Audi TT 8J Fuel Pump Tank Sender Pump Unit Petrol 1K0919051CL 1K0919051BH

Audi TT 8J Fuel Pump Tank Sender Pump Unit is a component from the Fuel pumps and level sensors category, designed for the petrol engine fuel system in Audi models. It is responsible for the stable delivery of fuel from the tank to the injection system, which translates into smooth engine operation and correct throttle response. The used OEM component is a solution for users looking for a proven part at a reasonable price, while maintaining the factory performance characteristics of the fuel system.

Specifications and technical data

• SKU: 1K0919051CL
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0919051CL
• Substitutable numbers: 1K0919051CL, 1K0 919 051 CL, 1K0919051BH, 1K0 919 051 BH
• Fuel type: Petrol
• Rim width: 8
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The fuel tank pump in the Audi TT 8J is responsible for generating the appropriate operating pressure and continuously supplying the fuel rail under varying engine load conditions. In a petrol system, its proper operation has a direct impact on:

• easy cold and warm engine starts,
• stable idle speed,
• smooth acceleration without jerking,
• maintaining the correct fuel dosage across the entire rev range.

Thanks to a design consistent with Audi's factory standards, the pump works with the original electrical installation and engine control system, maintaining the parameters specified by the manufacturer.

Compatibility and technical parameters

The presented pump belongs to the Fuel pumps and level sensors category, which means it is integrated with the fuel supply system and works with the fuel level sensor in the tank. The component is intended for petrol engines and therefore should not be used in diesel units. Information regarding rim width in the product data is technical in nature and does not affect the installation of the pump, but is important when completing a vehicle configuration based on full specifications.

OEM designations and interchangeable numbers assigned to this pump allow for precise identification of the part in the manufacturer's catalogs and facilitate selection by VIN or factory number, which minimizes the risk of purchasing an incompatible element.

Characteristics of the used component

The pump is offered as a used original component, which in practice means maintaining the factory geometry, fitment, and operating parameters intended for the Audi TT 8J. Compared to cheap replacements, the OEM part usually works better with the factory engine controller, and its fuel flow characteristics are consistent with the system's design assumptions.

Choosing a used fuel tank pump is particularly beneficial for:

• maintenance repairs after a fuel system failure,
• restoring vehicle performance after a long period of inactivity,
• building or restoring a vehicle while maintaining original components.

Benefits of using an original fuel tank pump

Using an original fuel tank pump in the Audi TT 8J allows you to maintain the integrity of the entire fuel system. The main advantages of this solution include:

• factory fitment to the fuel tank and pump basket,
• proper cooperation with the fuel level sensor and the gauge on the instrument cluster,
• maintaining flow and pressure parameters consistent with the requirements of the petrol unit,
• reducing the risk of starting problems and uneven engine operation resulting from insufficient fuel supply.

For users who want to better understand how the entire fuel system works, part selection by number, and regeneration principles, the following guide will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Expansion and modernization of the Audi fuel system

If you are planning a comprehensive repair or modernization of the fuel system area in your Audi and need other elements from the same group, such as pre-pumps, supply modules, or fuel level sensors, check out the available parts in the Audi fuel pumps and level sensors category.