The Genie 52905GT is a genuine OEM Relief Valve, 1800 PSI designed for Genie S-series telescopic boom lifts and Z-series articulating boom lifts. Sourced directly from Genie, this part delivers an exact match to the original hydraulic system specification, ensuring proper pressure regulation across models including the S-100HD, S-120HD, S-125, Z-45/25, Z-45/25J DC, and Z-45/25J Bi-Energy. As a genuine OEM component, it carries the same part number found in your Genie parts manual — cross-reference 52905GT to confirm fitment before ordering. This Relief Valve is a direct drop-in replacement that restores hydraulic system performance without additional modification.
Key Features
- OEM-Calibrated Pressure Rating — Factory-set at 1800 PSI to match the hydraulic circuit requirements of your Genie boom lift, ensuring the relief valve opens at the correct threshold every time.
- Direct Drop-In Replacement — Threaded and ported to the same dimensions as the original, this valve installs directly into the existing hydraulic manifold with no rework required.
- Broad Boom Lift Compatibility — Fits a wide range of Genie S-series telescopic booms and Z-series articulating booms, including the S-100, S-105, S-120, S-125, Z-45/25, Z-45/25J DC, and Z-45/25J Bi-Energy.
- Hydraulic System Integrity — A correctly functioning relief valve protects pumps, cylinders, and hoses from over-pressure damage. A failed or drifting valve can cause sluggish boom response or component failure under load.
- Safety-Critical Function — On aerial boom lifts, proper hydraulic pressure regulation is essential to safe, controlled platform movement. Using the correct OEM-spec valve supports the operational safety of the machine.
A hydraulic relief valve acts as a pressure safety mechanism within the boom lift's hydraulic circuit. It is set to open at a specific pressure — in this case 1800 PSI — allowing excess hydraulic fluid to return to the reservoir rather than overpressurizing lines, cylinders, or the pump. This protects the entire hydraulic system from damage during demanding lift and extension cycles. When a relief valve wears, sticks, or drifts from its set pressure, operators may notice erratic boom movement, reduced lifting force, excessive heat buildup in the hydraulic fluid, or in severe cases, component failure that takes the machine out of service entirely.
Part Details
| Part Number | 52905GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Relief Valve, 1800 PSI |
Compatibility & Fitment
| Name | Model |
|---|---|
| S-100HD | S-100HD |
| S-120HD | S-120HD |
| S-3800 | S-3800 |
| S-3200 | S-3200 |
| S-120 | S-120 |
| S-125 | S-125 |
| S-100 | S-100 |
| S-105 | S-105 |
| Z-45/25 | Z-45/25 |
| Z-45/25J DC | Z-45/25J DC |
| Z-45/25J Bi-Energy | Z-45/25J Bi-Energy |
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.
