Audi A3 8P Fuel Pump Diesel Tank Container Fuel Sender Unit 1K0919050D

The Audi A3 8P Fuel Tank Pump Diesel is a component from the Fuel Pumps and Level Sensors group, designed for the diesel fuel supply system in the Audi A3 8P generation. It ensures stable delivery of diesel fuel from the tank to other system components, supporting the proper operation of the engine and its correct interaction with the vehicle's electronics. Due to its original Audi origin, the part retains the correct geometry, mounting points, and operating characteristics in line with the manufacturer's requirements.

Specifications and technical data

• SKU: 1K0919050D
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0919050D
• Substitutable numbers: 1K0919050D, 1K0 919 050 D, BG
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and Function in the Fuel System

The fuel tank pump in the Audi A3 8P is responsible for transporting diesel fuel from the tank to other parts of the fuel supply system, ensuring adequate pre-pressure and continuous flow. For Diesel engines, this is crucial for the correct operation of injectors, stable cold starts, and smooth engine performance across the full load range.

This component works in conjunction with fuel level sensors and onboard electronics, enabling accurate readings on the instrument cluster and proper management of the fuel supply system by the engine control unit. Using a pump dedicated to a specific Audi model minimizes the risk of electrical and hydraulic compatibility issues.

Benefits of Using an Original Audi Tank Pump

Choosing a fuel tank pump originating from Audi allows you to maintain the original operating parameters of the fuel supply system. Appropriately selected flow characteristics and pre-pressure support:

• reliable starting of the diesel engine in various temperature conditions,
• stable idling and operation under load,
• correct interaction with the injection system and engine control unit,
• accurate fuel level readings on the dashboard.

By retaining the original design, installation is predictable, without the need for modifications to the fuel or electrical system. This solution is particularly beneficial for service repairs where repeatability and compliance with the manufacturer's technical documentation are important.

Product Characteristics and Condition

The offered Audi A3 8P fuel tank pump is a used part, allowing for an economical repair of the fuel supply system while maintaining original specifications. The component is designed for Diesel fuel, meaning its internal construction, materials used, and seals are adapted to the properties of diesel fuel.

During installation, standard service procedures are recommended: checking the condition of electrical connectors, fuel lines, and seals, as well as verifying the cleanliness of the tank. A correctly installed fuel tank pump restores proper engine power supply and eliminates typical wear symptoms, such as difficult starting or intermittent engine operation at low fuel levels.

Technical Support and Part Number Selection

When selecting a fuel tank pump for the Audi A3 8P, it is advisable to rely on the manufacturer's catalog data, such as the OEM part number and available replacement numbers. This helps avoid compatibility issues, especially with different engine versions and production years. If in doubt, it is helpful to compare the body design, fuel connectors, and electrical plugs with the part originally installed in the vehicle.

For users who wish to deepen their knowledge of fuel system diagnostics and operation, a guide describing the function of pumps, injectors, and fuel tanks will be helpful – detailed information can be found in the article “Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair”.

Expanding Repairs within the Audi Fuel System

If you are planning a comprehensive repair or upgrade of the fuel system area in your Audi and need other components from the same group, such as additional pumps, supply modules, or level sensors, check the available parts in the Audi Fuel Pumps and Level Sensors category.