Volkswagen Touareg 7L Audi Q7 4L Crankshaft Position Sensor 077905381K

Volkswagen Touareg 7L Audi Q7 4L Crankshaft Position Sensor is an original Audi Group component designed for precise monitoring of crankshaft operation within the engine. Thanks to its factory-engineered design, it ensures proper compatibility with the engine control electronics and stable operating parameters for the powertrain. This is the ideal solution for users seeking a proven component that adheres to factory specifications rather than relying on random aftermarket replacements.

Specifications and technical data

• SKU: 077905381K
• Mark: Audi
• Condition: Used
• OEM Part Number: 077905381K
• Substitutable numbers: 077905381K, 077 905 381 K, 0261210262
• Category: Other Transmission & Drivetrain

Purpose and function of the sensor

The crankshaft position sensor in the VW Touareg 7L and Audi Q7 4L is responsible for transmitting information about the current position and rotational speed of the crankshaft to the engine control unit (ECU). Based on this data, the ECU determines the fuel injection and ignition timing, which results in:

• stable idle operation,
• proper acceleration under load,
• efficient engine starting in both warm and cold conditions,
• maintenance of correct combustion parameters.

A functional sensor in this area is crucial for maintaining proper synchronization between the timing system and the fuel injection and ignition systems.

Benefits of using an original Audi component

Choosing a sensor from the Audi Group means maintaining the factory engine performance characteristics. The component has been designed for specific powertrains used in the VW Touareg 7L and Audi Q7 4L, which translates into:

• precise geometric fit to the mounting socket in the engine block or housing,
• proper compatibility with the wiring harness and factory connector,
• correct signal characteristics for the engine control unit,
• reduced risk of diagnostic errors and limp mode.

For workshops and users, this means fewer warranty returns and faster diagnostics in the event of other faults.

Used condition – a practical approach to repair

The presented sensor is a used component, which allows for a significant reduction in repair costs compared to a new OEM part, while maintaining the factory design. This solution is particularly beneficial for:

• repairs of older VW Touareg 7L and Audi Q7 4L models,
• diagnosing intermittent faults where a quick swap with a reference component is needed,
• projects where a reasonable service budget is a priority.

A used component allows you to maintain compliance with the original specifications while limiting expenditure on parts.

Selection and vehicle compatibility

To correctly select a crankshaft position sensor for a specific version of the VW Touareg 7L or Audi Q7 4L, it is worth verifying the markings in the service documentation or on the old part. This sensor model has dedicated catalog numbers and interchangeable part numbers, which facilitates unambiguous identification in Audi and VW catalogs. This helps reduce the risk of installing an incorrect variant that could generate errors in the engine control unit.

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 sensors, wiring harnesses, or control modules, check the available parts in the Other Audi category.

Technical support and knowledge about the Audi brand

For users interested in a deeper understanding of the design differences within the Audi range, including the impact of engine electronics, sensors, and accessories on performance, material comparing standard versions with sports variants may be useful. In this context, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the specifics of powertrains and associated systems.

If you are considering a wider use of aftermarket components, including sensors and other engine accessories, the guide on the safe selection of used and tuning parts will also be helpful: Buying used car parts – the most common mistakes when choosing parts for tuning. This will make it easier for you to plan a repair or upgrade while maintaining the right balance between costs and reliability.