The Mercedes W204 OM651 turbo hose connector pipe is a turbocharger and parts component designed for use in Mercedes vehicles with the OM651 engine. This component allows for a technically, economically, and proven replacement of a section of the charge air hose, restoring proper turbocharger operation and stable boost parameters.
Specifications and technical data
- SKU: A6510906780-2
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6510906780
- Substitutable numbers: A6510906780, A 651 090 67 80
- Category: Turbos & Parts
Purpose and function in the supercharging system
The turbo hose connector is responsible for a tight and stable connection of the intake system components between the turbocharger and the rest of the air system. A properly selected and efficient hose reduces pressure drops, minimizes the risk of leaks, and supports a uniform supply of compressed air to the engine.
In the OM651 engine, using the correct connector is important for:
- maintaining the appropriate boost pressure throughout the entire rev range,
- stable operation of the turbocharger and protection against overloads,
- limiting power loss resulting from air leakage,
- maintaining the correct combustion parameters and operating culture of the drive unit.
Technical characteristics and fit
This connector is part of the Turbocharger and Parts group, meaning it's designed to work with the factory Mercedes supercharger system. The hose's design is adapted to the engine compartment geometry and intake system in models with the OM651 engine, simplifying installation and ensuring proper airflow.
The original Mercedes origin translates into:
- compliance with factory mounting points and connection diameters,
- predictable behavior under load and at variable operating temperatures,
- easier identification based on the OEM part number and available interchangeable numbers (visible in the technical specifications).
Used condition and benefits of use
The turbo hose pipe connector is offered in used condition, reducing repair costs while maintaining compliance with the factory system design. This type of component is particularly attractive in situations where the existing hose has been mechanically damaged, delaminating, or leaking at the joints.
Using a used component in the supercharging system is a solution often chosen by users looking for:
- a reasonable compromise between price and functionality,
- original geometry and adaptation to a specific engine,
- parts that comply with factory assembly standards.
Practical assembly tips
Before installing the connector in a Mercedes W204 with an OM651 engine, it is recommended to thoroughly inspect the condition of the associated intake system components, such as clamps, connectors, and mating surfaces. Proper hose seating and even tightening of the fasteners reduces the risk of future leaks and facilitates the diagnosis of any potential power losses.
It's also worth verifying the part's compatibility with the vehicle based on the data in the technical specifications section, which provides information on the OEM part number and interchangeable part numbers. This allows for more precise selection of the connector for a specific engine configuration and vehicle year.
Other Mercedes supercharging system components
If you also need other components from the Mercedes turbochargers and parts category, check out our dedicated offer: Mercedes turbochargers and parts . Focusing on one category makes it easier to select compatible components for a specific model and engine.
Knowledge of used parts and tuning
Using used turbocharger components, such as turbo hose connectors, fits well with the approach to cost-effective car servicing and modification. If you're interested in a broader perspective on the use of second-hand components in German-branded cars, check out the article: Audi Using Second-Hand Parts – Tuning and Repairs Without Losing Quality . You'll find practical tips on how to wisely choose used components, including turbocharger-related components.
