Mercedes Vito W639 OM642 Oil Dipstick Oil Level Engine Guide Tube A6420182040

Mercedes Vito W639 OM642 Oil Dipstick Oil Level Engine Guide Tube is a precision component of the lubrication system that enables reliable engine oil level monitoring. Thanks to its factory-fit design for the OM642 unit in the Vito W639, this dipstick ensures accurate readings and helps maintain the engine within a safe operating range. It is a practical solution for users who expect proven functionality and compatibility with the vehicle's original design.

Specifications and technical data

• SKU: A6420182040
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420182040
• Substitutable numbers: A6420182040, A 642 018 20 40
• Category: Oil Drain Plugs, Filler Caps & Dipsticks

Purpose and function in the lubrication system

The oil dipstick in the OM642 engine plays a key control role – it allows for a quick, visual check of the oil level and condition. A correct reading is essential for protecting the power unit against insufficient lubrication, which can lead to accelerated wear of moving parts. Using a dedicated dipstick for the Vito W639 ensures the correct immersion depth in the oil pan and a clear measurement scale.

Compatibility with Mercedes Vito W639 OM642

The Mercedes Vito W639 OM642 Oil Dipstick Oil Level Engine Guide Tube has been designed for the specific configuration of the OM642 engine, which translates into a proper fit with the guide tube and a secure seat in the socket. The appropriate working length and geometry of the measuring tip ensure that the oil level indications correspond to the values specified by the manufacturer. As a result, the user can safely rely on the readings during daily operation and after oil changes.

Characteristics of the used component

The offered dipstick comes from the Oil drain and filler plugs and dipsticks category and is a used item, which in practice means it has already been operated in a vehicle. This type of part, while maintaining correct geometry and legibility of markings, retains full measurement functionality. This solution allows for an economical replacement of a damaged or missing dipstick while maintaining compliance with the manufacturer's original standard.

Benefits of using an original oil dipstick

Using the correct dipstick in the OM642 engine provides a number of practical benefits:

• certainty that the oil level is read within the range specified by the manufacturer,
• stable seating in the guide tube, reducing the risk of leaks at the insertion point,
• easy, repeatable oil level checks during inspections and service,
• maintaining consistency with the factory design of the Mercedes lubrication system.

For users who regularly service their cars, such a component provides practical support in daily operation and helps keep the engine in proper condition.

Related Mercedes oil system components

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

Technical support and knowledge about engine systems

When working with lubrication and cooling systems, it is worth knowing the relationship between operating temperature and engine durability. An extended discussion on the impact of overheating and the role of individual components can be found in the article Engine cooling system – overheating, repair, and used radiators, which helps to better understand how to take care of the engine in the long term.

Why consider a used oil dipstick

In the case of components such as an oil dipstick, choosing a used part can be a reasonable compromise between cost and functionality. The key is to maintain the correct geometry, legibility of markings, and compatibility with the given power unit. For those who want to deepen their knowledge about the safe selection of used components, the guide Buying used car parts – the most common mistakes when choosing tuning parts, which discusses the practical aspects of selecting such elements, may be useful.