Audi A5 8T 3.0TDI CAPA Quattro 240HP Engine ECU Kit Ignition 8K0907401 + Key

The Audi A5 8T 3.0TDI CAPA Quattro 240HP ECU Engine Computer Kit is a complete, factory-original engine control system designed for quattro all-wheel-drive versions with a diesel engine. A properly selected ECU kit ensures consistent operation of the engine, drivetrain, and accessories, which translates to stable performance and predictable vehicle behavior. This is a solution for users who want to restore the correct functionality of the engine electronics while preserving the character of the Audi A5 8T models.

Specifications and technical data

• SKU: 8K0907401-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0907401
• Substitutable numbers: 8K0907401, 8K0 907 401
• Fuel type: Diesel
• Gearbox type: Manual
• Category: ECUs & Computer Modules

ECU Kit Purpose and Characteristics

The presented kit belongs to the Electronic Control Modules and Controllers category and is dedicated to Audi A5 8T vehicles with a 3.0 TDI CAPA engine producing 240 HP and quattro all-wheel drive. It is designed to work with a manual transmission and the diesel engine's injection system, providing appropriate control maps, fuel quantity control, boost pressure, and engine operating parameters.

A properly selected engine computer in this model is responsible for, among other things:

• coordinating injection in the diesel engine,
• managing torque in conjunction with the quattro drivetrain,
• controlling operating parameters under various load conditions,
• communicating with other vehicle modules within the onboard network.

Benefits of Using an Original Audi Controller

Using an original ECU kit in the Audi A5 8T allows for the preservation of the factory operating characteristics of the 3.0 TDI CAPA engine. This provides the driver with:

• stable engine operation at various speeds and loads,
• correct cooperation with the manual transmission, including response to gear changes,
• consistent operation of support systems that utilize ECU data,
• diagnostic capabilities compliant with factory Audi service procedures.

For users who want to maintain the original driving character, such a kit is an essential component for restoring parameters close to factory settings.

Diesel Engine, Quattro Drive, and Manual Transmission – A Coherent Control System

In the A5 8T model with the 3.0 TDI CAPA diesel engine, the engine computer must simultaneously handle the specifics of the diesel unit, the all-wheel-drive system, and the manual transmission. The ECU kit is configured to:

• provide the correct fuel quantity and boost pressure for the diesel engine,
• account for the loads resulting from the quattro drivetrain operation,
• respond to gear changes in the manual transmission without jerks or delays.

This combination allows for the preservation of drivetrain operational consistency, which is particularly important in high-power and high-torque vehicles, typical of the 3.0 TDI 240 HP versions.

Condition, Origin, and Workshop Application

The offered ECU kit comes from an Audi vehicle and is a used part, allowing for economical restoration of vehicle functionality while maintaining original specifications. This type of controller is particularly useful in situations where the existing computer has suffered electronic damage, has been flooded, or there are communication problems within the vehicle network.

In a professional workshop, such a kit can be used for:

• restoring factory engine operating parameters after an ECU failure,
• resolving starting issues or unstable engine operation,
• restoring correct engine cooperation with the quattro drivetrain and manual transmission.

Technical Support and Knowledge of Original Audi Parts

For users who want to better understand how original electronic modules influence a car's character, we have prepared material describing the role of factory components in preserving the brand's identity. You can find more on this topic in the article: how used original Audi parts help maintain the brand's character and DNA.

If you are also looking for other parts from the original Audi modules and equipment category, it is worth familiarizing yourself with our expert materials, which help select the appropriate components for a specific engine and drivetrain configuration.