Mercedes W211 OM642 Gearbox Oil Radiator Cooler Pipe Hose Line Tube A6461801430

Mercedes W211 OM642 Gearbox Oil Radiator Cooler Pipe Hose Line Tube is a specialized drivetrain component designed for use with the OM642 diesel engine and automatic transmission. As part of the Oil coolers and hoses group, it is responsible for the safe transport of transmission fluid between the gearbox and the cooling system, which is crucial for the stable operation of the automatic transmission. This used original component is a sensible choice for users seeking a technically matched solution while maintaining control over service costs.

Specifications and technical data

• SKU: A6461801430
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6461801430
• Substitutable numbers: A6461801430, A 646 180 14 30
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Purpose and technical function

The oil pipe in this model is responsible for the circulation of transmission fluid between the automatic gearbox and the cooling elements, which allows for maintaining a stable operating temperature of the transmission in both urban and highway conditions. Its application in a diesel unit means that the pipe is designed with higher thermal loads and the long-term operation characteristic of such engines in mind.

A properly selected oil pipe reduces the risk of oil overheating, loss of viscosity, and accelerated wear of internal gearbox components. Proper flow and tightness of the pipe translate into:

• stable oil pressure in the automatic transmission,
• more predictable gear shifting performance,
• reduced risk of failures related to transmission overheating.

Benefits of using an original oil pipe

Choosing an oil pipe dedicated to the specific configuration of the OM642 engine and automatic transmission allows for maintaining factory flow parameters and the geometry of the pipe routing in the engine bay. Thanks to this:

• compatibility with factory brackets and mounts is maintained,
• the risk of incorrect pipe positioning near hot components is minimized,
• the possibility of vibrations and stresses leading to leaks is reduced.

For Mercedes vehicle owners, it is important that the original oil pipe is designed for a specific drivetrain, which facilitates diagnostics, service, and subsequent operation without the need for adapting universal solutions.

Application in the gearbox oil cooling system

As an element of the Oil coolers and hoses group, the pipe works with the gearbox oil cooler, being responsible for transporting the working medium between the transmission and the heat exchanger. In practice, this means that the condition of the pipe has a direct impact on:

• transmission oil cooling efficiency,
• maintaining the proper operating temperature of the automatic transmission,
• the overall durability and smoothness of the drivetrain.

In vehicles with a diesel engine, often operated on long routes and under load, a functional oil pipe is an important element of prevention against costly gearbox repairs.

Assembly and operational characteristics

The pipe is designed to work in a system with an automatic transmission, which means it is necessary to maintain high joint tightness and resistance to temperature and pressure changes. During assembly, it is worth paying attention to:

• correct pipe routing in accordance with the factory path,
• checking the condition of the connection ports in the gearbox and oil cooler,
• using appropriate seals in accordance with the manufacturer's technology.

A used component allows for an economical repair, provided it is correctly installed and its tightness is verified after installation. For workshops specializing in the Mercedes brand, this is a practical service solution that allows keeping the vehicle in good working order on a reasonable budget.

System expansion – related oil cooling components

If you are planning a comprehensive repair or upgrade of the gearbox oil cooling area in your Mercedes and need other components from the same group, such as additional oil pipes, return sections, or connecting elements to the cooler, check the available parts in the Mercedes oil coolers and hoses category.

Technical support and service knowledge

For users who want to better understand the impact of temperature on the cooling system and related components, a guide on operation in high temperatures will be helpful. Practical tips on selecting and using cooling components can be found in the article "Summer heat vs. cooling system: used radiators and fans as a guarantee of savings", which allows for better planning of service prevention in the summer season.