Range Rover Evoque L551 Expansion Overflow Coolant Tank Level Sensor PCJ500030

Range Rover Evoque L551 Expansion Overflow Coolant Tank Level Sensor is a precision cooling system component responsible for reliable coolant level readings in the expansion tank. As part of the Expansion tanks group, it ensures stable operation with the factory engine control system, supporting safe vehicle operation. This used OEM component is a sensible choice for professional repairs or servicing of the Range Rover Evoque L551.

Specifications and technical data

• SKU: PCJ500030
• Mark: Range Rover
• Condition: Used
• OEM Part Number: PCJ500030
• Substitutable numbers: PCJ500030, 7H22-10D968-AA
• Category: Expansion & Overflow Tanks

Purpose and function in the cooling system

The coolant level sensor in the Range Rover Evoque L551 is responsible for monitoring the amount of fluid in the expansion tank and transmitting a signal to the vehicle's electronics. A properly functioning component allows for early detection of fluid loss, which reduces the risk of engine overheating and associated costly repairs.

Using an original solution from the Expansion tanks group guarantees a proper fit for the cooling system and compatibility with the factory control software, without the need for wiring modifications or parameter adjustments.

Benefits of using an original Range Rover sensor

Choosing a component dedicated to the Range Rover Evoque L551 translates into:

• maintaining proper cooperation with the driver warning system for low coolant levels,
• a stable measurement signal, reducing the risk of false messages on the dashboard,
• secure seating in the expansion tank thanks to factory mounting dimensions,
• consistency with other cooling system components in the vehicle.

For workshops and individual users, this means easier diagnostics, predictable system behavior, and the ability to maintain operating parameters in accordance with the manufacturer's specifications.

Characteristics of the used OEM component

The offered sensor is an original Range Rover brand component sourced from dismantling, which allows for maintaining factory specifications while optimizing repair costs. A used element of this class is particularly attractive for vehicles a few years old, where the priority is combining quality with service economy.

Thanks to the OEM design, the sensor works with factory electrical harnesses and controllers, and the installation process is limited to standard service procedures without the need for adaptation or modifications.

Practical service application

Replacing the coolant level sensor is recommended in situations where incorrect low coolant level messages appear despite the correct amount of fluid, or when the system does not react to actual fluid loss. In such cases, installing an original element dedicated to the Evoque L551 restores the proper functioning of the monitoring system.

This solution will work well both in professional service centers specializing in the Range Rover brand and in independent workshops that want to provide customers with compliance with factory standards without resorting to replacements with uncertain parameters.

Expanding knowledge and selecting parts

When working with OEM components, including cooling system elements, it is worth knowing good practices for selecting parts by manufacturer markings and reference numbers. The issue of the cost-effectiveness of using secondary market components is discussed in more detail in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which organizes the most important issues related to the selection and operation of used subassemblies.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Range Rover and need other elements from the same group, such as tanks, caps, or additional sensors, check the available parts in the category Range Rover Expansion tanks.