Land Rover Range Rover L405 Turbocharger Part Housing 4.4 SDV8 Diesel LR044563

Land Rover Range Rover L405 Turbocharger Part Housing 4.4 SDV8 Diesel is an original component from the Turbochargers and parts category, designed for the diesel engine forced induction system. This used turbocharger housing allows for a cost-effective yet technically sound repair of the forced induction system in the advanced 4.4 SDV8 unit, while maintaining factory geometry and fitment.

Specifications and technical data

• SKU: LR044563-2
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR044563
• Substitutable numbers: AH4Q6K682FE, AH4Q-6K682-FE, LR044563, AH4Q-6K682-FD, AH4Q6K682FD
• Fuel type: Diesel
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and function in the forced induction system

The turbo housing in the 4.4 SDV8 diesel engine is responsible for the stable guidance of exhaust gas flow and boost air, as well as the proper seating of the turbocharger core. In a Range Rover L405 vehicle, this has a direct impact on:

• maintaining the correct boost pressure across the entire rev range,
• proper operation of the boost control system,
• efficient utilization of the diesel engine's torque.

By maintaining the factory design of the housing, precise mating with other turbocharger components, as well as the exhaust and intake systems, is possible.

Benefits of using an original turbo housing

Using an original turbocharger housing in a Range Rover L405 with a diesel engine provides a number of practical advantages in daily operation:

• Factory fitment – preserved geometry of mounts and flow channels facilitates installation and minimizes the risk of leaks.
• Stable turbocharger operation – appropriate rigidity and shape of the housing support even loading of the turbo core.
• Possibility to use existing auxiliary components, such as lines, mounts, or heat shields.
• A cost-effective solution compared to purchasing a complete new turbocharger.

This used component allows for restoring the efficiency of the forced induction system while maintaining a reasonable service budget, which is particularly important in the case of advanced V8 diesel units.

Installation characteristics and application

The turbocharger housing designed for the 4.4 SDV8 Diesel unit has been engineered to operate under demanding thermal and pressure conditions. In practice, this means:

• resistance to high exhaust temperatures typical for diesel engines,
• maintenance of dimensional stability under long-term load,
• compatibility with the factory exhaust and intake system of the Range Rover L405.

Before installation, it is recommended to perform a standard verification of mating surfaces, threads, and mounting points to ensure tightness and correct positioning relative to the turbocharger core and manifolds.

Why choose a used original turbo housing

When repairing a forced induction system in a diesel engine, a dilemma often arises: remanufacturing or purchasing a used component. Many workshops opt for original parts from disassembly because they retain the factory design and operating parameters. If you want to better understand the differences between these solutions, check out the article Remanufactured or used original – which part to choose for repairs?, which discusses the practical aspects of such a choice.

Land Rover Turbochargers and parts – expansion and service of the forced induction system

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 turbine housings, hot side elements, or cold side components, check out the available parts in the Land Rover Turbochargers and parts category.