Vent Hose Mercedes Vito W447 Diesel OM651 Engine Breather Line A6510101782

The Mercedes Vito W447 Diesel OM651 Crankcase Ventilation Hose is a component of the crankcase ventilation system that works with the OM651 diesel engine. Thanks to its precise fit for the Diesel engine type, it ensures stable removal of oil vapors and gases from inside the engine, promoting its smooth operation. This is a practical service solution for Vito W447 owners who want to restore proper crankcase ventilation system function without compromising on compatibility.

Specifications and technical data

• SKU: A6510101782
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510101782
• Substitutable numbers: A6510101782, A 651 010 17 82
• Fuel type: Diesel
• Category: Coolant Hoses

Function of the Crankcase Ventilation Hose in the OM651 Diesel Engine

The crankcase ventilation hose in the Mercedes Vito W447 with the OM651 engine is responsible for the controlled removal of blow-by gases from the crankcase into the intake system. A properly functioning component:

• stabilizes crankcase pressure,
• limits uncontrolled oil leaks,
• supports cleaner operation of the intake system,
• indirectly affects the refinement of the diesel engine's operation.

For turbocharged Diesel engines, maintaining the seal and flow of the crankcase ventilation hose is crucial for the durability of seals and the proper functioning of auxiliary components.

Compatibility and Fit for Mercedes Vito W447

The Mercedes Vito W447 Diesel OM651 Crankcase Ventilation Hose is designed as a dedicated part for this specific generation of Vito with the OM651 unit. This means:

• geometry adapted to the factory routing in the engine bay,
• retention of factory mounting points,
• compatibility with the original intake system and valve cover.

This ensures a factory-like installation process, without the need for modifications or adapters, which is particularly important for heavily used commercial vehicles.

Characteristics of a Used Part

The offered hose comes from the Cooling System Hoses and Pipes group, but in practice, it operates in the engine ventilation area. As a used part, it represents an economical service solution, allowing for reduced repair costs while maintaining the original design. These types of components are often chosen for fleet vehicles where a sensible balance between price and functionality is key.

Using an original crankcase ventilation hose instead of aftermarket alternatives helps maintain compliance with the manufacturer's original specifications, which is important for the long-term operation of the engine.

Importance of a Functional Hose and Pipe System

In modern diesel engines, the network of hoses and pipes – in both the cooling and ventilation systems – forms a cohesive system that interacts with the control electronics. Leaks, cracks, or blockages in the crankcase ventilation hose can lead to:

• increased oil consumption,
• irregular idling,
• contamination of the intake and associated components.

Regular inspection and, if necessary, replacement of the crankcase ventilation hose is a simple service task that helps maintain stable engine operating parameters and reduces the risk of costly future repairs.

Expanding Cooling and Ventilation System Service

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional hoses, flexible pipes, or connectors, check the available parts in the Mercedes Cooling System Hoses and Pipes category.

To better understand the relationships between the cooling system, engine operating temperature, and component durability, it is worth consulting our technical guide Engine Cooling System – Overheating, Repair, and Used Radiators, which discusses practical aspects of operating and servicing modern engines.