Audi A5 8T 2.0 TDI EGR Tube Line Pipe Exhaust Gas Pressure Sensor 04L131552BK

The Audi A5 8T 2.0 TDI EGR Pipe Exhaust Pressure Sensor is a specialized exhaust system component designed for diesel engines, combining the function of an exhaust conduit with a mounting point for a pressure sensor. Thanks to its factory-matched geometry for the 2.0 TDI unit in the Audi A5 8T, it ensures stable operating conditions for the EGR exhaust gas recirculation system. This solution allows for precise measurement of exhaust parameters and maintains proper diesel engine operation.

Specifications and technical data

• SKU: 04L131552BK
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L131552BK
• Substitutable numbers: 04L131552BK, 04L 131 552 BK
• Fuel type: Diesel
• Category: Oxygen Sensors

Purpose and Function in the Exhaust System

The described EGR pipe with a port for the exhaust pressure sensor is a component that works with the exhaust gas recirculation system in a diesel engine. It is responsible for:

• stable exhaust gas flow between EGR system components,
• providing a suitable mounting location for the exhaust pressure sensor,
• maintaining correct measurement conditions for the engine control unit,
• reducing the risk of leaks in the measurement area.

By maintaining the original pipe geometry, the engine control unit receives reliable exhaust pressure data, which translates into correct fuel dosing and stable engine operation.

Benefits of Using an Original Audi Part

For components such as an EGR pipe with a port for a pressure sensor, maintaining compliance with the factory design is crucial. Using an original Audi component from the Lambda Sensors and O2 Sensors category allows for:

• reliable cooperation with the factory engine control unit in the 2.0 TDI unit,
• correct positioning of the exhaust pressure sensor relative to gas flow,
• reduced risk of diagnostic errors related to incorrect parameter readings,
• better measurement repeatability compared to random aftermarket replacements.

This is particularly important in modern diesel engines where the exhaust and exhaust gas recirculation systems are tightly integrated with the control electronics.

Product Characteristics and Condition

This part comes from the Audi offering and is designed to work with Diesel fuel type engines. As a used part, it retains its factory construction and shape, making it easy to install in place of an old, worn, or damaged pipe. This type of component is particularly useful for:

• addressing leaks in the EGR pipe and exhaust pressure sensor area,
• resolving issues with exhaust pressure-related errors in OBD diagnostics,
• restoring proper exhaust gas recirculation system operation after mechanical failure.

Choosing a used OEM part is often a sensible compromise between repair cost and maintaining high quality and structural fit.

Support with Selection and Electronic Compatibility

Due to its connection to the exhaust pressure measurement system and the engine control electronics, selecting the correct EGR pipe with a sensor port should be based on the OEM part number and vehicle data. If you have doubts about compatibility, installation, or interpreting markings, it is worth consulting the practical advice provided in the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?. The article discusses, among other things, selection by OEM numbers, hardware and software compatibility issues, and common problems encountered when replacing sensors.

Expanding Repairs within the Audi Exhaust Measurement System

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 oxygen sensors, exhaust pressure sensors, or measurement components in the exhaust system, check the available parts in the Audi Lambda Sensors and O2 Sensors category.