Land Rover Discovery Sport L550 Turbocharger Housing 49335-138

Land Rover Discovery Sport L550 Turbocharger Housing is a component from the Turbochargers and parts group, designed for use in the engine induction system of Land Rover vehicles. This used, original housing provides a solid foundation for professional turbocharger remanufacturing or replacing a damaged housing part, ensuring proper exhaust gas flow and stable mounting of rotor components.

Specifications and technical data

• SKU: LR083483-4
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR083483
• Substitutable numbers: LR083483, G4D3-6K682-AG, G4D36K682AG, 105123473, G4D36K682AK, G4D3-6K682-AK, 49335-138, 49335138
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and function in the induction system

The turbocharger housing in the Discovery Sport L550 model is responsible for the precise guidance of the exhaust gas stream and the correct seating of rotating elements. The proper geometry of the channels and mounting surfaces is crucial for stable turbine operation, maintaining the correct boost pressure, and reducing energy losses in the exhaust system. A well-chosen housing allows for maintaining the factory performance parameters of the power unit, minimizes the risk of leaks, and facilitates the correct alignment of the turbocharger relative to the manifold and other engine auxiliary components.

Advantages of using an original Land Rover housing

Using an original Land Rover component in the induction system translates into:

• factory fitment to the mounting points and connection ports in the Discovery Sport L550,
• preservation of the correct exhaust flow geometry within the turbocharger,
• reduction of the risk of assembly issues compared to random aftermarket replacements,
• the possibility of using the housing as a base for remanufacturing a complete turbocharger. Thanks to this, the housing is suitable for both routine repairs and more advanced induction system rebuilds, where dimensional repeatability and compliance with factory specifications are essential.

Condition, verification, and service application

The item is offered as a used part, which allows for a significant reduction in repair costs compared to purchasing a new turbocharger, while maintaining the original design. This type of component is particularly useful for workshops specializing in turbocharger remanufacturing and for users seeking an economical yet technically sound solution. Before installation, standard service procedures are recommended: thorough cleaning, inspection of mating surfaces, threads, and mounting points, as well as verification of compatibility with your turbocharger based on the OEM number or interchangeable numbers available in the technical specifications.

Integration with the engine system and assembly aspects

The turbocharger housing in the Discovery Sport L550 works in conjunction with the exhaust manifold, lubrication system, and intake and exhaust piping. Proper alignment of these elements affects:

• the tightness of connections in the exhaust and intake systems,
• the stability of the turbine rotor at high RPMs,
• the maintenance of proper operating temperatures in the hot zone of the turbocharger. A properly selected housing facilitates installation in the engine bay, reduces stress on connections, and promotes long-term, consistent operation of the induction system.

Part selection, numbers, and cost-effectiveness

When selecting a turbocharger housing, it is crucial to compare the OEM part number and available interchangeable numbers with the vehicle and turbocharger data. This information can be found in the technical specifications section and allows for verifying the component's compatibility with a specific engine configuration. If you are considering whether an original part, a replacement, or a used part is the better choice for your situation, an article comparing the costs and quality of different solutions may be helpful – check the material: Original, replacement, or used car parts – what to choose?. If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other elements from the same group, such as turbocharger cores, hot-side elements, or mounting components, check the available parts in the Land Rover Turbochargers and parts category.