The Wacker Neuson Fuel Return Hose is a genuine OEM component designed for the G320 portable generator series. This direct-replacement hose fits a wide range of G320 configurations including Standard, Cold Weather, and Custom variants across both T4i and T4 Final emissions tiers. As a genuine Wacker Neuson part, the is manufactured to the exact specifications of the original, ensuring a correct, leak-free connection within the fuel return circuit. Keep your G320 generator running at full capacity with a hose that matches the original in material grade, diameter, and end fittings.
Key Features
- OEM-Matched Fuel Compatibility — Manufactured from fuel-resistant materials rated for diesel fuel contact, meeting the same compound specification as the original hose.
- Direct-Fit Replacement — Engineered to connect to the existing fuel return line fittings on G320 generators without cutting, adapting, or re-routing the fuel circuit.
- Broad G320 Coverage — Fits Standard, Cold Weather, and Custom G320 generator configurations across T4i and Tier 4 Final emissions variants, including Transport Canada and Hertz-specification units.
- Fuel System Integrity — A correctly seated return hose maintains consistent fuel pressure and prevents unmetered return flow, protecting injector performance and fuel economy on the G320.
- Leak Prevention — A cracked or deteriorated fuel return hose can introduce air into the fuel system or cause fuel leaks — replacing it promptly with the correct OEM part restores a sealed, safe return circuit.
The fuel return hose carries excess fuel from the engine's injection system back to the fuel tank, completing the closed-loop fuel circuit. This continuous return flow helps regulate fuel pressure at the injectors and keeps the fuel temperature stable during extended generator operation. When this hose cracks, hardens, or develops a leak, the result can range from rough running and hard starts to visible fuel weeping and, in serious cases, a fire hazard — making timely replacement with the correct OEM part essential.
Part Details
| Part Number | 5200004220 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuel Return Hose |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G320 Generator, Standard T4i | G320 | 5000620275, 5200008718, 5200010219, 5200010260, 5200010144, 5200010145, 5200010146, 5100045191, 5100045601, 5100045602, 5200008717, 5100018533, 5100049848, 5100049849, 5200010261 |
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.
