Audi Q3 8U Petrol CULB 2.0 TFSI Fuel Pump Right O/S Tank Pump 5N0919087J

Audi Q3 8U Petrol CULB 2.0 TFSI Fuel Pump Right O/S Tank Pump is an original component from the Fuel pumps and level sensors group, designed for the fuel supply system of a petrol engine. It ensures stable fuel delivery from the tank to the injection system, which translates into proper engine operation and trouble-free vehicle starting.

Specifications and technical data

• SKU: 5N0919087J
• Mark: Audi
• Condition: Used
• OEM Part Number: 5N0919087J
• Substitutable numbers: 5N0919087J, 5N0 919 087 J, 1K0919133D, 1K0 919 133 D
• Location on the vehicle: Right
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented pump is dedicated to Audi vehicles with a petrol engine, where it is responsible for maintaining the correct fuel pressure throughout the system. Positioned on the right side of the tank, it works in conjunction with the fuel module and level sensor, stabilizing the engine's fuel supply under various driving conditions – from idling to dynamic acceleration.

Thanks to its precise design and fitment to the specific powertrain configuration, the pump reduces the risk of pressure drops, uneven engine operation, or starting issues. This is particularly important in TFSI units, where the fuel supply system operates under a wide range of loads and requires a sufficiently efficient component.

Construction and installation fitment

The pump is designed as a component mounted inside the fuel tank on the right side of the vehicle, taking into account the tank geometry and fuel line routing. The design provides for compatibility with factory electrical connectors and lines, which facilitates installation and minimizes the risk of leaks.

Proper fitment to the Audi Q3 8U fuel system allows for maintaining the factory engine performance characteristics without the need for system modifications. This solution is beneficial both for maintenance repairs and for restoring full vehicle functionality after a fuel system failure.

Benefits of using an original pump

Using an original fuel pump in an Audi Q3 8U with a petrol engine offers a number of practical benefits:

• maintaining fuel system operating parameters in accordance with the manufacturer's specifications,
• proper cooperation with the fuel level sensor and vehicle electronics,
• stable engine power supply across the entire RPM range,
• reduced risk of starting problems and engine stalling.

For the user, this means more predictable vehicle behavior, better engine refinement, and a reduction in costly secondary faults resulting from improper fuel supply.

Condition, verification, and part selection

The item comes from dismantling and is offered as a used part, which allows for lower repair costs while maintaining the original technical specification. Before installation, it is recommended to perform a standard check of the vehicle's fuel system, including line tightness and the condition of the fuel filter, to fully utilize the potential of the installed component.

When selecting a pump for a specific Audi unit, it is worth paying attention to compatibility with the fuel system and petrol engine configuration. Manufacturer markings and reference numbers are helpful – their compliance with vehicle documentation facilitates trouble-free installation and subsequent operation.

System expansion and related components

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

When working with the fuel system and vehicle electronics, it is also worth paying attention to the selection of used electronic components – practical tips and evaluation criteria can be found in the article Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?. If you want to learn more about parts from dismantling and dispel doubts regarding their quality, the guide Used car parts: Myths and facts you need to know will also be helpful.