Intercooler Hose Mercedes W447 OM651 Charge Air Radiator Left Hose A4475280082

The Mercedes W447 OM651 Left Intercooler Air Hose is a component from the Hoses, Pipes and Tubes group, designed for the boost system in Mercedes vehicles with an OM651 engine. Precise fitting to the left side of the engine bay ensures stable air delivery to the intercooler and supports the proper operation of the powertrain.

Specifications and technical data

• SKU: A4475280082
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4475280082
• Substitutable numbers: A4475280082, A 447 528 00 82
• Location on the vehicle: Left
• Category: Hoses, Lines & Pipes

Purpose and Function in the Boost System

The left intercooler air hose is responsible for the sealed and directed flow of compressed air between the components of the boost system in the Mercedes W447 with an OM651 engine. The correct geometry of the hose and matched connector diameters minimize pressure drops, which contributes to stable turbocharging operation and maintains the vehicle's proper dynamics.

Its placement on the left side of the vehicle allows for optimal routing of the hose within the engine bay, maintaining required clearances from other components. This minimizes the risk of unwanted vibrations, chafing, and localized overheating of the hose.

Benefits of Using an Original Mercedes Hose

A component from the Hoses, Pipes and Tubes group, dedicated to a specific body and engine configuration, ensures:

• factory fit for the intake system in the Mercedes W447 with an OM651 unit,
• appropriately selected flexibility and wall stiffness of the hose,
• stable connection with other intercooler system components,
• reduced risk of leaks and power loss resulting from compressed air escaping.

A used component of this type is an attractive solution for boost system servicing when you want to maintain the original engine performance characteristics while optimizing repair costs.

Selection and Installation of the Intercooler Air Hose

When selecting the left intercooler air hose for the Mercedes W447 with an OM651 engine, matching it to the specific vehicle version and intake system is crucial. This hose has been designed for the factory configuration, which facilitates installation and allows for maintaining the original routing of the air system.

During installation, pay attention to:

• correct seating of the hose ends on the system's spigots,
• absence of twists and excessive tension on the hose after securing,
• checking the condition of the clamps and other intake system components.

This approach helps to reduce the risk of subsequent leaks and ensures stable operation of the boost system under typical operating conditions.

Practical Application in Servicing

Replacing the left intercooler air hose is recommended in situations where symptoms such as power loss, whistling or hissing of air under load, visible cracks, or oil stains on the hose surface appear. Using a dedicated component for the Mercedes W447 with an OM651 engine restores proper airflow and reduces unwanted stress on the turbocharger.

If you are planning a comprehensive repair or upgrade of the intake system area in your Mercedes and need other parts from the same group, such as air ducts, flexible hoses, or rigid pressure pipes, check the available parts in the Mercedes Hoses, Pipes and Tubes category.

More About Reducing Vehicle Downtime

When planning boost system repairs, it's worth considering the availability of parts from a single warehouse, which significantly reduces vehicle downtime at the mechanic's. If you want to learn how a wide range of used components affects the speed of repair completion, read the article No More Weeks of Waiting – How a Wide Range of Parts in One Warehouse Actually Reduces Your Car's Downtime at the Mechanic?.