Audi A4 S4 B9 3.0 TFSI CWGD Engine Oil Level Sensor Control Unit 079907660A

Audi A4 S4 B9 3.0 TFSI CWGD Engine Oil Level Sensor Control Unit is a precision component of the lubrication system, designed for petrol engines, responsible for the accurate measurement of oil quantity in the oil pan. As part of the Oil pans group, it works with the vehicle's electronics, providing the driver with reliable information about the oil status and supporting the safe operation of the power unit.

Specifications and technical data

• SKU: 079907660A
• Mark: Audi
• Condition: Used
• OEM Part Number: 079907660A
• Substitutable numbers: 079907660A, 079 907 660 A, A2C80196200
• Fuel type: Petrol
• Category: Oil Sumps

Purpose and function in the lubrication system

The oil level sensor used in Audi models with the 3.0 TFSI CWGD petrol unit is a key component monitoring the amount of oil in the pan. Based on the signal from the sensor, the engine control unit and the instrument cluster can warn about a low oil level well in advance, which helps reduce the risk of seizure and accelerated wear of components.

This element is integrated into the lubrication system in the oil pan area, allowing the measurement to take place directly where the operating oil is collected. A stable oil level reading is important both during calm driving and under conditions of dynamic acceleration, braking, or cornering.

Benefits of using an original Audi sensor

Using an original oil level sensor dedicated to the Audi A4 / S4 B9 3.0 TFSI ensures:

• consistency with the factory operating characteristics of the engine control unit,
• proper cooperation with the vehicle's electrical system,
• appropriate measurement characteristics for the petrol unit,
• maintenance of factory safety and engine protection parameters.

A properly selected sensor from the Oil pans group minimizes the risk of erroneous oil level messages and unnecessary service visits resulting from the incorrect selection of a replacement part.

Condition, verification, and practical application

The offered item is in used condition, making it an attractive cost-effective solution while maintaining the functionality required for daily operation. This type of sensor is particularly useful for:

• replacing a damaged or unstable sensor,
• repairs within the oil pan area after a collision or impact with an obstacle,
• servicing the power unit when errors related to oil level readings occur.

Before installation, a standard visual inspection of the connector and the sensor body is recommended, as well as installation in accordance with the Audi service procedure to ensure tightness and proper seating in the oil pan.

Support with selection and system expansion

For this model, the oil level sensor works with engine electronics designed for petrol units, so when selecting parts, it is worth paying attention to compatibility with the fuel type and vehicle generation. 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 sensors, mounting elements, or oil pan seals, check the available parts in the Audi Oil pans category.

If you are considering broader vehicle modifications and want to combine service with performance improvements on a reasonable budget, a guide describing a practical approach to using used components may be helpful – you can find it in the article Tuning with used parts – how to gain performance without spending a fortune.