Audi A5 8T Fuel Pump Level Control Sensor Sender Unit 8K0919051AJ

The Audi A5 8T Electric Fuel Pump is an original part from the Fuel Pumps & Level Sensors category, designed for use in Audi vehicles. It ensures stable fuel supply to the injection system, which translates to proper engine operation, smooth running, and predictable performance in everyday use.

Specifications and technical data

• SKU: 8K0919051AJ
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0919051AJ
• Substitutable numbers: 8K0919051AJ, 8K0 919 051 AJ
• Category: Fuel Pumps & Sending Units

Purpose and Function in the Fuel System

The electric fuel pump in the Audi A5 8T is responsible for pumping fuel from the tank to the fuel rail at the correct operating pressure. A properly functioning component of this type:

• stabilizes fuel delivery under various engine loads,
• reduces the risk of power drops and jerking during acceleration,
• supports smooth engine operation at idle,
• maintains factory fuel consumption and emission parameters.

Thanks to its design conforming to the vehicle manufacturer's solutions, the pump integrates with the factory electrical system and engine control unit without requiring additional modifications.

Construction and Advantages of the Original Audi Solution

The offered Audi electric fuel pump is a component designed for a specific vehicle platform, ensuring dimensional accuracy and proper positioning within the fuel tank module. Using an original design means:

• appropriate performance characteristics tailored to the engines used in the Audi A5 8T,
• compatibility with factory fuel system sensors and controllers,
• maintenance of the fuel flow and venting path as intended by the manufacturer.

A component configured this way facilitates diagnostics and subsequent service, as its operating parameters fall within the ranges known from the manufacturer's documentation.

Condition, Installation, and Service Aspects

The pump comes from the secondary market, allowing for reduced repair costs while maintaining the original Audi construction. Before installation, a standard service procedure is recommended, including checking the electrical system, the condition of fuel lines, and the cleanliness of the tank. Proper installation:

• ensures leak-free connections in the fuel module,
• minimizes the risk of air entering the system,
• allows for quick bleeding and startup after replacement.

Due to the component's importance for vehicle safety and reliability, installation should be entrusted to a workshop experienced in working with Audi fuel systems.

Benefits of Using an Original Audi Fuel Pump

Choosing an electric fuel pump dedicated to the Audi A5 8T is a beneficial solution both technically and operationally. Key advantages include:

• maintaining factory engine performance characteristics and throttle response,
• better predictability of vehicle behavior across the full RPM range,
• easier computer diagnostics due to compliance with OEM parameters,
• reduced risk of starting problems with both warm and cold engines.

This is particularly important in vehicles where performance consistency and stable long-term operation are crucial.

More About the Fuel System and Related Parts

If you want to better understand how the fuel pump works in your car, how to diagnose pressure drops, and how to select parts by OEM numbers, check out the guide: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. You'll find practical tips on operating and repairing fuel supply components.

Looking for other Audi Fuel Pumps & Level Sensors for your car? Browse the Audi Fuel Pumps & Level Sensors available in our store to select components tailored to your car's specific engine version and year.