Housing Mercedes W204 OM272 Engine Breather Valve Flange Cover A2720100431

Mercedes W204 OM272 Crankcase Vent Hose Housing Engine Breather A2720100431 is a component from the Hoses, Pipes, and Tubes category, designed for the OM272 engine's crankcase ventilation system. It is responsible for the stable routing of gases from the crankcase breather, which is crucial for proper engine operation and maintaining correct crankcase pressure. Thanks to its design conforming to the manufacturer's standard, it is a practical solution for repairs and servicing of the engine ventilation system in the Mercedes W204.

Specifications and technical data

• SKU: A2720100631
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720100631
• Substitutable numbers: A2720100631, A 272 010 06 31, A2720100431, A 272 010 04 31
• Category: Hoses, Lines & Pipes

Purpose and Function in the Engine System

The crankcase breather hose housing in the OM272 engine serves as a component for directing gases from inside the engine to further parts of the intake system. A correctly selected housing reduces the risk of leaks, uncontrolled oil spills, and disruptions in the crankcase ventilation system. For units installed in the Mercedes W204, this is important for both idle stability and long-term engine operation.

Using a component that matches the factory specification helps maintain the correct gas flow geometry, which translates to more predictable engine performance parameters and facilitates the diagnosis of potential faults related to the crankcase ventilation system.

Construction and Fitment for Mercedes W204 OM272

The presented engine breather hose housing has been designed for integration with the system of hoses, pipes, and tubes in the OM272 engine. The shape and mounting points are adapted to the factory layout of components in the engine bay, which simplifies installation and subsequent servicing. This allows for maintaining the original routing of the hoses and proper support for the entire section of the ventilation system.

This element belongs to the group of components that directly affect system sealing. Proper seating of the housing limits the ingress of so-called "false air" into the intake, which is important for stable operation of the engine's fuel and control system.

Application in Servicing and Repairs

The crankcase breather hose housing is particularly useful in situations where the existing component has cracked, deformed, or worn out due to use. Replacing this component is often one of the steps in restoring the full functionality of the crankcase ventilation system, especially in vehicles with higher mileage. Using a part from the same design line as the vehicle's original equipment facilitates compatibility with other hoses, pipes, and tubes.

In workshop practice, such an element allows for:

• reducing oil leak issues in the crankcase breather area,
• decreasing the risk of errors related to incorrect system pressure,
• maintaining proper hose routing in the engine bay.

Product Characteristics and Condition

The offered crankcase breather hose housing belongs to the Mercedes parts group in the Hoses, Pipes, and Tubes category. The product is used, which in practice means it comes from a dismantled vehicle and can be a cost-effective solution for economical vehicle repairs while maintaining compliance with the factory design. This type of component is often chosen by workshops specializing in servicing W204 models with the OM272 engine, where precise fitment for a specific engine version is important.

By retaining the original geometry and connection points, the hose housing can be integrated into the existing system without the need for modifications to other components, which reduces servicing time and facilitates leak checks after installation.

Technical Support and Related Content

If you are planning comprehensive servicing of the crankcase ventilation system in your Mercedes and also need other components from the group of hoses, pipes, and tubes dedicated to this brand, check the available parts in the Mercedes Hoses, Pipes, and Tubes category.

For modifications or repairs related to exhaust and gas flow in the vehicle, materials concerning the exhaust system and the selection of used components may also be helpful – you can find more practical tips in the article Performance Exhaust System: Used Sport Manifolds and Catalytic Converters on the Road.