Land Rover Discovery 3 L319 276DT Turbocharger Turbine Actuator LR010188

The Land Rover Discovery 3 L319 276DT Turbocharger Actuator LR010188 is an original part from the Turbochargers and Parts group, designed for precise control of the turbocharger's geometry in the 276DT engine unit. A used actuator ensures a factory fit to the boost system, facilitating diagnostics, replacement, and restoration of proper engine operating parameters in your Discovery 3.

Specifications and technical data

• SKU: LR010188-2
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR010188
• Substitutable numbers: LR010188, 4H2Q6K682CK, 4H2Q-6K682-CK, 59001107066, 4146R013
• Part type: Turbocharger Actuator
• Category: Turbos & Parts

Purpose and Function in the Boost System

The turbocharger actuator in the Land Rover Discovery 3 L319 with the 276DT engine is responsible for controlling the position of the variable geometry vanes or the control valve in the turbocharger. A properly functioning component:

• stabilizes boost pressure across the entire RPM range,
• reduces the risk of overboost and power loss,
• supports the correct operation of the engine control system and ECU protective strategies.

By maintaining original operating characteristics, the actuator allows for the preservation of the vehicle's proper dynamics and predictable throttle response.

Advantages of Using an Original Actuator

Choosing an original turbocharger actuator for the Discovery 3 L319 276DT is crucial for the durability and stability of the boost system. A part with this reference number:

• is structurally matched to the specific 276DT engine version,
• works with the factory engine control unit software without the need for aftermarket adaptations,
• minimizes the risk of diagnostic errors related to incorrect actuator operating characteristics.

By using an original part from the Turbochargers and Parts category, you maintain the integrity of the entire boost system, which translates to stable combustion parameters and reduced mechanical stress on the engine.

Condition, Verification, and Fitment

The offered turbocharger actuator is a used part, sourced from disassembly, allowing for economical repair while maintaining original manufacturer specifications. Before being offered, these types of components are routinely verified for:

• structural compatibility with the specific turbocharger version,
• condition of electrical connectors and mechanical mounting points,
• absence of visible housing damage that could affect installation.

This ensures that the actuator can be used as a direct replacement for the factory-fitted actuator, without the need for mechanical modifications.

Integration with the Engine Control System

The turbocharger actuator in the Discovery 3 L319 276DT works in conjunction with the electronic engine control unit, which adjusts its position based on signals from sensors (boost pressure, air mass, temperature). A functional component:

• ensures smooth transitions between different boost levels,
• reduces turbo lag in typical RPM ranges,
• supports adherence to factory injection and boost maps.

In cases of symptoms such as power loss, limp mode, boost pressure-related errors, or unstable turbo operation, replacing the actuator is one of the fundamental service procedures.

Technical Support and Additional Materials

When planning a repair of the boost system in a Discovery 3, it is advisable to consider the overall condition of the vehicle after any potential collisions or bodywork interventions that might have affected the routing of intake pipes and accessories. Practical tips on selecting used OEM parts and repair procedures can be found in the article Body and Chassis – Post-Collision Repairs Using Dismantled Parts, which discusses best practices when working with salvaged parts.

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and require other parts from the same group, such as turbocharger housings, control valves, or vacuum lines, check the available parts in the Land Rover Turbochargers and Parts category.