The Wacker Neuson Fuel Tank Cap is a genuine OEM component designed for the D4000 Diesel Power Unit for Internal Vibrator, L5000/225 ISO, and L5000/225 ANSI series machines. As a factory-sourced part, it is manufactured to the exact tolerances and seal specifications of the original, ensuring a proper fit on the tank filler neck without improvisation or modification. Replacing a worn or damaged cap with the correct OEM part helps preserve the fuel system integrity that these compact power units depend on. Confirm your model number before ordering to ensure this is the right cap for your machine.
Key Features
- OEM Seal Integrity — Engineered to the original venting and sealing specification, preventing fuel vapor escape and moisture ingress that a poor-fitting cap can allow.
- Direct Tank Neck Fit — Threads or snaps onto the filler neck exactly as the original, requiring no adapter or rework to the fuel tank.
- Confirmed Fitment — Compatible with the D4000 Diesel Power Unit for Internal Vibrator, L5000/225 ISO, and L5000/225 ANSI models.
- Fuel System Protection — A correctly sealing cap keeps contaminants, dirt, and water out of the fuel tank, protecting injectors and fuel lines downstream.
- Fuel Safety Compliance — A properly sealing fuel cap is essential for safe operation; a cracked or missing cap can create a fire hazard and violate jobsite fuel handling requirements.
The fuel tank cap seals the filler opening on the fuel tank, preventing fuel from spilling during operation and keeping debris, moisture, and airborne contaminants out of the fuel supply. On power units like the D4000 and L5000/225 series, a compromised cap can allow contaminated fuel to reach the engine, leading to injector wear or fuel system faults. A failed or cracked cap may also allow fuel vapors to escape, which poses a safety risk and can cause hard-starting or lean-running conditions.
Part Details
| Part Number | 5000206241 |
|---|---|
| Old Part Number | 0206241 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuel Tank Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Diesel Power Unit for Internal Vibrator | D4000 | 5000009091 |
| L5000/225 ISO | L5000/225 ISO | 5000610329 |
| L5000/225 ANSI | L5000/225 ANSI | 5000610341 |
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.