The Genie 990210GT Flat Washer, 1/2 ZP is a genuine OEM hardware component designed for Genie and Terex portable light towers, including the AL4000, AL5000, RL4000, TML-4000, AL4, AL4L, AL5, AL5L, AL5HT, and RL4 series. As a direct OEM part, this washer meets the same specifications used in original assembly, so it installs and seats exactly as intended with no guesswork. Cross-reference part number 990210GT against your parts manual or service documentation to confirm fitment before ordering.
Key Features
- Genuine OEM Hardware Grade — Zinc-plated 1/2" construction matches the corrosion resistance and load-bearing profile specified for Genie light tower assemblies.
- Drop-In Installation — This washer seats directly onto existing fastener configurations, maintaining correct clamp load and surface contact without reworking surrounding hardware.
- Broad Light Tower Compatibility — Fits a wide range of Genie and Terex portable light towers across the AL, RL, and TML families, including the AL4000, AL5000, AL5HT, RL4000, TML-4000, and more.
- Consistent Load Distribution — A properly sized flat washer spreads fastener load evenly across the mating surface, protecting components from deformation under torque and vibration common in towable equipment.
- Corrosion-Resistant Finish — The zinc-plated (ZP) coating resists rust in outdoor and all-weather operating conditions typical of jobsite light tower deployments.
A flat washer serves as a load-distributing interface between a fastener — such as a bolt or nut — and the surface it clamps against. By spreading the clamping force over a wider area, it prevents the fastener from pulling through or deforming softer materials and helps maintain consistent tension across the joint. On portable light towers like the Genie AL and RL series, flat washers appear throughout the mast, frame, and accessory mounting points, where vibration during transport and operation can gradually work hardware loose. Using the correct size and finish ensures the joint performs as designed and holds up through repeated setup and breakdown cycles.
Part Details
| Part Number | 990210GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Flat Washer, 1/2 ZP |
Compatibility & Fitment
| Name | Model |
|---|---|
| AL4000 | AL4000 |
| AL5000 | AL5000 |
| RL4000 | RL4000 |
| TML-4000 | TML-4000 |
| AL5 with Vertical Mast | AL5 with Vertical Mast |
| AL4 | AL4 |
| RL4 | RL4 |
| AL5 | AL5 |
| AL4L | AL4L |
| AL5L | AL5L |
| AL5HT | AL5HT |
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.
