The Wacker Neuson Fuel Return Hose is a genuine OEM component designed for G25 skid-mounted and mobile generators and the GS12Ai 50Hz portable generator. As a direct OEM replacement, this hose is produced to the same standards as the original part, ensuring a proper connection within the fuel return circuit without adaptation or guesswork. Confirmed fitment spans multiple G25 configurations — including cold-weather variants — as well as the GS12Ai series, making it a reliable choice for fleet operators and service technicians keeping these generators running at peak output.
Key Features
- Genuine OEM Material Grade — Manufactured to Wacker Neuson's original hose specification, including wall thickness and fuel-resistant compound, so the hose maintains integrity under continuous fuel exposure.
- Direct-Fit Connection — Engineered to match the original routing and end fittings of the fuel return line, so installation follows the same path and attachment points as the part being replaced.
- Broad G25 and GS12Ai Compatibility — Covers G25 skid-mounted, mobile, and cold-weather generator configurations, plus the GS12Ai 50Hz portable generator series.
- Fuel System Integrity — A correctly functioning return hose maintains stable fuel pressure and prevents raw fuel from escaping the circuit; a cracked or degraded hose can lead to fuel leaks, pressure loss, and unplanned generator shutdown.
- Fuel Leak Prevention — Replacing a worn or deteriorating hose eliminates a potential ignition hazard at the fuel return circuit — a critical safety consideration on any engine-driven power unit operating near crews or structures.
The fuel return hose carries excess fuel from the engine's injection system back to the tank, maintaining the correct pressure balance within the fuel circuit. Without a properly sealed return line, the injection system cannot regulate fuel delivery accurately, which can cause rough running, hard starts, or engine shutdown. Over time, heat cycling and fuel exposure cause hose material to harden, crack, or swell — making routine inspection and timely replacement an important part of generator maintenance.
Part Details
| Part Number | 5000152977 |
|---|---|
| Old Part Number | 0152977 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuel Return Hose |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Skid-mounted Mobile Generator | G25 | 5000009258, 5000009462, 5000009476 |
| 50Hz Portable Generator 12 kVA | GS12Ai | 5000009108 |
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.
