Mercedes W204 Transmission Oil Cooler Line Hose Tube Pipe Right O/S A2042702296

Mercedes W204 Transmission Oil Cooler Line Hose Tube Pipe Right O/S is an original component from the Oil coolers and lines group, designed for the precise routing of transmission oil on the right side of the vehicle. Thanks to its factory-spec geometry and fitment for the automatic transmission system in the Mercedes W204, the line ensures stable operating conditions for the transmission and supports the maintenance of proper oil temperature. It is a practical solution for users who want to maintain system consistency with OEM components and avoid issues with leaks or improper medium routing.

Specifications and technical data

• SKU: A2042702296
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2042702296
• Substitutable numbers: A2042702296, A 204 270 22 96, A 204 270 38 96, A2042703896
• Location on the vehicle: Right
• Part type: Oil Cooler Line
• Category: Oil Coolers & Lines

Purpose and function in the transmission oil cooling system

The described line operates in the transmission oil circuit between the gearbox and the oil cooler, responsible for transporting oil on the right side of the vehicle. A correctly selected component of this type:

• ensures stable oil flow to and from the cooler,
• reduces the risk of pressure drops in the system,
• minimizes the possibility of leaks at the connections,
• supports the maintenance of the optimal operating temperature of the automatic transmission.

By maintaining the factory routing path, the line does not interfere with other components in the engine bay, which facilitates service and subsequent visual inspections.

Benefits of using an original Mercedes line

Choosing a transmission oil cooler line dedicated to the Mercedes W204 translates into a number of practical advantages. The most important include:

• Factory fitment for the drivetrain – compatibility with mounting geometry, connection diameters, and the routing of the installation on the right side of the vehicle is maintained.
• Consistency with automatic transmission operating parameters – the line is designed with the appropriate oil flow and pressure for a specific model in mind.
• Easier diagnostics and service – the mechanic deals with a system based on OEM components, which makes it easier to identify potential leaks and plan further repairs.
• Possibility of using interchangeable part numbers – this facilitates the selection of a replacement part based on the manufacturer's service documentation.

For the user, this means more predictable transmission behavior and a reduction in the risk of malfunction resulting from the use of random replacements.

Mounting characteristics and vehicle placement

The line is intended for installation on the right side of the vehicle, which is crucial when selecting a component for a specific drivetrain configuration. Proper placement on the vehicle:

• ensures compliance with factory oil line routing,
• reduces stress on joints and connectors,
• decreases the risk of chafing against other elements in the engine bay,
• facilitates access during replacement and periodic inspections.

In practice, installation comes down to recreating the original line path, maintaining the correct connection sequence to the oil cooler and transmission, and using appropriate seals in accordance with the manufacturer's recommendations.

Component condition and service application

The offered line comes from the used parts group, which allows for an economical repair of the transmission oil cooling system while retaining an OEM component. This type of solution is particularly beneficial in the case of:

• maintenance repairs after discovering leaks or corrosion of an existing line,
• restoring system completeness after a collision or interference in the engine bay,
• preventive service when there is a suspicion of weakened oil line structure.

Before installation, a standard visual inspection is recommended, as well as checking the condition of the connections and verifying tightness after installation in the vehicle, in accordance with workshop procedures for oil systems.

System expansion: Mercedes oil coolers and lines

If you are planning a comprehensive repair or upgrade of the transmission oil cooling area in your Mercedes and need other elements from the same group, such as additional oil lines, oil coolers, or mounting connectors, check the available parts in the Mercedes oil coolers and lines category.

More about oil cooling system operation

For a fuller understanding of the impact of temperature on the durability of drivetrain components and ways to optimize service costs, it is worth reading the guide: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. The article discusses practical aspects of selecting used cooling components and their impact on vehicle safety and operating economy.