The Genie 48881GT is a genuine OEM Union, 520101-6, ORFS designed for Genie S-series telescopic boom lifts and ZX-series articulating boom lifts, including the S-60, S-65, S-80, S-85, and ZX-135/70. Sourced directly from Genie, this hydraulic fitting is manufactured to the same specification as the original component installed at the factory. Cross-reference part number 48881GT against your machine's parts manual to confirm application before ordering. Verified fitment means no guesswork — this union installs directly into the hydraulic plumbing of compatible models and restores the connection to proper operating condition.
Key Features
- Genuine OEM Hydraulic Integrity — Manufactured to Genie's exact thread form and sealing geometry for the ORFS (O-Ring Face Seal) interface, eliminating the leak paths that mismatched fittings can introduce.
- Direct-Connect Replacement — The ORFS face-seal design threads directly into existing hydraulic lines on compatible boom lifts with no adapters or rework needed.
- Broad Boom Lift Coverage — Fits Genie S-series telescopic booms (S-60, S-65, S-80, S-85) and the ZX-135/70 articulating boom lift.
- Leak-Free Hydraulic Performance — A correctly seated ORFS union maintains full system pressure, keeping boom extension, elevation, and steering functions responding as intended.
- Safety-Critical Fitting — Hydraulic unions on aerial boom lifts carry pressurized fluid that controls platform movement; a properly rated, correctly fitted union is essential to safe, predictable machine operation at height.
An ORFS (O-Ring Face Seal) union is a straight-through hydraulic fitting that joins two sections of hydraulic line into a single, pressure-tight connection. The O-ring seated on the face of the fitting compresses against a flat mating surface when the nut is tightened, creating a seal that resists vibration loosening and withstands the high working pressures found in aerial boom lift hydraulic systems. When this union cracks, corrodes, or loses its O-ring, hydraulic fluid escapes, system pressure drops, and boom functions — elevation, extension, and articulation — can become sluggish or fail to hold position, creating a direct safety concern for operators working at height.
Part Details
| Part Number | 48881GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Union, 520101-6, ORFS |
Compatibility & Fitment
| Name | Model |
|---|---|
| S-60 | S-60 |
| S-65 | S-65 |
| S-80 | S-80 |
| S-85 | S-85 |
| ZX-135/70 | ZX-135/70 |
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.