Mercedes W203 W204 W212 OM642 Oil Sump Suction Pipe Hose Strainer A6421800751

The Mercedes W203 W204 W212 OM642 Oil Pickup Tube is a specialized lubrication system component designed for OM642 diesel engines in popular Mercedes C-Class, E-Class, and related models. It is responsible for reliably drawing oil from the oil pan, which is crucial for the durability of the engine and the stable operation of the lubrication system. Thanks to its original design, it ensures compliance with factory manufacturer standards and predictable performance during operation.

Specifications and technical data

• SKU: A6421800751
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6421800751
• Substitutable numbers: A6421800751, A 642 180 07 51
• Category: Oil Sumps

Purpose and Function in the Lubrication System

The oil pickup tube in the OM642 engine is responsible for directly drawing oil from the oil pan and transferring it to the oil pump. A correctly selected component in this position minimizes the risk of oil pressure drops, cavitation, and insufficient lubrication during engine start-up and during intensive engine operation.

For engines installed in Mercedes W203, W204, and W212 series, the proper functioning of the oil pickup tube is particularly important due to the thermal and mechanical loads typical for high-torque diesel engines. Using the correct oil pickup tube allows for stable lubrication system operating parameters across the entire RPM range.

Benefits of Using an Original Oil Pickup Tube

Choosing a component that matches the factory specification offers a range of practical operational benefits:

• Precise Fit to the Oil Pan – correct geometry and mounting points reduce the risk of leaks and improper positioning in the pan.
• Stable oil intake under various driving conditions – including long-distance highway driving and frequent acceleration.
• Reduced risk of drawing in contaminants thanks to a properly designed intake zone.
• Compatibility with the original OM642 engine lubrication system, without the need for modifications to other components.

This component, from the Oil Pans category, works directly with the oil pan's structure. Therefore, using the correct oil pickup tube is important for any significant intervention in the lower part of the engine, such as replacing the oil pan, seals, or during an engine overhaul.

Product Condition and Installation Aspects

The offered oil pickup tube is a used part, allowing for an economical restoration of the lubrication system's functionality while maintaining the original design. Before installation, a standard workshop procedure is recommended, including thorough cleaning of oil passages, inspection of sealing surfaces, and verification of mounting points in the oil pan and on the engine block.

During installation, pay attention to:

• correct positioning of the tube relative to the bottom of the oil pan,
• using appropriate seals in accordance with manufacturer recommendations,
• checking the lubrication system for leaks after the first engine start.

Application in Mercedes Models with OM642 Engine

The Mercedes W203 W204 W212 OM642 Oil Pickup Tube is designed for OM642 diesel engines used in popular C-Class and E-Class models. By maintaining its original geometry and mounting points, the tube is compatible with the factory oil pans intended for these engine-body configurations.

This solution is particularly useful for:

• overhauling the lower part of the OM642 engine,
• replacing a damaged or corroded oil pickup tube,
• adapting a used engine to a W203, W204, or W212 body while retaining the original lubrication system.

Complementary Offer and Additional Information

If you are planning a comprehensive service of your Mercedes' lubrication system and also need other components that work with the oil pan, such as additional lines, mounts, or structural elements for the lower part of the engine, check the available parts in the Mercedes Oil Pans category.

For major powertrain repairs, including drivetrain components, practical tips on the cost-effectiveness of using aftermarket parts may be helpful – you can find more on this topic in the article Used Gearbox – When is it Worth It and What You Need to Know.