The Genie 16146GT is a genuine OEM Relief Valve Cartridge, 400 PSI, designed for the Z-30/20HD articulating boom lift. Sourced directly through authorized Genie supply channels, this cartridge is manufactured to the exact pressure rating and dimensional specifications required for proper hydraulic system operation on the Z-30/20HD. Keeping the hydraulic circuit protected at the correct threshold is essential to safe machine function, and this component delivers that with no compromise on spec. Cross-reference part number 16146GT against your Genie parts manual to confirm fitment before ordering.
Key Features
- Correct Pressure Rating — Rated at 400 PSI to match the hydraulic relief specification of the Z-30/20HD, ensuring the system opens and relieves at precisely the right threshold.
- Genuine OEM Component — Produced to Genie's original design standards, so the cartridge seats, seals, and functions exactly as the factory-installed unit did from day one.
- Direct Cartridge Replacement — Designed to drop into the existing valve body on the Z-30/20HD without modification, streamlining the repair and getting the machine back to work faster.
- Hydraulic Circuit Protection — A properly functioning relief valve prevents pressure spikes that can damage cylinders, hoses, pumps, and other downstream hydraulic components on the boom.
- Verified Fitment for the Z-30/20HD — This part is confirmed for the Genie Z-30/20HD articulating boom lift — use the part number to validate against your serial-number-specific parts manual.
- Operational Safety — On an articulating boom lift, a failed or incorrectly rated relief valve can compromise platform movement control and structural load limits — replacing a worn cartridge is a genuine safety-critical repair.
A relief valve cartridge is a hydraulic pressure control device installed within the machine's hydraulic circuit to limit system pressure to a defined maximum — in this case, 400 PSI. When hydraulic pressure reaches that threshold, the cartridge opens to divert fluid and prevent dangerous over-pressurization that could damage components or cause uncontrolled boom movement. When the cartridge wears, sticks open, or fails to hold its set pressure, the machine may exhibit sluggish boom response, erratic movement, or an inability to hold a load in position — all signs that the valve needs immediate replacement.
Part Details
| Part Number | 16146GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Relief Valve Cartridge, 400 PSI |
Compatibility & Fitment
| Name | Model |
|---|---|
| Z-30/20HD | Z-30/20HD |
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.
