The Genie 45489GT is a genuine OEM Relief Valve, 3000 PSI designed for Genie S-series telescopic boom lifts and Z-series articulating boom lifts, including the S-60, S-65, S-60 XC, S-60 HC, S-60 TRAX, S-65 TRAX, and Z-45/22 MP. As a direct OEM replacement sourced from Genie, this valve carries the same pressure rating and dimensional spec as the original, so it seats and seals exactly as intended. Cross-reference part number 45489GT against your machine's parts manual to confirm fitment before ordering. Keeping the hydraulic system operating at the correct relief threshold protects both the machine and the operator.
Key Features
- Factory-Rated 3000 PSI Relief Pressure — Genuine OEM construction ensures the valve opens and reseats at the exact pressure threshold specified for these boom lifts, with no guesswork on calibration.
- Direct OEM Replacement — Matches the original valve's port threads, body dimensions, and cracking pressure so it installs into the existing hydraulic circuit without rework or adapters.
- Broad S- and Z-Series Coverage — Fits the S-60, S-65, S-60 X, S-60 XC, S-60 HC, S-60 TRAX, S-65 TRAX, and Z-45/22 MP, covering multiple variants across Genie's telescopic and articulating boom lift lines.
- Hydraulic System Integrity — A correctly functioning relief valve prevents pressure spikes that can damage cylinders, hoses, and pumps, keeping the lift's hydraulic circuit within safe operating limits.
- Aerial Lift Safety Compliance — On boom lifts, hydraulic pressure regulation is directly tied to safe platform movement and load handling; an accurate relief setting is essential for compliant operation at height.
A hydraulic relief valve acts as a pressure-limiting safety device within the machine's hydraulic circuit. When system pressure builds beyond the set threshold — in this case 3000 PSI — the valve opens to divert excess fluid back to the reservoir, preventing over-pressurization that could rupture hoses, blow seals, or overload cylinders. On aerial boom lifts, this regulation is critical: a valve that sticks closed can cause sudden, uncontrolled pressure spikes, while one that opens too early robs the boom of the force needed to lift and position the platform. When a relief valve wears, drifts out of spec, or fails entirely, erratic boom movement, sluggish lift performance, or hydraulic system damage are common results — making timely replacement with the correct-rated part essential.
Part Details
| Part Number | 45489GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Relief Valve, 3000 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 |
| Z-45/22 MP | Z-45/22 MP |
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.
