The Genie 128937GT Relay Harness, PBOX Standard is a genuine OEM electrical component built for the Z-45/25, Z-45/25J DC, and Z-45/25J Bi-Energy articulating boom lifts. As an OEM part sourced directly through Genie's supply chain, this harness is manufactured to the same specifications as the original component installed at the factory. Confirm part number 128937GT against your machine's parts manual and serial number before ordering to ensure it is the correct item for your unit.
Key Features
- Genuine OEM Electrical Integrity — Built to the same connector, conductor, and relay specifications as the original, ensuring correct signal routing through the power box circuit.
- Direct-Fit Replacement — Engineered to connect at the same mounting points and harness routing as the original, allowing straightforward installation without modification.
- Targeted Z-Series Compatibility — Designed specifically for the Z-45/25, Z-45/25J DC, and Z-45/25J Bi-Energy articulating boom lifts; always cross-reference part number 128937GT with your serial number to confirm fitment.
- Operational Reliability — A sound relay harness maintains consistent electrical signals to the power box, supporting proper control response across boom functions. A damaged or failed harness can cause intermittent faults, erratic operation, or complete loss of function.
- Safety-Critical Electrical Path — On aerial boom lifts, harness integrity in the power distribution circuit is directly tied to safe, predictable machine operation. Using the correct OEM harness helps ensure the electrical system performs as designed.
A relay harness in the power box (PBOX) circuit routes electrical signals between the machine's control system and the relays that switch power to various functions. It serves as the wiring backbone of that distribution point, carrying both control and switched-load circuits through a single organized assembly. When a harness degrades — through chafing, corrosion, or connector failure — the result can range from intermittent control issues to a complete loss of powered functions, making prompt replacement with the correct OEM part essential to keeping the machine operational and safe.
Part Details
| Part Number | 128937GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Relay Harness, PBOX Standard |
Compatibility & Fitment
| Name | Model |
|---|---|
| Z-45/25 | Z-45/25 |
| Z-45/25J DC | Z-45/25J DC |
| Z-45/25J Bi-Energy | Z-45/25J Bi-Energy |
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.
