Audi A4 B8 A7 4G8 A8 D4 Q7 4L VW Touareg Oil Pressure Switch 3.0 TDI 059919081G

Audi A4 B8 A7 4G8 A8 D4 Q7 4L VW Touareg Oil Sensor 3.0 TDI is an original part from the Engine Sensors & Switches group, designed for precise monitoring of oil level and condition in 3.0 TDI units. It ensures stable parameter readings, contributing to safe engine operation and proper functioning of dashboard warning systems.

Specifications and technical data

• SKU: 059919081G
• Mark: Audi
• Condition: Used
• OEM Part Number: 059919081G
• Substitutable numbers: 059919081G, 059 919 081 G
• Category: Engine Sensors & Switches

Purpose and Function of the 3.0 TDI Oil Sensor

The oil sensor used in the Audi A4 B8, A7 4G8, A8 D4, Q7 4L, and VW Touareg models is responsible for continuous monitoring of oil level and temperature in the 3.0 TDI engine. Information from the sensor is transmitted to the engine control unit and the instrument cluster, providing the driver with clear notifications about any lubrication irregularities.

Using the correct sensor in a 3.0 TDI engine is crucial for:

• maintaining proper oil pressure and level in the powertrain,
• early detection of oil level drops,
• protecting mechanical components from seizure,
• stable operation of the vehicle's diagnostic systems.

Benefits of Using an Original Audi Sensor

The original Audi oil sensor is specifically designed for the 3.0 TDI units used in the mentioned models, ensuring correct measurement characteristics and electrical compatibility. This allows the engine control unit to receive reliable data, and the dashboard readings remain consistent with the actual lubrication system status.

The key advantages of this solution include:

• dedicated fitment for specific generations of 3.0 TDI engines in Audi and VW Touareg,
• proper cooperation with the factory control unit software,
• stable operating parameters across a wide range of operating temperatures,
• preservation of factory warning and service functions.

Integration with the Engine Control System

The oil sensor belongs to the Engine Sensors & Switches group, which directly interfaces with the powertrain control electronics. A properly functioning component of this type influences:

• correct display of oil-related service messages,
• safe emergency strategies in case of critically low oil levels,
• computer diagnostics (parameter reading in service testers),
• maintaining compliance with factory engine operating maps.

As a result, the sensor is a vital element of the entire system protecting the 3.0 TDI unit from operating under unfavorable lubrication conditions.

Application in Audi and VW Touareg Models

The presented oil sensor is intended for 3.0 TDI units installed in Audi A4 B8, A7 4G8, A8 D4, Q7 4L, and VW Touareg. Using an original solution helps maintain the structural integrity of the lubrication system and avoids issues with incorrect oil level readings that can occur with aftermarket parts of inappropriate specifications.

This component is suitable for both standard replacement of a worn-out sensor and for more extensive service work related to the 3.0 TDI engine, such as oil pan replacement, seal changes, or lubrication system upgrades.

Product Condition and Installation Aspects

The offered sensor is from the Audi brand and is an OEM (Original Equipment Manufacturer) part, meaning it has a factory fit for the indicated models. The product is in Used condition, allowing for an economical replacement while maintaining the original design specifications.

Before installation, a standard inspection of the oil pan receptacle, seal, and electrical harness is recommended to ensure tightness and a correct electrical connection. Proper installation minimizes the risk of incorrect readings and oil leaks.

Service Extension and Technical Knowledge

When working on 3.0 V6 diesel units, it is beneficial to consider the entire powertrain – from lubrication to turbocharging and injection. For a deeper understanding of the characteristics of similar engines, their common faults, and methods for restoring full functionality, the following article may be helpful: Second Life for the Mercedes OM642 Engine – How Injectors and Turbocharger Restore Power to the 3.0 V6 CDI.

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