The Genie 139526GT is a genuine OEM Valve 139391GT Seal Kit designed for the Z-51/30J articulating boom lift. This kit is a direct OEM replacement sourced from Genie, built to the same specifications as the original seals installed at the factory. Note that this part applies from SN Z452510A-39751 and from SN Z452511B-1607, so cross-reference your machine's serial number against the Genie parts manual before ordering to confirm this is the correct kit for your unit.
Key Features
- Genuine OEM Seal Quality — Manufactured to Genie's original material and compression specifications, ensuring the seals conform correctly to the valve body of manifold 139391GT and maintain a reliable seal under operating conditions.
- Exact-Match Fitment for Manifold 139391GT — Engineered specifically for the valve assembly on manifold 139391GT, so the seals seat correctly without modification or adaptation.
- Confirmed Compatibility — Z-51/30J Articulating Boom Lift — Designed for the Genie Z-51/30J, with serial-number applicability starting from SN Z452510A-39751 and from SN Z452511B-1607. Always confirm your machine's serial number before ordering.
- Restores Valve Integrity — Worn or degraded valve seals allow fluid to bypass the valve, leading to loss of control pressure and compromised function of the circuits served by the manifold. Replacing them with this kit restores proper sealing and valve performance.
- Operational Safety Support — On an articulating boom lift, maintaining proper valve function is critical to safe operation of the boom system. Using the correct OEM seal kit helps ensure the manifold performs as intended.
A valve seal kit contains the seals, O-rings, and related sealing components that prevent fluid from leaking past the valve spools or ports within a manifold assembly. Over time, seals harden, crack, or deform under pressure and heat cycles, allowing internal or external fluid leakage that reduces the responsiveness and control accuracy of the circuits the manifold serves. Replacing the seals with the correct kit — matched specifically to manifold 139391GT — restores the valve assembly to proper operating condition and prevents the fluid loss and pressure drop that a deteriorated seal causes.
Part Details
| Part Number | 139526GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Valve 139391GT Seal Kit |
Compatibility & Fitment
| Name | Models |
|---|---|
| Z-51/30J | Z-51/30J |
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.