces, ensuring proper hydraulic system performance. Cross-reference part number 48899GT against your parts manual to confirm fitment before ordering.
Key Features
- Genuine OEM Hydraulic Integrity — Built to the same port and thread specifications as the original, with #10 port to #10 Male OFS fittings that seal correctly under system pressure without leakage.
- Direct-Connect Installation — Threaded OFS (O-Ring Face Seal) fittings allow this valve to connect directly into the existing hydraulic line without adapters or modifications to the plumbing.
- Confirmed Fitment for Genie Z-Series Articulating Booms — Compatible with the Z-45/22, Z-45/25J IC Power, and Z-45/25, covering multiple variants of Genie's mid-range articulating boom lift lineup.
- Maintains One-Way Flow Control — A functioning check valve prevents hydraulic fluid backflow, keeping boom and platform movements smooth, controlled, and responsive under load.
- Critical to Safe Boom Operation — On aerial work platforms, a failed or bypassing check valve can cause uncontrolled platform drift or loss of hold pressure, creating a direct safety risk for operators working at height.
A check valve is a one-way flow control device in the hydraulic circuit that allows fluid to move in a single direction while blocking reverse flow. In articulating boom lifts like the Z-45 series, check valves maintain pressure in specific circuits — such as lift and extend functions — preventing the platform from drifting or dropping when movements are paused. When a check valve wears, sticks open, or fails to seat properly, fluid can bypass back through the circuit, resulting in sluggish response, platform sag, or complete loss of position hold under load.
Part Details
| Part Number | 48899GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Check Valve, #10 Port - #10 Male OFS |
Compatibility & Fitment
| Name | Model |
|---|---|
| Z-45/22 | Z-45/22 |
| Z-45/25J IC Power | Z-45/25J IC Power |
| Z-45/25 | Z-45/25 |
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.
