The Genie 990190GT Hex Head Cap Screw, 1/2-13 x 3 is a genuine OEM fastener built for Genie AL series portable light towers, including the AL4, AL4000, AL5, AL5000, and AL5HT. As a direct OEM replacement, this screw is manufactured to the exact thread pitch, diameter, and length specified for these machines, ensuring a secure, rattle-free fit from the first installation. Cross-reference part number 990190GT against your machine's parts manual to confirm it is the correct fastener for your application before ordering.
Key Features
- OEM Thread Conformity — Cut to the exact 1/2-13 UNC thread specification and 3-inch length called out in the Genie parts manual, so the screw engages mating threads fully without under- or over-driving.
- Genuine Genie Part — Sourced directly from Genie, this fastener meets the same material grade and dimensional tolerances as the hardware originally installed on the machine.
- Direct Replacement — Installs in the same position and with the same tooling as the original, requiring no rework to the surrounding components.
- Broad AL Series Fitment — Confirmed for AL4, AL4000, AL5, AL5000, AL5HT, and AL5 with Vertical Mast Genie light towers — one part number covers the full AL family range.
- Structural Integrity — A properly torqued fastener keeps panels, brackets, and assemblies securely located on the light tower. A worn, stripped, or incorrect-grade screw can allow components to shift or work loose during transport and operation.
A hex head cap screw is a threaded fastener used to clamp two or more components together, tightened with a standard wrench or socket. The 1/2-13 designation indicates the nominal diameter and thread pitch, while the 3-inch length ensures full thread engagement through the joined parts. When a screw becomes stripped, corroded, or damaged, it can no longer hold the joint at the correct clamp load, allowing movement or misalignment in the assembly it secures. Replacing it with the correct OEM fastener — matched by thread, length, and grade — restores the connection to its original specification.
Part Details
| Part Number | 990190GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Hex Head Cap Screw, 1/2-13 x 3 |
Compatibility & Fitment
| Name | Models |
|---|---|
| AL4 | AL4 |
| AL5 | AL5 |
| AL5 with Vertical Mast | AL5 with Vertical Mast |
| AL5HT | AL5HT |
| AL4000 | AL4000 |
| AL5000 | AL5000 |
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.
