Mercedes Vito W447 Oil Filler Neck Oil Filling Tube Diesel OM651 A6510105110

Mercedes Vito W447 Oil Filler Neck Oil Filling Tube is an original lubrication system component designed for OM651 diesel engines. Thanks to its precise fit to the engine design, it ensures stable oil pouring and secure attachment of the filler cap. This is a practical solution for users who want to keep the lubrication system in their Vito in proper technical condition.

Specifications and technical data

• SKU: A6510105110-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510105110
• Substitutable numbers: A6510105110, A 651 010 51 10
• Fuel type: Diesel
• Category: Oil Drain Plugs, Filler Caps & Dipsticks

Purpose and function in the lubrication system

The described oil filler neck and tube is a component that guides oil from the outside into the interior of the diesel engine. In Diesel OM651 units, it is responsible for:

• safe introduction of oil into the engine without the risk of splashing onto accessories,
• stable seating of the filler cap, which limits the possibility of leaks,
• maintaining the correct geometry of the filler relative to the engine cover and accessories.

Thanks to maintaining the factory geometry of the oil filler tube, service operations – topping up and changing oil – proceed efficiently, and access to the filler remains convenient even in a densely packed engine compartment.

Compatibility with the Diesel OM651 engine

The component has been designed specifically for use in OM651 diesel engines installed in the Mercedes Vito W447. This means that:

• mounting points are compatible with factory brackets on the power unit,
• the diameter and shape of the tube are matched to the original oil filler,
• the routing of the tube does not interfere with engine accessories and auxiliary installations.

Such a fit allows for maintaining factory lubrication system service parameters and reduces the risk of leaks resulting from the use of unsuitable replacements.

Product characteristics and service application

The oil filler neck and tube belongs to the group of consumables related to engine oil maintenance. In service practice, it is replaced, among other things, in situations of:

• mechanical damage to the tube (cracks, fractures, deformations),
• problems with proper seating of the filler cap,
• leaks in the area of the oil filler.

Choosing an original component from this group allows for maintaining the structural integrity of the lubrication system and facilitates subsequent maintenance activities, such as regular top-ups or oil level checks.

Condition, origin, and practical aspects of installation

The offered oil filler tube is a used part, which in the case of original Mercedes components represents a reasonable compromise between cost and maintaining factory fitment. A component of this type, with proper use, is not one of the fastest-wearing parts, which is why its reuse is technically justified in many cases.

In practice, installation involves removing the old tube, cleaning the contact points, and installing the tube into the existing brackets and filler socket. Maintaining the original geometry facilitates the mechanic's work and reduces the time required to fit the component.

Related oil system components and additional information

When working on the oil system, it is also worth paying attention to other components from the Oil drain and filler caps and dipsticks group, such as oil pan drain plugs or dipsticks, to comprehensively ensure tightness and ease of maintenance. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as drain plugs, filler caps, or dipsticks, check the available parts in the Mercedes Oil drain and filler caps and dipsticks category.

To better understand the impact of proper oil maintenance and operating temperature on the durability of the power unit, it is worth reading the guide on the cooling system and oil coolers: Engine cooling system – overheating, repair, and used radiators. This will allow you to consciously plan service in terms of both lubrication and engine temperature control.