The Genie 121431GT is a genuine OEM Hex Head Flange Screw, M12X30 GR12.9, built for Genie SX telescopic boom lifts and ZX articulating boom lifts, including the SX-150, SX-180, SX-135 XC, and ZX-135/70. As a factory-authorized OEM part, this screw meets the exact dimensional and material specifications required by Genie engineering, ensuring a correct, secure fit wherever it is used on these machines. Cross-reference part number 121431GT against your machine's parts manual to confirm it is the correct fastener for your application before ordering.
Key Features
- Exact OEM Dimensions — M12X30 threading and flange geometry match the original Genie specification, so the screw seats correctly without shimming or modification.
- Integrated Flange Design — The hex head flange distributes clamping load across a wider bearing surface, reducing the risk of fastener pull-through or surface damage on mating components.
- Broad Boom Lift Fitment — Confirmed for Genie SX super-boom telescopic lifts and ZX articulating boom lifts, covering the SX-150, SX-180, SX-135 XC, and ZX-135/70.
- Genuine OEM Part — Sourced directly through the Genie OEM supply chain, this fastener carries the correct part number 121431GT and meets all original assembly requirements.
A hex head flange screw combines the function of a standard hex bolt with a built-in washer-like flange beneath the head, spreading the clamping force over a larger contact area and helping the fastener stay secure under vibration and dynamic load. On large boom lifts that operate at significant heights and endure constant movement, using a fastener of the correct grade and dimensions is essential — an undersized or lower-grade replacement can work loose or fail under stress, compromising the integrity of the joint it secures. Replacing a worn or damaged screw with the correct OEM part restores the assembly to its original specification and keeps the connection performing as designed.
Part Details
| Part Number | 121431GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Hex Head Flange Screw, M12X30 GR12.9 |
Compatibility & Fitment
| Name | Models |
|---|---|
| SX-135 XC | SX-135 XC |
| SX-150 | SX-150 |
| SX-180 | SX-180 |
| 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.
