Mercedes W164 W204 W212 OM642 Oil Separator Breather Hose A6420160581

Mercedes W164 W204 OM642 Oil Breather A6420160581 is a crankcase ventilation system component for diesel engines, specifically designed for OM642 units. Thanks to its precise construction and fit to factory mounting points, it ensures stable operation of the oil breather system and helps maintain correct diesel engine operating parameters.

Specifications and technical data

• SKU: A64201600581
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420160581
• Substitutable numbers: A6420160581, A 642 016 05 81
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and Technical Function

The oil breather in the OM642 engine is responsible for controlled venting of gases from the crankcase and separation of oil mist, which limits oil entering the intake system. The presented component, belonging to the Hoses, Tubes, and Pipes category, works with Diesel fuel systems, ensuring proper crankcase pressure and stable engine operation.

Using a correctly selected oil breather is particularly important in modern diesel engines, where excessive blow-by and oil in the intake can lead to contamination of the manifold, EGR valve, and turbocharger components. A properly fitted breather hose helps to limit these phenomena and supports maintaining good engine running culture.

Construction and Fit for the OM642 System

The component has been designed as part of the hose and pipe system working with the OM642 engine, maintaining factory geometry and mounting points. This allows for an organized installation without the need for modifications or additional adapters.

Key construction features of the oil breather for OM642:

• dedicated fit for OM642 family diesel units,
• preservation of the original hose routing in the engine bay,
• compatibility with the factory hose, tube, and pipe system.

This solution helps maintain the integrity of the entire system while facilitating service and future inspections.

Benefits of Using an Original Mercedes Part

The oil breather designed for OM642 engines in Mercedes W164 and W204 models, as a Mercedes product, ensures compliance with the manufacturer's factory standards. This means predictable performance during operation and proper fit with other components of the intake and lubrication systems.

The main advantages of using this component include:

• compatibility with the Diesel system in OM642 units,
• maintenance of factory gas flow parameters from the breather,
• reduction of leakage risk due to improper hose fit,
• easier diagnostics and service due to compliance with manufacturer documentation.

For owners of Mercedes vehicles with diesel engines, this translates to more predictable operation and a reduced risk of problems related to improper ventilation system function.

Used Product Characteristics

The offered oil breather is a used item, allowing for an economical restoration of the crankcase ventilation system's efficiency in the OM642 engine while maintaining the original manufacturer's specifications. This type of solution is often chosen for vehicles used intensively, where a reasonable balance between repair cost and maintaining the factory design is important.

Choosing a used part from the hoses, tubes, and pipes category can be particularly beneficial in situations where maintaining original geometry and mounting points is crucial, and there is no need to invest in a completely new component.

Additional Information and Related Products

If you are modernizing or servicing the crankcase ventilation system in your Mercedes diesel engine and also need other hoses, tubes, or pipes dedicated to this brand, check the available parts in the Mercedes Hoses, Tubes, and Pipes category.

If you are wondering when it is worth choosing a used part and when it is better to opt for a new part or an aftermarket one, an article comparing different solutions in terms of cost, quality, and fit may be helpful – a detailed discussion can be found in the material Original, Aftermarket, or Used – Which Car Parts Are Most Cost-Effective?.