The Genie 65638GT is a genuine OEM Oil Filler Cap Seal designed for a wide range of Genie telescopic and articulating boom lifts as well as Genie and Terex portable light towers. As a direct OEM replacement, this seal is manufactured to the same specifications as the original, ensuring a proper fit without modification. It is compatible with Genie S series telescopic booms including the S-40, S-45, S-60, S-65, S-80, and S-85 families — including XC, TRAX, HF, HC, and X variants — along with Z series articulating booms such as the Z-45/25, Z-45/25J IC Power, Z-60/34, Z-62/40, Z-80/60, and Z-45/22, and light towers including the AL4000, AL4, TML-4000, TML-4000N, RL4000, and RL4. Always cross-reference part number 65638GT against your machine's parts manual to confirm fitment for your specific unit and serial range.
Key Features
- Genuine OEM Material Grade — Manufactured to Genie's original material and dimensional specifications, ensuring the seal compresses and seats correctly against the filler cap every time.
- Drop-In Replacement — This seal installs directly in place of the original, fitting the filler cap interface without rework or adaptation.
- Broad Genie Fitment — Covers Genie S series telescopic booms, Z series articulating booms, and multiple Genie and Terex light tower families, making it a high-utility part to have on hand.
- Leak Prevention — A sound oil filler cap seal keeps fluid contained at the fill point; a cracked or compressed-out seal allows fluid to weep or escape, leading to fluid loss and contamination risk.
- OEM Confidence — Sourced directly from Genie's authorized parts supply, so you receive the correct part with no guesswork about compatibility or material grade.
An oil filler cap seal provides the closing barrier between the filler cap and the reservoir or component it covers, preventing fluid from escaping at the fill point and keeping contaminants from entering. Over time, the seal material can harden, crack, or compress permanently, causing it to lose its ability to form a tight barrier. Replacing a worn seal with the correct OEM part restores that barrier and protects the fluid level and cleanliness of the circuit it serves.
Part Details
| Part Number | 65638GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Oil Filler Cap Seal |
Compatibility & Fitment
| Name | Model |
|---|---|
| AL4000 | AL4000 |
| TML-4000 | TML-4000 |
| TML-4000N | TML-4000N |
| RL4000 | RL4000 |
| AL4 | AL4 |
| RL4 | RL4 |
| S-80X | S-80X |
| S-80 | S-80 |
| S-85 | S-85 |
| S-60 | S-60 |
| S-65 | S-65 |
| S-60X | S-60X |
| S-60 XC | S-60 XC |
| S-60 HC | S-60 HC |
| S-60 TRAX | S-60 TRAX |
| S-65 TRAX | S-65 TRAX |
| S-65 XC | S-65 XC |
| S-60 HF | S-60 HF |
| S-65 HF | S-65 HF |
| S-40 | S-40 |
| S-45 | S-45 |
| S-80 XC | S-80 XC |
| S-85 XC | S-85 XC |
| S-80 HF | S-80 HF |
| S-85 HF | S-85 HF |
| S-40 XC | S-40 XC |
| S-45 XC | S-45 XC |
| S-40 TRAX | S-40 TRAX |
| S-45 TRAX | S-45 TRAX |
| S-40 HF | S-40 HF |
| S-45 HF | S-45 HF |
| Z-60/34 | Z-60/34 |
| Z-45/25 | Z-45/25 |
| Z-45/25J IC Power | Z-45/25J IC Power |
| Z-62/40 | Z-62/40 |
| Z-80/60 | Z-80/60 |
| Z-45 XC | Z-45 XC |
| Z-45/25 IC | Z-45/25 IC |
| Z-45/25J IC | Z-45/25J IC |
| Z-45/22 | Z-45/22 |
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.
