Audi A6 C6 Coolant Radiator Fan Motor Shroud Left N/S TDI 400W 4F0959455K

Audi A6 C6 Coolant Radiator Fan Shroud Left N/S 3.0 TDI is a component from the Fan and blower motors group, designed to support the cooling system in 3.0 TDI engine versions. It is responsible for stable heat dissipation from the radiator, which translates into a safe operating temperature for the power unit and predictable vehicle behavior under various load conditions.

Specifications and technical data

• SKU: 4F0959455K
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0959455K
• Substitutable numbers: 4F0959455K, 4F0 959 455 K, 0 130 303 330
• Location on the vehicle: Left
• Part type: Fan Motor
• Category: Fan Motors

Purpose and function in the cooling system

The presented fan operates on the left side of the engine bay, working in conjunction with the liquid radiator in the 3.0 TDI diesel system. Its task is to force airflow through the radiator core, especially in situations where natural airflow is insufficient – in traffic jams, while maneuvering, or when towing.

Stable operation of this component reduces the risk of overheating, supports even temperature distribution in the engine block, and helps maintain the power unit's operating parameters within the range specified by the manufacturer.

Construction and technical characteristics

The fan belongs to the Fan and blower motors group, which means an integrated design including an electric drive and a rotor forcing airflow. This type of solution is designed for a specific vehicle platform, ensuring proper clearances from the radiator, body elements, and covers are maintained.

Placement on the left side of the vehicle ensures adequate airflow coverage of critical radiator zones, which is particularly important in diesel engines with higher thermal density. The construction is prepared for integration with factory controls, allowing for smooth switching of the fan on and off in accordance with engine control unit algorithms.

Benefits of using an original component

Using a component designed for a specific Audi model reduces the risk of installation problems, collisions with other components, and improper cooling. Factory fitment translates into the correct position relative to the radiator, and thus into predictable airflow and repeatable operating parameters across the entire engine speed range.

Choosing an element from the same design group as the factory solution also means a lower risk of electrical incompatibility, controller errors, or incorrect fan activation at specific coolant temperatures.

Condition and service application

The offered fan comes from an Audi vehicle and is a used part, making it an attractive cost-effective alternative to new components while maintaining the original design. This type of part is suitable both for standard replacement of a damaged fan and for broader service work within the 3.0 TDI cooling system.

Before installation, it is recommended to perform a standard verification of the electrical system and the condition of the radiator to ensure proper cooperation of all system elements and to avoid secondary faults resulting from other malfunctions.

Support in selection and system expansion

In the case of work involving more than one cooling system element, it is worth considering comprehensive diagnostics of the engine and accessories. When selecting components according to manufacturer markings, procedures based on VIN identification or catalog numbers can be helpful – discussed in more detail in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, where a practical approach to selecting used mechanical components is described.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional fans, blower motors, or fan drive modules, check the available parts in the Audi fan and blower motors category.