Mercedes Vito W447 OM622 Diesel Engine Fuel Filler Neck Pipe Hose A6220103900

Mercedes Vito W447 OM622 Oil Filler Neck Hose is an original lubrication system component designed for OM622 diesel engines. The precisely routed oil filler neck facilitates servicing, provides convenient access to the diesel engine, and helps maintain cleanliness in the engine bay. Thanks to its factory geometry and perfect fit for the Vito W447, this item from the Oil Drain and Filler Plugs and Dipsticks group allows for seamless replacement of a worn filler neck.

Specifications and technical data

• SKU: A6220103900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6220103900
• Substitutable numbers: A6220103900, A 622 010 39 00
• Fuel type: Diesel
• Category: Oil Drain Plugs, Filler Caps & Dipsticks

Purpose and Function in the OM622 Diesel Engine

The oil filler neck/hose is responsible for safely delivering lubricant into the engine, minimizing the risk of oil spills onto accessories and wiring harnesses. In OM622 diesel units used in the Mercedes Vito W447, a correctly chosen filler neck is crucial for:

• maintaining the sealing of the lubrication system during oil top-ups,
• easy service access within the engine bay,
• stable mounting at factory points on the body and engine cover.

The component is specifically designed for the diesel engine architecture, ensuring proper routing of the hose relative to manifolds, accessories, and heat shields.

Construction and Fit for Mercedes Vito W447

The oil filler neck hose has been constructed as an OEM part, meaning its original geometry, internal diameter, and mounting points are preserved. This ensures:

• a perfect fit for factory brackets and clamps in the Vito W447 engine bay,
• the correct positioning of the filler cap relative to covers and the engine hood,
• adequate rigidity and resistance to vibrations typical of diesel engines.

Such a precise fit minimizes material stress and reduces the risk of cracks or leaks during prolonged use.

Benefits of Using an Original Oil Filler Neck

Using an original oil filler neck in a Mercedes Vito W447 with a diesel engine offers a range of practical service and operational benefits:

• Stable Lubrication System Operation – proper hose routing reduces the risk of contaminants entering the filler area.
• Convenient Servicing – easier oil top-ups, especially in workshop and fleet environments.
• Compatibility with Factory Construction – no need for modifications, bracket adjustments, or cover alterations.
• Improved Engine Bay Organization – the hose does not interfere with other components, facilitating access to service parts.

Condition, Installation, and Practical Application

The offered item belongs to the Oil Drain and Filler Plugs and Dipsticks group and is intended for reinstallation in diesel-powered vehicles. A used OEM part is a sensible choice for maintenance repairs when the existing oil filler neck is mechanically damaged, deformed, or leaking.

When replacing, pay attention to:

• the condition of seals around the filler area,
• correct seating in brackets and clamps,
• no interference with heat shields and hoses in the engine bay.

Related Parts and Technical Knowledge

When working on the lubrication system and oil filler components, it's advisable to simultaneously check the cooling system's condition, as engine overheating accelerates the degradation of oil and plastic components in the engine bay. More practical information on the impact of engine operating temperature on component durability can be found in the article: Engine Cooling System – Overheating, Repair, and Used Radiators.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as oil filler caps, drain plugs, or oil dipsticks, check the available parts in the Mercedes Oil Drain and Filler Plugs and Dipsticks category.