Mercedes W207 W212 W218 OM651 Air Duct Pipe Intake Hose Diesel A6510905537

Mercedes W207 W212 W218 OM651 Air Duct Pipe Intake Hose Diesel is an original air intake system component designed for precise air delivery to the engine unit. Thanks to its factory geometry and fitment for specific body generations, the hose ensures stable airflow and proper integration with other intake components in Mercedes vehicles from the OM651 family.

Specifications and technical data

• SKU: rhd-A6510905537
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510905537
• Substitutable numbers: A6510905537, A 651 090 55 37
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

This hose belongs to the group of components responsible for transporting air in a diesel engine, from the filtration system towards the power unit. The properly shaped cross-section and length of the hose help maintain the correct conditions for cylinder filling, which translates into engine refinement, performance, and stable combustion parameters in diesel engines.

A properly selected intake hose reduces the risk of leaks, pressure drops, and unwanted air turbulence. This is important for both the operation of the turbocharger and the correct functioning of fuel dosage control systems and exhaust gas treatment systems.

Compatibility with Mercedes models

The component has been designed for Mercedes E-Class and CLS platforms, where the OM651 family engine is used. This means that the hose geometry, mounting points, and connection diameters are adapted to the factory design solutions in W207, W212, and W218 bodies, which facilitates installation and ensures proper fitment with other intake system components.

By maintaining the original design concept, the hose works with stock air filter housings, guide elements, and engine bay covers without the need for modifications or additional adapters.

Technical characteristics and advantages of use

The intake hose belongs to the Hoses, pipes, and tubes category, meaning it is a component operating under variable thermal and pressure conditions. The hose construction is adapted to the loads typical for diesel engines, including elevated air temperatures and pressure pulsations resulting from turbocharger operation.

• stable guidance of the airflow towards the diesel engine,
• factory fitment for the intake system in Mercedes vehicles from the OM651 family,
• reduction of the risk of leaks in the critical area between the filter and the power unit,
• preservation of the stock operating characteristics of the engine and charging system.

The use of an original intake hose is particularly important for vehicles equipped with advanced exhaust emission control systems, where even minor deviations in airflow can affect sensor readings and the engine control unit's operating strategy.

Component condition and service application

The offered hose is a used component, making it an attractive service solution for users looking for a technically matched replacement at a reasonable price. Replacing the intake hose is recommended in situations where the existing component shows signs of cracks, delamination, deformation, or leaks causing a drop in engine performance.

Selecting a hose compatible with the intake system design of a given Mercedes model allows for reduced installation time, avoids fitment issues, and maintains engine operating parameters in accordance with the manufacturer's specifications.

Intake system expansion and related components

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional hoses, pipes, or tubes for the intake system, check the available parts in the Mercedes Hoses, pipes, and tubes category.

If you are considering whether new or used parts are a better choice in your case, the article comparing both solutions in terms of costs, quality, and durability may be helpful – you can find more information in the material Car parts – new or used? We compare costs, quality, and durability.