Mercedes W204 C207 S212 Transmission Oil Cooler Hose Line Right O/S A2042704396

Mercedes W204 C207 S212 Transmission Oil Cooler Hose Line Right O/S is an original drivetrain component designed for the precise routing of automatic transmission oil on the right side of the vehicle. Thanks to its factory geometry and specific fitment for Mercedes models, the hose ensures stable transmission operating conditions and helps maintain proper oil cooling parameters. It is a practical solution for users seeking a proven, used component with maintained functionality.

Specifications and technical data

• SKU: A2042704396
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2042704396
• Substitutable numbers: A2042704396, A 204 270 43 96
• Location on the vehicle: Right
• Part type: Oil Cooler Line
• Category: Oil Coolers & Lines

Purpose and function of the transmission oil hose

The presented hose belongs to the Oil coolers and hoses category, responsible for the safe discharge and return of transmission oil between the gearbox and the cooling system. The component was designed specifically for Mercedes vehicles, which translates into proper routing of the working medium, reduction of pressure drops, and stable operation of the automatic transmission.

The placement on the right side of the vehicle allows for the correct routing of the oil line in the engine bay, maintaining the required distance from heating and moving parts. As a result, the hose supports the maintenance of the proper oil temperature, which is crucial for transmission durability, shift quality, and the protection of other drivetrain components.

Construction and fitment to the oil cooling system

The Mercedes W204 C207 S212 Transmission Oil Cooler Hose Line Right O/S is constructed to work with the factory oil cooling system in selected Mercedes W204, C207, and S212 models. Properly shaped rigid and flexible sections allow for collision-free routing of the hose in the tight space of the engine bay, while maintaining the required bending radii and mounting points.

The original hose ends are prepared to work with factory fittings and connectors of the gearbox and oil cooler, which facilitates installation and minimizes the risk of leaks. Using a dedicated hose instead of universal solutions allows for maintaining proper oil flow and, consequently, stable operating pressure in the transmission.

Benefits of using an original used hose

Using an original, used oil hose to replace a damaged or leaking component brings a number of practical benefits:

• preservation of the factory oil routing path in the transmission cooling system,
• compatibility with original mounts and connectors on the chassis and gearbox,
• reduction of the risk of transmission oil leaks and pressure drops,
• maintenance of stable operating temperature for the automatic transmission,
• possibility of economical repair while maintaining parameters close to factory specifications.

For users who want to restore the proper operation of the oil cooling system without interfering with the vehicle's design, such a hose is a functional and technically sound solution.

Importance of a functional transmission oil cooling system

Efficient oil flow through the hoses and the cooler has a direct impact on the lifespan of the automatic transmission. Improper cooling can lead to oil overheating, accelerated wear of clutch discs, control valves, and seals. Therefore, replacing a worn or corroded hose with a functional component is an essential step in drivetrain maintenance.

If you want to better understand how the cooling system affects the durability of the powertrain and transmission, it is worth checking out the guide describing common overheating problems and the role of oil coolers – this is discussed in detail in the article Engine cooling system – overheating, repair, and used radiators.

Expanding Mercedes oil cooling system service

If you are planning a comprehensive repair or upgrade of the oil cooling system area in your Mercedes and need other components from the same group, such as oil hoses, oil coolers, or oil line connectors, check out the available parts in the Mercedes oil coolers and hoses category.