Range Rover Autobiography L405 Throttle Body Air Intake BC3Q9F991DA LR020694

The Range Rover Autobiography L405 Intake Throttle Valve BC3Q9F991DA LR020694 is an intake system component from the throttle bodies category, designed for precise control of the amount of air drawn into the engine. A correctly selected throttle valve supports stable engine operation, proper throttle response, and correct interaction with the control electronics in the Range Rover Autobiography L405.

Specifications and technical data

• SKU: LR020694
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR020694
• Substitutable numbers: BC3Q-9F991-DA, BC3Q9F991DA, LR020694
• Category: Throttle Bodies

Purpose and Function of the Throttle Valve

The offered intake throttle valve is responsible for regulating the airflow entering the intake manifold, which directly impacts the fuel-air mixture and engine running smoothness. A properly functioning throttle body enables:

• stable idle speed and reduced RPM fluctuations,
• smooth response to accelerator pedal input, without delays or jerks,
• proper cooperation with the engine control system and intake sensors,
• maintenance of correct combustion parameters, contributing to lower fuel consumption.

Technical Characteristics and Fitment

This throttle body belongs to the Throttle Bodies category, meaning it is structurally adapted for operation in the intake system, in close proximity to the manifold and intake pipes. The component is designed for integration with the factory Range Rover control system, ensuring:

• compatibility with the original engine control unit software,
• appropriate mounting points for factory brackets and hoses,
• adaptation to the standard electrical connectors used in the specific model.

An additional advantage is the inclusion of the OEM part number and interchangeable numbers in the specifications, which facilitates verification of compatibility by manufacturer identifiers and allows for precise selection of the component for a specific vehicle configuration.

Benefits of Using an Original Range Rover Throttle Body

Choosing a throttle body dedicated to the Range Rover Autobiography L405 allows for engine operating parameters to be maintained in line with the manufacturer's specifications. Key benefits include:

• factory fitment to the intake system – no need for modifications to mounts or electrical installation,
• consistency with other control system components – sensors, mass airflow sensor, engine control unit,
• maintenance of predictable vehicle behavior during acceleration, deceleration, and under load,
• easier diagnostics – throttle body operating parameters are recognized by the factory diagnostic software.

Component Condition and Service Application

The offered throttle valve comes from the used Range Rover parts segment, making it an attractive cost-effective alternative to new OEM components. This type of part is particularly useful in situations where:

• the existing throttle body exhibits control errors or unstable operation,
• there are problems with maintaining idle speed,
• the component needs replacement as part of intake system repairs.

Thanks to its original construction, installation is similar to the factory process, reducing service time and the risk of fitment issues.

Selection, Diagnostics, and Auxiliary Materials

When selecting a throttle body for the Range Rover Autobiography L405, it is advisable to use the OEM part number and available reference numbers found in the technical specifications section. This helps avoid errors and ensures compatibility with the specific engine version and vehicle year.

If you wish to deepen your knowledge on the operation of fuel and intake system components, as well as diagnostic and repair methods, the following guide may be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. You will find practical information there that will help you assess the condition of components working with the throttle body.

If you are looking for other Range Rover throttle bodies compatible with different engine versions and models of this brand, check out our dedicated category: Range Rover Throttle Bodies. This will allow you to easily compare available variants and choose the right component for your car.