Audi A4 B8 2.0 TFSI CDNC Petrol Engine Fuel Pump Sender Unit 8K0919051AD

Audi A4 B8 2.0 TFSI CDNC Fuel Pump Tank is an original part from the Fuel Pumps and Level Sensors category, designed for gasoline fuel systems. This solution is for users who want to restore correct fuel pressure and stable engine operation while maintaining factory performance characteristics.

Specifications and technical data

• SKU: 8K0919051AD-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0919051AD
• Substitutable numbers: 8K0919051AD, 8K0 919 051 AD, 4F0919133B
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and Function in the Fuel System

The presented fuel pump for Audi A4 B8 2.0 TFSI CDNC is responsible for delivering the correct amount of gasoline from the tank to the injection system at the required operating pressure. A properly functioning pump is crucial for:

• stable engine operation across the full RPM range,
• correct cold and hot starting,
• maintaining the proper mixture composition in gasoline direct injection engines,
• limiting power drops during dynamic acceleration.

The component works with the gasoline fuel system, which is particularly important in TFSI engines, sensitive to fuel pressure fluctuations.

Benefits of Using an Original Fuel Pump

Using an original fuel pump from the same Audi model line allows you to maintain the factory parameters of the fuel system. For the user, this means:

• maintaining engine performance characteristics in line with the manufacturer's specifications,
• better cooperation with control electronics and fuel level sensors,
• reduced risk of engine control unit errors due to incorrect fuel pressure,
• more predictable fuel consumption in daily use.

Thanks to its precise fit for a specific gasoline engine configuration, it minimizes the need for installation modifications and reduces the risk of compatibility issues.

Component Condition and Installation Aspects

The fuel pump is offered as a used part, allowing for economical repair of the fuel system while retaining a component from the original Audi specification. This type of solution is often chosen for daily driven vehicles where a sensible balance between cost and functionality is important.

When selecting and installing, pay attention to:

• compatibility with the engine unit and body version,
• correct seating in the fuel tank,
• tightness of fuel line connections and electrical connectors,
• proper system bleeding after installation.

Installation by a workshop experienced with gasoline engine injection systems is recommended to minimize the risk of leaks and starting problems.

Audi Fuel Pumps and Level Sensors – Selection and Alternatives

If you are looking for other solutions from the Audi Fuel Pumps and Level Sensors category, check out the Audi fuel pumps and level sensors available in our store to select the part best suited to your car's specific engine version and year.

Used Components vs. Electronics and Diagnostics

In modern gasoline fuel systems, not only the pump itself is important, but also its cooperation with sensors and control units. It is worth knowing how to safely use used parts, how to verify their compatibility, and how to interpret potential diagnostic errors. Practical tips in this regard can be found in the guide used car electronics – when it's worth opting for second-hand modules and sensors, which helps in making informed service decisions.