Mercedes W164 W212 Oil Filter Housing Diesel OM642 A6421800010

Mercedes W164 W212 Oil Filter Housing Diesel OM642 is a factory-original lubrication system component designed for diesel engines, responsible for the stable seating of the filter cartridge and proper oil flow. Thanks to its precise construction, it ensures safe operation of the power unit and reduces the risk of leaks in the filter area. Using an OEM component is a sensible choice for engine maintenance when you want to maintain the original geometry and flow parameters.

Specifications and technical data

• SKU: A6421800010
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6421800010
• Substitutable numbers: A6421800010, A 642 180 00 10
• Fuel type: Diesel
• Part type: Oil Filter
• Category: Oil Filters

Purpose and function in the lubrication system

The oil filter housing in the OM642 diesel engine plays a key role in the oil circuit, keeping the filter cartridge in the correct position and directing the lubricating medium through the filter element. In diesel units, especially in modern Mercedes designs, stable pressure and proper oil flow are essential for protecting the turbocharger, timing system, and friction components. Using an original housing from the Oil filters group allows for maintaining the factory operating parameters of the lubrication system, which translates into uniform lubrication, reduced mechanical wear, and proper interaction with oil pressure sensors.

Benefits of using an original oil filter housing

In diesel engines, such as the OM642, thermal and pressure loads are significantly higher than in gasoline units. Using an original oil filter housing provides a number of practical benefits:

• maintaining the factory tightness of the lubrication system in the filter area,
• correct routing of oil channels and stable operating pressure,
• secure seating of the filter cartridge, without the risk of it shifting,
• compatibility with the diesel engine design and its operational requirements,
• reduction of the risk of oil leaks in the area of the filter base. As a result, the oil filter housing is an important element of preventive maintenance, helping to extend the service life of the power unit and maintain stable operating parameters over a long period of use.

Product characteristics and application in Mercedes

The oil filter housing is designed for Mercedes vehicles equipped with a diesel engine, including popular SUV and E-Class models that use the OM642 diesel. The design was developed for the specific architecture of the unit, which ensures proper fitment to the engine block, oil channels, and other auxiliary components. Using an OEM element is a solution that allows you to maintain the original build quality and geometry while reducing service costs compared to new components. In the case of housings from the Oil filters group, this is of particular importance, as even small dimensional deviations in aftermarket replacements can result in assembly problems or leaks.

Importance for diesel engine durability

In diesel engines operating under high loads and generating large amounts of heat, an efficient lubrication system is one of the key conditions for maintaining the unit's performance. The oil filter housing is responsible not only for the mechanical stabilization of the cartridge but also for the proper distribution of oil through the lubrication channels. Its wear, cracks, or deformations can lead to a drop in pressure, insufficient lubrication, and accelerated wear of moving parts. To better understand how the lubrication and cooling system affects the condition of the power unit, it is worth reading the practical tips on overheating and engine protection described in the article Engine cooling system – overheating, repair, and used radiators. This will provide a comprehensive view of how the cooling and lubrication systems work together in modern designs.

Related items from the Mercedes Oil filters category

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 filter cartridges, filter bases, or housing seals, check out the available parts in the Mercedes Oil filters category.

Summary

Mercedes W164 W212 Oil Filter Housing Diesel OM642 is a used, original lubrication system component that allows you to maintain the factory operating parameters of the diesel engine. Choosing an OEM component from the Oil filters group supports stable oil pressure, correct filtration, and reduces the risk of leaks, which has a direct impact on the durability of the power unit and the safety of vehicle operation.