Intake Hose Mercedes W168 OM668 Air Intake Pipe Tube Hose Diesel A6680181482

Intake Hose Mercedes W168 OM668 Air Intake Pipe Tube Hose Diesel is an item from the Lines, hoses and pipes group, designed for the crankcase ventilation system in models with the OM668 engine. It is responsible for the controlled flow of gases from the breather, which promotes stable operation of the diesel engine and reduces contamination of the intake system.

Specifications and technical data

• SKU: A6680181482
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6680181482
• Substitutable numbers: A6680181482, A 668 018 14 82
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the diesel engine system

The breather air hose in the OM668 engine is responsible for discharging gases from the crankcase to the intake system, ensuring that the lubrication system and intake remain in better operating condition. In Diesel engines, a properly functioning breather hose is essential for maintaining stable crankcase pressure and reducing oil leaks and excessive exhaust smoke.

Using a hose structurally matched to the OM668 engine allows for maintaining the correct geometry of gas routing, which minimizes the risk of leaks, cracks, and uncontrolled suction of "false" air into the intake.

Construction and fitment for Mercedes W168 OM668

The hose has been designed for the specific engine layout in the Mercedes W-class W168 with the OM668 unit, which ensures proper routing between the breather and the intake system. The shape and connection diameters are adapted to the factory ports, which facilitates installation and reduces the need for additional modifications.

The item belongs to the Lines, hoses and pipes group, which means it is part of the working media transport system in the engine compartment. Proper fitment of the hose in this area affects the correct operation of the breather system, and indirectly, the refinement of the engine's operation.

Benefits of using an original breather hose

Using a breather air hose dedicated to the OM668 engine helps reduce typical operational problems associated with the ventilation system, such as:

• increased blow-by and unstable crankcase pressure,
• excessive oiling of intake pipes,
• risk of leaks at connections and a decrease in engine efficiency.

Selecting the right hose is particularly important in diesel engines, where the breather system operates under higher thermal and pressure loads. A properly matched component helps maintain more predictable operating conditions for the engine and facilitates the diagnosis of potential faults.

Condition of the item and service application

The offered hose is in used condition, making it a reasonable choice for servicing vehicles where cost optimization is important while maintaining compliance with the factory design. This type of component is suitable for both routine maintenance of the breather system and repairs related to leaks in the area of hoses in the engine compartment.

Before installation, a standard visual inspection and verification of connection tightness after installation are recommended to ensure the proper operation of the entire ventilation system in the Mercedes W168 with the OM668 engine.

System expansion – other Mercedes lines, hoses and pipes

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, intake hoses, or ventilation pipes, check the available parts in the Mercedes lines, hoses and pipes category.

Expert support for selecting used components

When planning repairs within the bodywork or components mounted in the engine compartment, it is worth considering the conscious selection of used parts instead of random replacements. It may be helpful to read the guide Post-accident repair of your car: why are used body parts a better choice than replacements?, which discusses the practical aspects of using used components in the service process.