Range Rover L405 Webasto Auxiliary Pre Heater System 4.4 Diesel CPLA-18K463-AF

Range Rover L405 Webasto Auxiliary Pre Heater System 4.4 Diesel is an original auxiliary fuel-fired heater system designed for the 4.4 diesel engine version. This specialized component works with the Webasto installation, supporting rapid heating of the power unit and cooling system, which improves vehicle comfort in low temperatures. Thanks to its design compliant with the manufacturer's standards, it represents a reliable service solution for demanding Range Rover users.

Specifications and technical data

• SKU: CPLA-18K463-AF
• Mark: Range Rover
• Condition: Used
• OEM Part Number: CPLA-18K463-AF
• Substitutable numbers: CPLA-18K463-AF, CPLA18K463AF, 25 2556 05 0002, 252556050002, LR036333, CPLA-18528-BB, CPLA18528BB
• Fuel type: Diesel
• Category: Other Air Conditioning & Heating

Purpose and function in the vehicle system

The presented auxiliary heater system is dedicated to Range Rover L405 models with a 4.4 Diesel engine, where it is responsible for supporting the heating system and helping the engine reach operating temperature faster. In practice, this translates into more stable operating conditions for the power unit, lower thermal stress during cold starts, and significantly better thermal comfort inside the vehicle.

The system works with the vehicle's factory control installation, which allows for maintaining the original Webasto operating logic and full integration with other components. For the user, this means preserving the factory operating characteristics without the need for modifying wiring harnesses or software.

Benefits of using the original Webasto system

Using the original auxiliary heater system in the Range Rover L405 provides a number of practical benefits:

• maintaining compatibility with the factory Webasto system and vehicle electronics,
• stable operating parameters in low-temperature conditions,
• support for uniform heating of the diesel engine,
• reduction of power unit wear during frequent cold starts.

Thanks to this solution, the vehicle owner receives a technically consistent component that aligns with the manufacturer's design assumptions and allows for maintaining the high standard of operation characteristic of the Range Rover brand.

Technical characteristics and integration with the Diesel system

The system has been designed to work with a compression-ignition engine, which means it is adapted to the specific operation of the Diesel unit – in particular to higher thermal efficiency and different starting conditions than in gasoline engines. The heater's design takes into account the requirements for coolant circulation and temperature management during the warm-up phase.

This component is intended for installation in place of the factory part, which facilitates service work and allows for maintaining the original routing of hoses and mounts. For workshops specializing in the Range Rover brand, this is a service solution with a predictable installation process, without the need to adapt universal components.

Product condition and service application

The offered auxiliary heater system is a used part, which makes it an attractive cost-effective alternative to new components while maintaining the original manufacturer's specifications. This type of solution is particularly beneficial for comprehensive heating system repairs or restoring full functionality of the Webasto system in vehicles operated in demanding climatic conditions.

Due to its design and purpose, the product will work well both as a replacement for a damaged factory heater and as a component used when restoring the completeness of the installation in vehicles that have undergone previous modifications.

Offer expansion and additional materials

If you are planning a comprehensive repair or modernization of the heating and temperature management area in your Range Rover and need other elements from the same group, such as control modules, hoses, or additional installation components, check the available parts in the Other Range Rover category.

For a comparison of the characteristics of advanced sports versions with standard designs and a better understanding of the differences in engine construction and associated systems, it is worth checking out the guide material Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the impact of specific technical solutions on operation and the selection of spare parts.