Land Rover Discovery 4 L319 Brake Pump ABS Pump Control Unit BH42-2C405-AE

The Land Rover Discovery 4 L319 Brake Pump ABS Controller is a component from the ABS and ESP System category, designed for Land Rover vehicles. It is a complete solution combining the function of a brake pump with an ABS control module, which allows for the restoration of proper anti-lock braking and stability control system operation, ensuring predictable vehicle behavior in various road conditions.

Specifications and technical data

• SKU: BH42-2C405-AE
• Mark: Land Rover
• Condition: Used
• OEM Part Number: BH42-2C405-AE
• Substitutable numbers: BH42-2C405-AE, BH422C405AE, BH42-2C353-AB, BH422C353AB, LR020484
• Category: ABS & Stability Hydraulic Units

Technical Characteristics of the ABS and ESP System

The offered brake pump assembly with ABS module is a factory solution used in the Land Rover Discovery 4 L319. The integrated hydraulic-electronic design is responsible for precise pressure distribution in the brake circuits and cooperation with the stability control system, which translates to stable braking and better vehicle control.

This element is part of the original brake system architecture, thus maintaining compatibility with the vehicle's factory operating parameters, ABS system logic, and ESP algorithms. This helps avoid communication issues within the vehicle network and errors in other system controllers.

Purpose and Compatibility

The ABS brake pump with controller has been designed specifically for the Discovery 4 L319 model, taking into account the vehicle's weight, suspension characteristics, and brake force distribution. Thanks to this, after installation, proper cooperation with wheel speed sensors, the ESP module, and other brake system components is maintained.

The presence of dedicated part numbers and interchangeable numbers allows for precise component identification and selection of the correct variant for a specific vehicle configuration. This is particularly important for vehicles equipped with advanced electronic systems, where controller compatibility with vehicle software is crucial.

Benefits of Using an Original Land Rover Part

Using an original ABS brake pump assembly in the Discovery 4 L319 provides a number of practical benefits:

• Factory Fitment – maintaining the original operating characteristics of the ABS and ESP system, without the need for installation modifications.
• Vehicle Electronics Compatibility – correct communication with controllers and the CAN network, reducing the risk of dashboard error lights.
• Stable Braking Parameters – proper pressure distribution in the system, leading to predictable vehicle behavior during sudden braking.
• Hassle-Free Installation – design intended for factory mounting points and existing hydraulic and electrical installations.

Condition, Verification, and Service Application

The element comes from a used vehicle, making it an attractive cost alternative to a new component, while maintaining the original manufacturer's specifications. This type of component is often chosen in professional workshops specializing in the Land Rover brand as a solution for economical yet technically correct brake system repairs.

Before installation, standard service procedures are recommended: checking the electrical installation, brake lines, and bleeding the system according to the vehicle manufacturer's procedure. A correctly selected and installed ABS pump assembly restores the system's full functionality, eliminating typical fault symptoms such as illuminated ABS/ESP warning lights or uneven brake performance.

Other Land Rover ABS and ESP System Components

If you are also looking for other components from the ABS and ESP System category dedicated to this brand, check out our offer for Land Rover ABS and ESP Systems, where you will find compatible modules, sensors, and other hydraulic components.

Technical Knowledge and Vehicle Project Development

When modernizing or repairing advanced vehicle systems, it is worth expanding your knowledge to include other components, such as the exhaust system. Practical tips on selecting used parts can be found in the article Performance Exhaust Systems: Used Performance Manifolds and Catalytic Converters on the Road, which helps in consciously planning further modifications and vehicle servicing.