The Wacker Neuson Vapor Hose is a genuine OEM component designed for the GP3800, GP5600, GP5600A, GP6600, and GPS5600A series portable generators. Sourced directly from Wacker Neuson, this OEM part ensures an exact match to the original specification — no guesswork on fitment. It is compatible across both EPA and CSA configurations within these generator families, making it a versatile stock item for fleet operators and service technicians alike. Confirm your model number before ordering to ensure this is the correct part for your unit.
Key Features
- Genuine OEM Vapor Routing Integrity — Manufactured to Wacker Neuson's original material and dimensional specification, ensuring correct fuel vapor flow and a proper sealed connection within the fuel system.
- Direct Drop-In Replacement — Engineered to connect at the same ports as the original hose, allowing straightforward installation without modification to surrounding fuel system components.
- Broad Generator Family Coverage — Compatible with GP3800, GP5600, GP5600A, GP6600, and GPS5600A portable generators, including both EPA and CSA variants.
- Fuel System Performance — A correctly functioning vapor hose maintains proper fuel vapor management; a cracked or deteriorated hose can cause hard starting, rough running, and uncontrolled fuel vapor release.
- Fuel System Safety — As part of the fuel vapor circuit, hose condition directly affects the safe containment of flammable vapors — always replace a damaged or swollen hose promptly.
The vapor hose routes fuel vapors from the fuel tank or carburetor bowl vent through the engine's intake or vapor recovery path, preventing raw fuel vapors from escaping into the atmosphere or accumulating in the generator enclosure. This small but critical component plays a key role in both emissions compliance and safe generator operation. When the hose cracks, hardens, or collapses with age, it can disrupt the fuel air mixture, trigger starting problems, or allow flammable vapors to escape — making timely replacement essential.
Part Details
| Part Number | 5200000503 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Vapor Hose |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPS5600A Generator, CSA | GPS5600A | 5000620982 |
| GPS6600A Generator, EPA | GPS6600 | 5000620987 |
| GP3800A Generator, EPA w/Wheel Kit | GP3800 | 5000620976, 5000620974, 5000620975, 5100031174 |
| GP5600A Generator, EPA w/Wheel Kit | GP5600 | 5000620983 |
| GP5600A Generator, CSA w/Wheel Kit | GP5600A | 5000620984, 5000620979, 5000620980 |
| GP6600A Generator, EPA w/Wheel Kit | GP6600 | 5000620989, 5000620990, 5000620985, 5000620986 |
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.
