The Genie 72039GT is a genuine OEM Primary Lift Cylinder Seal Kit designed for the TMZ-34/19 trailer-mounted articulating boom lift. As an authentic Genie OEM part, it delivers the exact material grades, dimensional conformity, and sealing performance specified for this cylinder application. Cross-reference part number 72039GT against your TMZ-34/19 parts manual to confirm it matches your machine's serial range before ordering.
Key Features
- OEM Seal Material and Dimensional Conformity — Genuine Genie seals are manufactured to the exact compound grades and dimensional tolerances specified for the primary lift cylinder, ensuring proper compression and seating on installation.
- Complete Kit for the Primary Lift Cylinder — All seals required for a full primary lift cylinder rebuild are included, so the job can be completed in a single service event without hunting for individual components.
- Purpose-Built for the TMZ-34/19 — This seal kit is specified directly for the TMZ-34/19 trailer-mounted articulating boom, so it installs without modification or adaptation to the cylinder bore and rod dimensions of that machine.
- Restores Cylinder Sealing Integrity — Worn or damaged cylinder seals allow fluid to bypass the piston or weep past the rod, causing loss of lift pressure and reduced holding force. A fresh seal kit returns the cylinder to its correct operating condition.
- Operational Safety for Aerial Work — On an aerial boom lift, the primary lift cylinder bears the load of the platform and its occupants. Maintaining sound cylinder seals is a direct contributor to safe, stable platform positioning at height.
A lift cylinder seal kit contains the full set of seals, O-rings, wipers, and backup rings required to rebuild the sealing surfaces inside a hydraulic lift cylinder. Over time, seals degrade from heat cycles, fluid exposure, and mechanical wear, leading to internal or external leakage that reduces the cylinder's ability to extend, hold position, or retract under load. On the TMZ-34/19, the primary lift cylinder is responsible for raising the boom structure, making a properly sealed cylinder essential to controlled, reliable lift operation. Replacing all seals as a complete kit — rather than individual pieces — ensures every sealing surface is renewed at the same time, extending the service interval and reducing the risk of a repeat failure shortly after the repair.
Part Details
| Part Number | 72039GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Primary Lift Cylinder Seal Kit |
Compatibility & Fitment
| Name | Model |
|---|---|
| TMZ-34/19 | TMZ-34/19 |
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.
