Mercedes W204 W212 Turbo Intercooler Hose Pipe OM642 Diesel A2045282982

Mercedes W204 W212 Turbo Intercooler Hose Pipe OM642 is an original intake system component designed for diesel engines, ensuring stable routing of compressed air from the turbocharger. Thanks to its factory geometry and precise fit for the specific engine unit, it maintains correct boost pressure and supports smooth engine operation. This is a practical solution for users looking to restore the proper efficiency of the turbocharging system in their Mercedes C-Class and E-Class models.

Specifications and technical data

• SKU: A2045282982
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045282982
• Substitutable numbers: A2045282982, A 204 528 29 82
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the turbocharging system

The described turbo air hose operates within the diesel engine's intake system, connecting components responsible for compressing and delivering air to the combustion chamber. Its tasks include:

• routing compressed air from the turbocharger to subsequent intake components,
• minimizing pressure losses during airflow,
• ensuring proper system airtightness,
• stable operation under variable loads and temperatures typical for diesel units.

Thanks to its proper shape and diameter, the hose supports efficient cylinder filling, which translates into engine refinement, dynamics, and correct interaction with the control system.

Construction, fitment, and installation

The component belongs to the Hoses, pipes, and tubes group, meaning it has been designed to operate in high-pressure and elevated-temperature environments. The hose construction is adapted for installation in the engine bay of Mercedes W204 and W212 models with the OM642 unit, taking into account:

• routing along factory mounting points,
• appropriate bending radius to avoid airflow restrictions,
• compatibility with original clamps and connectors.

Such fitment facilitates installation and allows for maintaining the factory intake system layout, without the need for modifications or the use of universal parts.

Application in diesel engines

The hose has been prepared for use with diesel engines, where the turbocharging system operates under significant load. In such engines, the airtightness and stability of air hoses are crucial for:

• maintaining proper boost pressure,
• reducing power drops resulting from leaks,
• correct operation of the exhaust gas recirculation system and fuel dosage control.

Replacing a worn or leaking hose with an original component allows for restoring stable diesel engine performance parameters and minimizing the risk of error codes stored in the ECU.

Characteristics of the used part

The offered hose is a used part, sourced from dismantling, which represents a reasonable compromise between cost and maintaining factory specifications. In practice, this means:

• preservation of original geometry and mounting points,
• possibility of direct installation in place of a worn component,
• an attractive solution for maintenance repairs in older vehicles.

When selecting the hose, it is worth verifying compatibility with the specific engine version and vehicle year using the OEM part number and available replacement numbers in the technical specifications section.

Support with selection and related parts

If you are planning comprehensive intake system maintenance or replacing other components related to airflow, it is worth checking out other components in the Hoses, pipes, and tubes for your car category. This will allow you to select a consistent set of parts and reduce service downtime.

Additional information on when it is worth opting for aftermarket elements and how to reasonably plan upgrades in premium cars can be found in the article on the differences between sports and stock components, which helps to better understand where used parts have practical applications.