The Genie 75347GT is a genuine OEM Injection Pump O-Ring for the Perkins 1004-42 engine, built for Genie S-100, S-105, S-120, and S-125 telescopic boom lifts. As a genuine Genie part, it is manufactured to the exact material and dimensional specifications required for the Perkins 1004-42 injection pump, ensuring a proper seal on first installation. This O-ring is a direct OEM replacement, so no modification or adapting is needed to fit it correctly in your machine. Confirm part number 75347GT against your model's parts manual before ordering to be certain it matches your unit's configuration.
Key Features
- Genuine OEM Sealing Material — Manufactured to Genie's exact compound and dimensional spec for the Perkins 1004-42 injection pump, delivering consistent compression and sealing performance.
- Direct OEM Replacement — Seats into the injection pump on S-series telescopic boom lifts exactly as the original, with no trimming, shimming, or adaptation required.
- Confirmed Fitment — Fits Genie S-100, S-105, S-120, and S-125 telescopic boom lifts equipped with the Perkins 1004-42 engine.
- Fuel System Integrity — A sound O-ring maintains a leak-free seal at the injection pump. A cracked or deformed O-ring allows fuel to weep at the pump, leading to hard starts, rough running, and fuel loss that forces the machine out of service.
- Operational Safety — A fuel leak at the injection pump is a fire and contamination risk on any aerial lift. Replacing a worn O-ring with the correct OEM part keeps the fuel circuit sealed and the machine safe to operate at height.
An O-ring at the injection pump creates a pressure-tight seal between mating surfaces, preventing fuel from escaping the pump body during engine operation. On Perkins 1004-42 engines fitted to Genie S-series telescopic boom lifts, this small component is critical to stable fuel delivery and clean engine operation. When the O-ring hardens, cracks, or takes a compression set from heat and age, the seal breaks down — resulting in fuel weeping around the pump, which can cause rough idling, reduced power, and a fuel smell that signals an immediate maintenance need. Replacing it promptly with the correct OEM part restores the seal and keeps the engine running as intended.
Part Details
| Part Number | 75347GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Injection Pump O-Ring, Perkins 1004-42 |
Compatibility & Fitment
| Name | Model |
|---|---|
| S-120 | S-120 |
| S-125 | S-125 |
| S-100 | S-100 |
| S-105 | S-105 |
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.
