Fiat Ducato Mk3 2.2 Diesel Turbocharger Housing 46349133

Fiat Ducato Mk3 2.2 Diesel Turbocharger Housing is a component from the Turbochargers and parts group, designed for the turbocharging system in the 2.2 Diesel engine. It is a practical solution for users who want to restore the proper operation of the turbocharger while maintaining the factory geometry and fitment for the third-generation Ducato power unit.

Specifications and technical data

• SKU: 46349133-3
• Mark: Fiat
• Condition: Used
• OEM Part Number: 46349133
• Substitutable numbers: 71799365
• Fuel type: Diesel
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and function in the turbocharging system

The turbocharger housing in a diesel engine is responsible for the stable flow of exhaust gases and intake air, as well as the correct seating of the turbine core. In the case of the 2.2 Diesel unit in the Fiat Ducato Mk3, this component is crucial for maintaining proper boost pressure, smooth engine operation, and correct interaction with the exhaust and intake systems. A well-chosen housing allows for maintaining:

• proper tightness of the turbocharging system,
• correct exhaust flow through the hot side of the turbine,
• stable operating conditions for the rotor and turbocharger bearings.

Benefits of using the original housing for the Fiat Ducato Mk3

Using a housing dedicated to the specific 2.2 Diesel engine version in the Ducato Mk3 reduces the risk of assembly problems and leaks. The original geometry of the mounts and flow channels facilitates the mechanic's work and allows for maintaining the parameters specified by the vehicle manufacturer. The main advantages of this solution include:

• factory fitment for the 2.2 Diesel unit – no need to modify mounts or lines,
• consistency with other elements of the turbocharging and exhaust system,
• possibility of using the existing engine accessory configuration.

Characteristics of the used component

The turbocharger housing offered as a used part is a solution that allows for optimizing repair costs while maintaining the original design. This type of component is particularly attractive when servicing older Ducato Mk3 vehicles, where both the availability of parts and their compliance with factory solutions are important. In practice, this means the possibility of:

• restoring the efficiency of an existing turbocharger by replacing the housing itself,
• reducing costs compared to purchasing a complete new turbocharger,
• maintaining the original mounting system in the engine bay.

Application in the 2.2 Diesel engine

The 2.2 Diesel engines in the Fiat Ducato Mk3 operate under significant load, especially in delivery and fleet applications. Under such conditions, the turbocharger housing must ensure stable operating conditions at high temperatures and pressures. A properly selected component helps reduce power drops, starting problems under load, and excessive exhaust smoke. Replacing the housing is particularly recommended when the following appear:

• cracks in the hot zone of the turbine,
• signs of leaks at the connections with the manifold or exhaust system,
• deformations affecting the correct seating of the turbocharger core. If you are planning a comprehensive repair or upgrade of the engine area in your Fiat and need other elements from the same group, such as turbine bodies, hot-side elements, or mounting components, check the available parts in the Fiat Turbochargers and parts category.

Technical support and knowledge about used parts

When selecting used components for the turbocharging system, it is worth using reliable sources of knowledge regarding the quality and cost-effectiveness of such solutions. An example could be material describing the use of original components from dismantling in premium class cars – you can find more on this topic in the article Mercedes AMG Line package from recovery – original parts that will transform any C-Class (W204), which shows how to consciously use the secondary market while maintaining high service standards.