Audi A4 B8 A5 8T Q7 4L Engine Oil Level Sensor 3.0 TDI Diesel 03C907660AA

Audi A4 B8 A5 8T Q7 4L Engine Oil Level Sensor 3.0 TDI Diesel is a component from the Engine sensors and switches group, responsible for the precise measurement of oil quantity in the Diesel power unit. A properly functioning oil level sensor helps protect the 3.0 TDI engine from operating with insufficient lubrication, which directly impacts durability and operational safety. This solution is designed for users expecting stable operation of the lubrication system in Audi A4 B8, A5 8T, and Q7 4L models.

Specifications and technical data

• SKU: 03C907660AA
• Mark: Audi
• Condition: Used
• OEM Part Number: 03C907660AA
• Substitutable numbers: 03C907660AA, 03C 907 660 AA
• Fuel type: Diesel
• Part type: Sensor
• Category: Engine Sensors & Switches

Function and role of the oil level sensor in the 3.0 TDI engine

The oil level sensor in the 3.0 TDI Diesel engine is responsible for continuous monitoring of the oil quantity in the oil pan and transmitting information to the engine control unit and the instrument cluster. This allows the driver to receive clear notifications about potential oil shortages, enabling a response before mechanical damage occurs. In diesel units such as the 3.0 TDI, stable lubrication is particularly important due to high thermal and mechanical loads, which is why a functional sensor is an important element of preventive maintenance.

Purpose and compatibility in the Audi range

The presented sensor has been designed for use in Audi vehicles equipped with a 3.0 TDI Diesel engine, including the popular A4 B8, A5 8T, and Q7 4L models. It belongs to the Engine sensors and switches group, meaning it works directly with the engine control electronics. Before installation, it is worth verifying compatibility with the specific engine version and vehicle year to ensure proper geometric and electrical fitment to the existing wiring harness and control unit.

Technical characteristics and Diesel fuel system

Diesel engines, especially in the 3.0 TDI configuration, require stable lubrication system operating conditions, and the oil level sensor is one of the components monitoring these parameters. Cooperation with the electronic system allows for:

• real-time oil level monitoring,
• early warning of low oil levels,
• supporting the engine control unit's protection strategies.

Thanks to this, the sensor fits into the modern architecture of Diesel systems, where electronics and mechanics form a cohesive system protecting the power unit from improper operation.

Product condition and service application

The offered component is in Used condition, meaning it comes from disassembly and can be an economical solution for lubrication system repairs in Audi vehicles with a 3.0 TDI Diesel engine. This type of part is suitable both for the typical replacement of a damaged sensor and for broader service work related to engine electronics diagnostics. Choosing a used sensor allows for cost reduction while maintaining functionality consistent with the manufacturer's specifications.

Support in selection and development of diesel units

When planning work on diesel units, it is worth expanding your knowledge about common faults and how to fix them. A good point of reference is an article describing the characteristics of a modern V6 Diesel engine, which discusses the impact of accessories on operating culture and performance – details can be found in the material The second life of the Mercedes OM642 engine – how injectors and a turbocharger restore the power of the 3.0 V6 CDI. This allows for a better understanding of how important the efficiency of all components working with the power unit, including sensors, is.

Related components from the Audi engine sensors group

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as temperature sensors, pressure switches, or additional position sensors, check the available parts in the Audi engine sensors and switches category.