Range Rover L322 Axle Height Sensor Level Control Front Right O/S RQH500420

Range Rover L322 Axle Height Sensor Level Control Front Right O/S is a precision component of the Automatic Level Control system, responsible for accurately mapping the vehicle's body position relative to the axle. This component works with the suspension electronics, ensuring stable driving characteristics, proper shock absorber operation, and the driving comfort characteristic of Range Rover.

Specifications and technical data

• SKU: RQH500420
• Mark: Land Rover
• Condition: Used
• OEM Part Number: RQH500420
• Substitutable numbers: RQH500420, 3H423C097AA, LR020627, AH423D083BA
• Location on the vehicle: Front, Right
• Part type: Height Sensor
• Category: Self-Levelling Suspension Parts

Function and role of the suspension height sensor

The suspension height sensor for the front right side is responsible for continuously measuring the position of the control arm relative to the body and transmitting a signal to the level control system controller. Based on this data, the system can:

• maintain the set body level regardless of the vehicle load,
• stabilize the car during acceleration, braking, and cornering,
• adjust the ground clearance to road conditions, if the vehicle is equipped with such a function,
• prevent uneven wear of suspension components and tires.

A functional sensor in this location is crucial for the proper operation of the entire front axle automatic level control system.

Purpose and fitment for Range Rover

The presented sensor is dedicated to Range Rover vehicles with a self-leveling suspension system, where a separate height measurement is provided for each side of the axle. The placement on the vehicle defined as front – right side allows for unambiguous identification of its mounting position and avoids errors when selecting the part.

Thanks to the use of a solution consistent with the factory design concept, the sensor works with the original electrical harness and factory mounting points, which facilitates installation and reduces the risk of system calibration problems.

Benefits of using an original sensor

Choosing a component from the Automatic Level Control group intended for a specific Range Rover model allows you to maintain the consistency of suspension operating parameters with the manufacturer's specifications. The most important advantages include:

• stable and repeatable height signal readings,
• proper cooperation with the factory suspension controller,
• reduction of the risk of system errors and warning lights,
• maintaining driving comfort at the level intended for this model.

This solution is especially recommended when diagnosing symptoms such as uneven body level, suspension error messages, or incorrect reaction to changes in system operating modes.

Characteristics of the used component

The offered sensor is a used part, which allows for economical repair of the suspension system while maintaining compliance with the original vehicle specification. Such components are popular choices for advanced systems where both electrical and mechanical compatibility are important.

Before installation, a standard service procedure is recommended, including checking the harness, connectors, and potential adaptation or calibration of the system in accordance with the vehicle manufacturer's guidelines.

Automatic level control in practice

A functional suspension height sensor on the front right side has a direct impact on:

• maintaining proper wheel geometry in dynamic driving conditions,
• the operation of driver assistance systems that use information about body position,
• passenger comfort when driving over bumps and off-road.

In the event of irregularities in the operation of the automatic level control, replacing the sensor in the specific suspension corner is one of the basic service activities that allow restoring the proper operation of the entire system.

If you are planning a comprehensive repair or upgrade of the suspension area in your Range Rover and need other elements from the same group, such as position sensors, actuators, or control modules, check the available parts in the Automatic Level Control Range Rover category.

To better plan service work on drive systems and suspension, it is worth familiarizing yourself with practical tips regarding the selection of used components – you will find them in the article Gearbox: manual, automatic or DSG – typical faults and a guide to buying a used gearbox, which discusses, among other things, the approach to diagnostics and purchasing components from the secondary market.