Mercedes W166 Turbocharger Pipe Hose Cover OM651 Diesel A6510907080

Mercedes W166 Turbocharger Pipe Hose Cover OM651 Diesel is a precisely fitted component from the Turbochargers and parts group, designed to protect the boost hose in the OM651 diesel engine. A properly selected cover stabilizes the hose routing and limits the impact of temperature and external factors, which promotes smooth operation of the boost system and longer component service life.

Specifications and technical data

• SKU: A6510907080-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510907080
• Substitutable numbers: A6510907080, A 651 090 70 80, 53041019079
• Fuel type: Diesel
• Part type: Turbocharger Hose
• Category: Turbos & Parts

Purpose and function in the boost system

The turbocharger pipe hose cover in Mercedes W166 models with the OM651 diesel engine is responsible for the stable routing of the boost air hose and its protection against overheating and mechanical damage. A correctly selected element helps maintain system tightness, reduces the risk of hose chafing and cracking, and thus supports the maintenance of proper boost pressure. Thanks to a design consistent with factory solutions, the cover works with the mounts and geometry of the engine compartment, which facilitates installation and subsequent servicing. This is particularly important in Diesel units, where high operating temperatures and heavy thermal loads require properly designed hose protection.

Benefits of using an original cover

Using an original turbocharger pipe hose cover in a Mercedes W166 translates into a number of practical operational benefits:

• better fit to factory mounting points in the engine compartment,
• reduction of vibrations and hose movement during engine operation,
• increased protection against temperatures generated by the turbocharger and exhaust components,
• reduced risk of boost system leaks resulting from hose damage. Such a solution promotes stable turbocharger operation, which can positively affect engine refinement, dynamics, and fuel consumption. For the user, this means more predictable vehicle behavior and a lower risk of costly repairs related to the boost system.

Characteristics of the used component

The offered cover comes from the used original parts segment, which allows combining factory fitment with a more favorable purchase cost compared to a new component. An element of this type is particularly attractive for maintenance repairs when the priority is to maintain compliance with the manufacturer's solutions while optimizing the service budget. Choosing an original, used turbocharger pipe hose cover is a rational solution for drivers who want to maintain the structural integrity of the boost system, avoiding random replacements with uncertain fitment. This approach promotes the maintenance of proper engine operating parameters and may be significant for the vehicle's future resale.

The importance of original used parts for vehicle value

Using original components – including those from the secondary market – helps maintain the technical consistency of the vehicle and is often appreciated by informed buyers of used cars. If you want to better understand how the selection of such elements affects the future valuation of a car, see the article Original used parts vs. resale price – how not to lose money?, which discusses the practical aspects of choosing parts and their impact on the vehicle's market value.

Expanding the boost system in a Mercedes

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, boost hoses, or additional covers, check out the available parts in the Turbochargers and parts Mercedes category.