The Genie 59437GT is a genuine OEM Seal Kit, 2.5" Bore 1.5" Rod designed for the Genie S-40 telescopic boom lift. As a factory-authorized OEM part, this seal kit is manufactured to the exact material and dimensional specifications required for a correct, lasting repair. Sourced directly through authorized Genie distribution, part number 59437GT gives you the confidence that you are installing the right seals for this cylinder configuration — not a close approximation. Cross-reference 59437GT against your S-40 parts manual to confirm it matches the cylinder on your unit before ordering.
Key Features
- OEM-Grade Seal Materials — Manufactured to Genie's exact compound and durometer specifications for a 2.5" bore and 1.5" rod, ensuring proper compression and long service life.
- Exact Dimensional Fit — Sized precisely for the cylinder bore and rod dimensions, so the seals seat correctly without modification or shimming.
- Designed for the Genie S-40 — Confirmed fitment for the S-40 telescopic boom lift, so you are ordering the correct kit for your machine.
- Restores Cylinder Integrity — A worn or bypassing seal allows fluid to migrate past the rod, causing cylinder drift and loss of boom position. Replacing with this kit restores holding performance and predictable boom control.
- Aerial Lift Safety Relevance — Cylinder seal integrity is critical on aerial lifts. A leaking cylinder can allow unintended platform movement, making timely seal replacement an important part of safe machine operation.
A cylinder seal kit contains the full set of seals, wipers, and O-rings needed to rebuild a hydraulic cylinder to serviceable condition. On a telescopic boom lift like the S-40, the cylinders are responsible for extending and holding the boom and platform at height. When seals wear or harden with age, fluid bypasses the piston or escapes past the rod, causing the boom to drift or lose the ability to hold a position. Replacing the seals with the correct kit — matched to the exact bore and rod dimensions — restores the cylinder's ability to hold pressure and maintain boom position reliably. Using a seal kit sized for a different cylinder risks leaks, accelerated wear, or immediate seal failure.
Part Details
| Part Number | 59437GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Seal Kit, 2.5" Bore 1.5" Rod |
Compatibility & Fitment
| Name | Models |
|---|---|
| S-40 | S-40 |
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.
