Audi A8 4H D4 Diesel Air Suspension Compressor Pump Unit 4H0616005D

Audi A8 4H D4 Diesel Air Suspension Compressor Pump Unit is a factory component of the Automatic level control system, designed specifically for diesel engine versions. It enables precise maintenance of the set vehicle height, which translates into stable handling, predictable car behavior, and driving comfort under various load conditions.

Specifications and technical data

• SKU: 4H0616005D
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0616005D
• Substitutable numbers: 4H0616005D, 4H0 616 005 D, 4420510011, 4 420 510 011, 001150210, 001 150 210, 4430201871, 443 020 187 1
• Fuel type: Diesel
• Category: Self-Levelling Suspension Parts

Purpose and function in the suspension system

The described compressor acts as the central source of compressed air in the air suspension of the Audi A8 4H D4 generation with a diesel engine. It is responsible for supplying the suspension air springs and quickly correcting the ground clearance depending on the vehicle load and the selected driving mode.

Thanks to its cooperation with the body electronics and height sensors, the Automatic level control system maintains optimal suspension geometry, which improves stability at higher speeds, reduces nose-diving during braking, and ensures even load distribution across the axles.

Benefits of using an original compressor

Using an original compressor unit dedicated to the Audi A8 4H D4 Diesel allows for maintaining the factory performance parameters of the air suspension. In practice, this means:

• proper cooperation with the factory suspension controller,
• appropriately selected pressure and performance characteristics,
• stable maintenance of vehicle height in comfort and dynamic modes,
• reduced risk of system errors and warning messages on the dashboard.

This solution is particularly important in a luxury sedan, where driving comfort and handling precision are crucial for both the driver and passengers.

Condition, fitment, and installation

The compressor is offered as a used component, which allows for an economical repair of the suspension system while maintaining the manufacturer's original specifications. It is intended for installation in Audi A8 4H D4 family vehicles with a diesel engine, equipped with air suspension with an automatic level control function.

Selecting the correct compressor unit for a specific car configuration (engine type, body version, equipment) is crucial for the proper operation of the entire system. It is worth paying attention to compatibility with the suspension control system and the design of the pneumatic installation in a given vehicle.

Operation and diagnostics of the pneumatic system

In the case of symptoms such as slow vehicle lifting, uneven vehicle level after parking, or suspension error messages, the compressor is one of the first elements that require verification. A correctly selected and functional unit allows for restoring full system functionality without the need to interfere with other components, provided they are in good condition.

During replacement, it is also recommended to check the tightness of the pneumatic lines and the condition of the air springs to avoid excessive load on the compressor and accelerated wear. Professional computer diagnostics facilitate confirming the correct cooperation of the compressor with the vehicle's electronics after installation.

If you are planning a comprehensive repair or upgrade of the air suspension area in your Audi and need other elements from the same group, such as air springs, air lines, or control valves, check the available parts in the Automatic level control Audi category.

Technical support and additional knowledge

When selecting components for advanced systems, such as air suspension or modern gearboxes, it is worth using reliable sources of information. If you are also interested in the subject of transmissions and want to better understand the differences in operation and purchasing used drivetrain components, the following article will be helpful: Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox.