Air Intake Pipe Mercedes W213 OM654 Cylinder Head Hose Line Diesel A6540100112

Air Intake Pipe Mercedes W213 OM654 Cylinder Head Hose Line Diesel is a component from the Lines, hoses and pipes group, designed for the diesel engine ventilation system. A properly selected crankcase breather hose ensures stable gas discharge from the crankcase, which supports the correct operation of the power unit and reduces the risk of leaks. This solution is dedicated to users who expect a proven, factory-made component for a diesel engine.

Specifications and technical data

• SKU: A6540100112
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6540100112
• Substitutable numbers: A6540100112, A 654 010 01 12
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the diesel engine system

The presented breather hose is a component of the diesel engine ventilation system used in Mercedes E-Class W213 generation models with the OM654 unit. Its task is to control the discharge of gases from the crankcase into the intake system, which helps maintain stable pressure inside the engine and limits the uncontrolled escape of oil vapors.

A well-selected ventilation hose:

• supports smooth operation of the power unit under various loads,
• reduces the risk of oil leaks and contamination of accessories,
• helps maintain proper combustion parameters in the diesel engine.

Construction and fitment for the OM654 system

The Air Intake Pipe Mercedes W213 OM654 Cylinder Head Hose Line Diesel has been designed for a specific engine architecture, which translates into proper routing of the hose in the engine bay and fitment to the connection ports. The shape and diameter of the hose are adapted to the gas flow in the OM654 unit, thanks to which the element works with the factory system without the need for modifications.

Such fitment reduces mechanical stress, minimizes the risk of abrasion, and facilitates installation in the existing system. The user receives a component that allows for restoring the correct geometry of the ventilation system after replacing a worn or damaged hose.

Characteristics of the used product

The offered element is an original used component, sourced from dismantling. This type of part is an attractive alternative to new replacements, especially where maintaining factory specifications and compatibility with engine accessories is important. A used hose from a renowned vehicle manufacturer often fits better into the existing system than a random replacement with a universal design.

Choosing an original, used hose from the Lines, hoses and pipes group allows for optimizing repair costs while maintaining compliance with the technical design of the OM654 unit.

Benefits of using an original breather hose

Using the correct breather hose in a diesel engine translates into a number of practical operational benefits:

• stable discharge of gases from the crankcase and reduction of overpressure inside the engine,
• reduced risk of oil leaks in the area of seals and the valve cover,
• better cooperation with the factory intake system and exhaust gas recirculation system,
• maintaining clear diagnostics – the operating parameters of the ventilation system remain in accordance with the manufacturer's assumptions.

For users who plan longer operation of a vehicle with an OM654 unit, replacing a worn breather hose with a proven element is a reasonable preventive action that supports the durability of the diesel engine.

System expansion and related elements

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as vacuum lines, cooling hoses, or fuel pipes, check the available parts in the Mercedes lines, hoses and pipes category.

When working on the power unit, it is also worth paying attention to the general condition of the engine and accessories. To better plan the scope of work and assess the profitability of further repairs, a guide on verifying power units may be helpful – you will find practical tips in the article Buying a used engine: 5 things you must check before installation.