Protection Plate Mercedes W169 Diesel Engine OM640 Oil Pump Shield A6401800486

The Mercedes W169 Diesel OM640 Oil Pump Cover Plate is a precision component from the Oil Pumps and Parts group, specifically designed for OM640 diesel engines. It is responsible for securely covering the oil pump area, contributing to the proper functioning of the lubrication system in diesel engines. Thanks to its factory-fit design for Mercedes, it offers a functional solution for repairs and servicing of the lower engine section.

Specifications and technical data

• SKU: A6401800486
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6401800486
• Substitutable numbers: A6401800486, A 640 180 04 86
• Fuel type: Diesel
• Category: Oil Pumps & Parts

Purpose and Function in the OM640 Diesel Engine

The oil pump cover plate operates in close proximity to the lubrication system, making its correct fitment to the Diesel engine crucial for maintaining the seal and stability of the pump mounting. This component aids in:

• providing adequate protection to the oil pump area from contaminants,
• maintaining the correct mounting geometry in the lower part of the engine unit,
• reducing the risk of leaks in the lubrication system area.

Its dedication to the specific OM640 engine series in the W169 model ensures compliance with Mercedes' original design specifications.

Compatibility and Fitment for Mercedes W169

The Oil Pump Cover for Mercedes W169 has been developed with the transverse engine architecture of this model in mind. This means that:

• the spacing of the mounting points matches the factory-drilled holes in the block and pump housing,
• the shape of the plate is contoured to the outline of the lower part of the OM640 unit,
• compatibility with the lubrication system designed for diesel versions is maintained.

Such precise fitment simplifies installation and minimizes the need for additional modifications during service work on the oil system.

Characteristics of a Used Part

The presented oil pump cover plate is a used part, meaning it comes from a dismantled vehicle but retains the functionality required for continued operation. For many users and workshops, this is a sensible choice for repairing older Mercedes W169 models, where the cost-benefit ratio and availability of original components are key considerations.

For parts in the Oil Pumps and Parts category, using a used part allows for maintaining compliance with the original design while reducing costs compared to purchasing a new component.

Why Use a Dedicated Oil Pump Cover Plate

Using the correct oil pump cover in a diesel engine translates to:

• more predictable lubrication system operation under everyday driving conditions,
• easier maintenance of sealing in the area of the pump and oil pan,
• compliance with Mercedes service documentation.

When working on Diesel OM640 units, choosing a part dedicated to a specific model minimizes the risk of installation problems and improper fitment with other components of the oil system.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as pump housings, drive gears, or additional mounting elements, check the available parts in the Mercedes Oil Pumps and Parts category.

Technical Support and Knowledge about Used Parts

When selecting used parts for the lubrication system, it is beneficial to understand the differences between new and dismantled components, as well as to consciously assess their cost-effectiveness in the context of a specific car model. A more detailed discussion on this topic can be found in the article Car Parts – New or Used? Comparing Costs, Quality, and Durability, which helps in choosing a service strategy based on the vehicle's age and value.

Additionally, if you are interested in the broader context of using branded components in premium cars and the differences between standard and sport lines, it is worth reading the material BMW M Performance: How Do BMW M Components Differ from Standard Ones?, which illustrates how manufacturers design their components with durability and performance characteristics in mind.