Mercedes W447 Diesel ABS Pump Hydraulic Unit A4479007311

The Mercedes W447 Diesel ABS Pump with Hydraulic Block is an original equipment braking system component designed for diesel vehicles. This used unit ensures factory compatibility with the vehicle's electronics and hydraulics, providing a functional service solution for models in the W447 family.

Specifications and technical data

• SKU: A4479007311
• Mark: Mercedes
• Condition: Used
• OEM Part Number: A4479007311
• Substitutable numbers: A4479007311, A 447 900 73 11
• Fuel type: Diesel
• Category: ABS Pumps & Components

Purpose and compatibility

This ABS pump with hydraulic module for the Mercedes W447 is designed to work with the 651950 engine and the braking system of diesel vehicles. Using an original component ensures compatibility with the factory ABS system architecture, stability control systems, and other safety modules.

The element belongs to the category of other ABS parts, which means that it is dedicated to handling pressure in the brake circuits and controlling the operation of the anti-lock braking system in specific configurations of the Mercedes W447.

Technical and functional characteristics

The ABS pump with its hydraulic block plays a key role in precisely metering pressure in the brake circuit during emergency braking and traction loss situations. In conjunction with the vehicle's electronics, it is responsible for:

• stabilization of the vehicle during sudden braking on slippery surfaces,
• pressure control in individual brake circuits,
• cooperation with driver assistance systems such as traction control or stability control systems,
• maintaining the appropriate dynamic response of the braking system in diesel vehicles.

The original design ensures proper operating parameters, in line with the vehicle manufacturer's assumptions, which is important both for braking efficiency and the durability of other system components.

Condition, origin and advantages of using a used part

This Mercedes W447 Diesel ABS pump comes from a vehicle with relatively low mileage, which translates to limited wear on its hydraulic and mechanical components. Used condition means the component has been used but retains full functionality required for continued operation in the vehicle.

Using an original, used unit has several practical benefits:

• factory fit for the braking and electrical systems of the Mercedes W447,
• maintaining the operating parameters specified by the vehicle manufacturer,
• reducing the risk of compatibility problems compared to non-original substitutes,
• economical restoration of the ABS system while maintaining a high level of safety.

Professional installation and service aspects

Due to the importance of the ABS system for driving safety, installation by a qualified service center experienced in working with Mercedes vehicles is recommended. Proper installation includes:

• correct connection of brake lines and electrical connectors,
• bleeding the brake system in accordance with the manufacturer's procedures,
• computer diagnostics to verify communication with other vehicle modules,
• checking the operation of the ABS system under test conditions.

This approach minimizes the risk of errors in the system's operation and allows for the full use of the potential of the offered unit.

Other ABS pumps for Mercedes and technical knowledge

If you're looking for other ABS pumps for Mercedes, check out our dedicated category: ABS pumps for Mercedes . There you'll find a wide selection of original anti-lock brake system components, tailored to various models and engine versions.

When selecting used components for drivetrain and braking systems, it's worth knowing the general principles of assessing the profitability of purchasing second-hand parts. You'll find helpful information in the article: Used Gearbox – When Is It Worth It and What You Need to Remember , which discusses issues such as compatibility, diagnostics, and approaches to component remanufacturing.

If you are interested in the broader context of the use of used modules and sensors in modern vehicles, it is also worth reading the guide: Used car electronics on board – why choose second-hand ECU modules and sensors?, which describes the practical aspects of selecting and installing electronic components based on manufacturer markings and software compatibility.