Mercedes ML W164 OM642 Diesel Engine Oil Sump Pan Upper Part 6420141502

Mercedes ML W164 OM642 Diesel Engine Oil Sump Pan Upper Part is a factory-made lubrication system component designed for OM642 diesel engines in the ML W164 model. The robust construction of the oil sump pan upper part ensures stable mounting and proper engine oil routing, which translates into safe operation of the power unit and reduces the risk of leaks. It is a practical solution for users who are looking for original geometry and fitment instead of replacements with uncertain parameters.

Specifications and technical data

• SKU: A6420141502
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420141502
• Substitutable numbers: A6420141502, A 642 014 15 02, 6420141502, A6420143702, A 642 014 37 02
• Fuel type: Diesel
• Category: Oil Sumps

Purpose and function in the lubrication system

The oil sump pan upper part in the OM642 diesel engine is responsible for maintaining the correct oil volume, its return to the lower part of the block, and a tight connection with other components of the lubrication system. In the case of diesel units operating under higher thermal and mechanical loads, proper oil flow is crucial for the durability of the bearings, crankshaft, and turbocharger.

Choosing a component with factory specifications allows for maintaining original mounting points, appropriate structural rigidity, and compatibility with engine accessories. This reduces the risk of leaks, improper seal alignment, or stresses that could lead to premature wear.

Benefits of using an original oil sump pan upper part

Using an original oil sump pan upper part in a Mercedes ML W164 with a diesel engine provides a number of practical service and operational benefits:

• Reliable fitment to the OM642 engine block, without the need for modifications or additional adjustments.
• Reproduction of the factory geometry of oil channels, which promotes stable oil pressure across the entire RPM range.
• Compatibility with original accessory mounting points and sealing elements.
• The ability to maintain factory assembly procedures in the workshop, which facilitates work for mechanics.

For users of vehicles with a diesel engine, it is particularly important to maintain proper tightness and rigidity of the lower part of the power unit – a functional oil sump pan upper part is one of the key elements in this area.

Product characteristics and application in a diesel engine

The presented oil sump pan upper part belongs to the Oil sumps category and is intended for diesel-powered units. The design, adapted to the specifics of a diesel engine, ensures the appropriate working volume of oil and stable operating conditions under long-term load, typical for vehicles used on long routes or with a trailer.

The element comes from the Mercedes brand offer, which means maintaining compliance with the manufacturer's factory design and material standards. As a result, the user receives a part with parameters provided by engineers for a specific power unit, which is important both for durability and for subsequent service maintenance.

Condition, assembly, and service aspects

The product is offered as a used item, which allows for economical repair while maintaining the original specification. In workshop practice, such a part is particularly useful in situations where mechanical damage to the sump or the base has occurred (e.g., due to an impact from underneath) and a quick replacement is necessary without waiting a long time for new components.

During assembly, it is recommended to use new seals and follow the tightening torques specified for the given engine. A correctly installed oil sump pan upper part reduces the risk of leaks, makes it easier to keep the engine compartment clean, and promotes stable operation of the lubrication system over the long term.

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 other components of the lower part of the power unit, check the available parts in the Mercedes Oil sumps category.

To better plan service work and shorten the car's downtime in the workshop, it is worth reading the guide on the impact of the availability of used OEM parts on the repair process – detailed information can be found in the article Availability of car parts off the shelf vs. repair time – how do used OEM parts shorten the stay in the workshop?.