Mercedes W212 W213 C218 Oil Pump 3.0 Diesel OM642 A6421802801

Mercedes W212 W213 C218 Oil Pump 3.0 Diesel OM642 is an original component from the Oil pumps and parts group, designed for 3.0 Diesel OM642 engines. The used OEM oil pump ensures a factory fit for the Mercedes power unit, which facilitates maintenance and reduces the risk of compatibility issues.

Specifications and technical data

• SKU: A6421802801
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6421802801
• Substitutable numbers: A 642 180 28 01, A6421802801, A 642 180 18 00, A6421801800
• Fuel type: Diesel
• Part type: Oil Pump
• Category: Oil Pumps & Parts

Purpose and role in the lubrication system

The oil pump in the 3.0 Diesel OM642 engine is responsible for maintaining stable oil pressure throughout the entire lubrication system. A properly functioning component:

• ensures continuous lubrication of the bearings, crankshaft, and timing system,
• reduces mechanical wear of moving parts,
• helps maintain the proper operating temperature of the power unit,
• minimizes the risk of engine seizure under high loads. For high-torque Diesel engines, stable oil pressure is particularly important, which is why using an original oil pump has a direct impact on the durability of the OM642 unit.

Benefits of using an original Mercedes oil pump

Choosing an original oil pump for a Mercedes with a 3.0 Diesel OM642 engine is a technically safe and predictable solution. The OEM component:

• is structurally matched to the oil channels and engine housing,
• maintains operating parameters in accordance with the manufacturer's specifications,
• reduces the risk of leaks and oil pressure drops,
• facilitates installation for the mechanic thanks to factory mounting points. For users of W212, W213, and C218 models, using an original oil pump translates into stable power unit operation and predictable engine behavior over a long service life.

Product characteristics and condition

The offered oil pump belongs to the Oil pumps and parts category and comes from a dismantled Mercedes vehicle. As a used component, it is a good choice for drivers looking for a factory part at a reasonable price while maintaining the original design and operating parameters. The pump is designed for Diesel-powered engines, which is important when selecting parts for a specific version of the OM642 unit. Before installation, a standard service procedure is recommended: checking the cleanliness of the lubrication system, verifying the oil pan, oil pickup, and the condition of the engine oil.

Professional installation and operation

To fully utilize the potential of this oil pump, it is worth commissioning the installation to a specialized service center familiar with the specifics of OM642 units. A correctly performed replacement, combined with a check of seals and filters, allows for restoring proper oil pressure and increasing the safety of engine operation during daily driving and long trips. 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 pump housings, drive gears, or lubrication system components, check the available parts in the Mercedes oil pumps and parts category.

Additional technical and operational information

3.0 Diesel OM642 engines are often used in vehicles with all-wheel drive, where stable lubrication is also important under higher drivetrain loads. In the context of operating such vehicles, it is worth familiarizing yourself with the operating principles of various AWD systems and their service requirements – this is discussed in detail in the article xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi, and VW. Purchasing a used, original oil pump is also an environmentally friendly solution – reusing functional components reduces the consumption of raw materials and energy needed to produce new parts. You can find more about the impact of such decisions on ecology in the material Sustainable automotive: How purchasing original used parts reduces the carbon footprint and protects the environment?.