The Genie 65638GT Oil Filler Cap Seal is a genuine OEM sealing component built for a range of Genie light towers and articulating boom lifts, including the AL4000, AL4, RL4, Z-60/34, Z-62/40, Z-80/60, and Z-45 XC. As a direct OEM replacement, this seal is manufactured to Genie's original specifications, ensuring the correct fit and material grade for the filler cap it services. Cross-reference part number 65638GT against your machine's parts manual to confirm it is the right seal for your unit before ordering.
Key Features
- Genuine OEM Material Grade — Produced to Genie's original sealing compound and dimensional specifications, delivering the correct compression profile for this filler cap application.
- Direct-Fit Replacement — Engineered to seat precisely in the original cap assembly with no modification, restoring the factory seal condition.
- Broad Genie Fitment — Compatible with Genie AL and RL series light towers and select Z-series articulating boom lifts, covering a wide range of equipment in one part number.
- Leak Prevention — A sound filler cap seal keeps fluid contained and prevents contamination from entering the fill point; a cracked or flattened seal allows leaks and exposes internal fluid to airborne debris.
- Operational Integrity — Replacing a worn seal with the correct OEM part helps maintain proper fluid levels and protects against the slow losses that can go unnoticed until a larger issue develops.
An oil filler cap seal forms the airtight, fluid-tight barrier between the filler cap and the fill-point opening on the machine. Its job is to prevent fluid from weeping past the cap and to stop dirt, water, and debris from entering the fluid reservoir at the fill point. When this seal ages, hardens, or takes on a permanent set, it loses the compression needed to do either job effectively — allowing slow leaks outward and contamination inward. Replacing a degraded seal with a correctly specified OEM part restores that barrier and keeps the fill point secure.
Part Details
| Part Number | 65638GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Oil Filler Cap Seal |
Compatibility & Fitment
| Name | Models |
|---|---|
| AL4 | AL4 |
| AL4000 | AL4000 |
| RL4 | RL4 |
| Z-45 XC | Z-45 XC |
| Z-60/34 | Z-60/34 |
| Z-62/40 | Z-62/40 |
| Z-80/60 | Z-80/60 |
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.
