Mercedes W166 OM651 Diesel Turbocharger Housing Cover Hose Duct A6510907080

Mercedes W166 OM651 Diesel Turbocharger Housing Cover Hose Duct is a specialized turbocharging system component designed for OM651 diesel engines in Mercedes W166 SUV models. It is responsible for stable routing and protection of the hose in the turbocharger area, which promotes safe engine operation and limits the impact of high temperatures on adjacent components. This is a practical solution for users who want to maintain correct hose geometry and turbocharging system efficiency in their Mercedes.

Specifications and technical data

• SKU: A6510907080-4
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510907080
• Substitutable numbers: A6510907080, A 651 090 70 80
• Fuel type: Diesel
• Part type: Turbo Coupler
• Category: Turbos & Parts

Purpose and function in the turbocharging system

The described cover with hose operates in the immediate vicinity of the turbocharger in a diesel engine, which is why it must withstand increased thermal and mechanical loads. Its task is:

• routing the hose in a controlled manner, while maintaining the appropriate bending radius,
• protection against excessive heating from the turbocharger side,
• limiting the risk of abrasion and damage resulting from engine vibrations,
• maintaining the stability of connections in the turbocharging system area. Thanks to this component, the turbocharging system in a Mercedes with an OM651 engine maintains repeatable operating conditions, which helps maintain power and torque parameters and improves the engine's refinement.

Compatibility with the OM651 Diesel engine

The OM651 engine is a popular diesel unit used widely across the Mercedes range, including W166 models. The turbocharger cover with hose has been designed specifically for the characteristics of this engine, taking into account:

• the placement of the turbocharger relative to the block and manifold,
• hose routing in the engine bay,
• requirements regarding resistance to exhaust gas and charge air temperatures. Selecting a component dedicated to the OM651 allows you to avoid fitment issues, collisions with other subassemblies, and leaks. This is particularly important in diesel engines, where stable boost pressure has a direct impact on performance and fuel consumption.

Characteristics of the used component

The offered component comes from the Turbochargers and parts category and is a used item, which represents a reasonable compromise between cost and functionality. In practice, this means:

• preservation of original geometry and mounting points,
• factory fitment for the turbocharging system in the Mercedes W166,
• possibility of installation as a replacement for a damaged or worn cover with hose. Choosing a used OEM component is often a beneficial solution when servicing a turbocharger, especially when you want to maintain the original system design without incurring the costs of new subassemblies.

Benefits of replacing the turbocharger hose cover

A correctly selected and functional turbocharger cover with hose translates into a number of practical operational benefits:

• reduced risk of hose damage in high-temperature zones,
• better protection of adjacent elements in the engine bay against overheating,
• maintaining proper hose routing, which limits stress and vibrations,
• more predictable turbocharger operation over a longer period of use. For users of Mercedes vehicles with a diesel engine, this is a simple way to increase the reliability of the turbocharging system and limit the risk of costly failures resulting from neglect in the turbine accessory area.

Part selection by numbers and technical support

When selecting elements for a turbocharging system in a Mercedes, it is crucial to use the correct manufacturer markings and interchangeable numbers. This allows you to avoid mistakes, especially in the case of diesel units, where differences in accessories may result from the model year, power version, or installed additional equipment. If you want to better understand how to safely verify the compatibility of subassemblies by OEM numbers in premium cars, the following guide will be helpful: how to safely buy parts online by OEM numbers for Mercedes and BMW. If you are interested in a broader context of diesel engine operation and comparing them with gasoline units in terms of durability and repair costs, it is worth reading an article describing the evolution of Volkswagen units – Volkswagen 1.9 TDI vs 1.4 TSI – evolution of VW engines and repair costs. This will allow you to better assess the importance of correctly selected accessory elements, such as turbocharging system components.

Related Mercedes turbocharging system components

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 turbochargers, charge hoses, or heat shields, check the available parts in the Turbochargers and parts Mercedes category.