Range Rover Evoque L551 ABS Brake Pump Expansion Tank M8D2-2D522-AG

Range Rover Evoque L551 ABS Brake Pump Expansion Tank is an original component from the ABS and ESP system group, designed for Range Rover vehicles. It is a solution for users who expect stable brake system performance, maintenance of factory parameters, and a precise fit for the specific Evoque L551 generation.

Specifications and technical data

• SKU: RHD-M8D2-2D522-AG
• Mark: Range Rover
• Condition: Used
• OEM Part Number: M8D2-2D522-AG
• Substitutable numbers: M8D2-2D522-AG, M8D22D522AG, LR155105, M8D22C353AG
• Part type: ABS/Stability Control Hydraulic Unit
• Category: ABS & Stability Hydraulic Units

Purpose and function in the vehicle

The presented Range Rover Evoque L551 ABS Brake Pump Expansion Tank is responsible for precise control of pressure in the brake circuits and cooperation with the electronic stability control system. The integrated reservoir ensures an adequate supply of brake fluid, which facilitates maintaining the correct level of the working medium and reduces the risk of air entering the system.

The component is dedicated to the Evoque L551 platform, thanks to which it maintains the factory characteristics of the ABS and ESP system without the need to adapt universal solutions. This is particularly important for vehicles equipped with advanced electronics monitoring traction and stability.

Benefits of using an original Range Rover ABS pump

Using an original component from the same model group translates into:

• maintaining the factory logic of ABS and ESP systems,
• proper cooperation with the existing hydraulic and electrical installation,
• reducing the risk of controller errors resulting from parameter mismatch,
• easier computer diagnostics after installation.

A used component from original Range Rover production allows in many cases to significantly reduce repair costs compared to new parts, while maintaining compatibility with the vehicle's factory software.

Condition, verification, and selection of parts

The ABS pump with reservoir comes from dismantling and is offered as a used part, which is a reasonable compromise between cost and functionality. Before installation, a standard service procedure is recommended: checking the tightness of connections, verifying the condition of threads, and bleeding the brake system in accordance with the vehicle manufacturer's procedure.

To select the correct element for a specific equipment version, it is worth using the OEM numbers and interchangeable numbers visible in the technical specification. This allows avoiding compatibility problems, especially in the case of different engine and model year variants within the same Evoque generation.

If you want to better understand how to safely use used brake system components and optimize service costs, check out the guide: Brake calipers under the microscope: how to reduce brake system repair costs by choosing proven recycled parts.

Safety, installation, and operation

The ABS pump integrated with the expansion tank is a key element of the vehicle's active safety. A properly functioning module ensures stable pressure in the system, shortens the braking distance in emergency situations, and supports traction control systems during dynamic driving or on slippery surfaces.

During installation, it is recommended to:

• use new seals and washers at hydraulic connection points,
• thoroughly clean sockets and lines from contaminants,
• use brake fluid with the specification recommended by the vehicle manufacturer,
• perform a road test after bleeding the system and clearing any errors in the controller.

For users who regularly use the secondary market, a broader guide on selecting used components may also be helpful: how to professionally select used car parts, avoiding bad purchases.

Expansion and other elements of the Range Rover ABS and ESP system

If you are planning a comprehensive repair or upgrade of the braking zone in your Range Rover and need other elements from the same group, such as control modules, wheel speed sensors, or pressure lines, check the available parts in the Range Rover ABS and ESP system category.