The Genie 990460GT is a genuine OEM Lock Washer, 5/16 ZP built for Genie and Terex portable light towers, including the AL4000, AL5000, AL4, AL5, AL5HT, AL5 with Vertical Mast, and RL4. As a genuine OEM component, part number 990460GT meets the same standards as the original hardware installed at the factory. Cross-reference 990460GT against your machine's parts manual to confirm it is the correct washer for your unit before ordering.
Key Features
- Direct Replacement Fit — Drops into the same position as the original washer with no modification, maintaining proper fastener preload and clamping integrity.
- Broad Light Tower Compatibility — Fits AL4, AL4000, AL5, AL5HT, AL5 with Vertical Mast, AL5000, and RL4 portable light towers from Genie and Terex.
- Fastener Integrity — A functioning lock washer resists fastener loosening caused by vibration; a missing or damaged washer can allow connections to back off over time.
A lock washer is a small but essential piece of hardware placed under a nut or bolt head to resist loosening from vibration and operational movement. On portable light towers like the AL and RL series, components are subject to road vibration during towing and engine vibration during operation, both of which can work a standard fastener loose over time.
Part Details
| Part Number | 990460GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Lock Washer, 5/16 ZP |
Compatibility & Fitment
| Name | Models |
|---|---|
| AL4 | AL4 |
| AL5 | AL5 |
| AL5 with Vertical Mast | AL5 with Vertical Mast |
| AL5HT | AL5HT |
| AL4000 | AL4000 |
| AL5000 | AL5000 |
| RL4 | RL4 |
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.
