Mercedes W204 OM642 Diesel Engine Oil Sump Pan Support A6420102028

Mercedes W204 OM642 Diesel Engine Oil Sump Pan Support is an original lubrication system component designed for OM642 diesel engines in Mercedes W204 class models. This used oil sump pan from this series ensures factory-fit, maintains proper oil circulation, and provides stable operating conditions for the power unit. It is a solution for users who expect proven compatibility and want to maintain the engine construction to the manufacturer's standards.

Specifications and technical data

• SKU: A6420102028
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420102028
• Substitutable numbers: A6420102028, A 642 010 20 28
• Fuel type: Diesel
• Category: Oil Sumps

Purpose and function in the lubrication system

The oil sump pan in the OM642 diesel engine is responsible for collecting oil, stabilizing it during engine operation, and ensuring proper supply to the oil pump. In the case of the Mercedes W204 with a diesel engine, the correct fit of the sump geometry to the engine block and crankshaft system is crucial for maintaining adequate oil pressure and levels under various load conditions.

Using a component from the same design family allows for maintaining:

• correct positioning of the oil level sensor and designated drain channels,
• stable lubrication system operating conditions under high loads typical for diesel engines,
• compliance with factory mounting points to the block and accessories.

Benefits of using an original Mercedes oil sump pan

Choosing a component from the Oil sumps group dedicated to a specific power unit reduces the risk of leaks, collisions with exhaust system components or accessory drives, and assembly problems. The original design ensures:

• factory fitment with the OM642 engine block in the W204 body,
• maintenance of the oil system's operating capacity as intended by the manufacturer,
• proper oil flow during acceleration, braking, and cornering.

As a result, this type of oil sump pan is suitable for both standard operation and vehicles used intensively, where lubrication parameter stability is important.

Product characteristics and condition

The presented oil sump pan is a used component, which allows for an economical repair of the lubrication system while maintaining the original design specifications. This is a good solution in situations where the existing sump has suffered mechanical damage, corrosion, or deformation following a collision or contact with a road obstacle.

The component is intended for diesel fuel type engines, which means its geometry and design solutions have been adapted to the loads and operating characteristics of the OM642 diesel units used in the Mercedes W204.

Professional application and installation

Due to the importance of the oil sump pan for engine safety, installation by an experienced service center is recommended, following the proper tightening procedure and using appropriate seals. A correctly installed oil sump pan:

• reduces the risk of oil leaks and pressure drops,
• ensures proper cooperation with engine accessories,
• maintains the unit's operating parameters within the range specified by the manufacturer.

For users planning more extensive work on the power unit, using original components within the lubrication system allows for maintaining the technical consistency of the entire engine.

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 sump bodies, covers, or dedicated mounting elements, check the available parts in the Mercedes oil sumps category.

For those interested in a broader approach to car modernization, including the use of used components from higher equipment versions, an article describing the practical aspects of vehicle retrofitting may be helpful – check the guide on professional retrofitting with used parts to better plan the next stages of work on your car.