Volkswagen Passat B6 Fuel Level Sensor Tank Sender Unit Pump 3C0919673B

The Volkswagen Passat B6 Fuel Level Sensor Pump is a component from the Fuel Pumps and Level Sensors group, designed for precise control of fuel quantity in the tank and for supplying the fuel system. A correctly selected component of this type ensures stable engine operation, reliable fuel level readings on the instrument cluster, and trouble-free operation of the Volkswagen vehicle.

Specifications and technical data

• SKU: 3C0919673B
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C0919673B
• Substitutable numbers: 3C0919673B, 3C0 919 673 B
• Part type: Fuel Sending Unit
• Category: Fuel Pumps & Sending Units

Function and Role in the Fuel System

The fuel level sensor integrated with the pump is responsible for two key tasks: supplying fuel to the system and transmitting information about its quantity to the vehicle's electronics. In practice, this means:

• stable supply pressure for the powertrain,
• smooth starting and even engine operation under various load conditions,
• accurate fuel level reading on the dashboard,
• proper cooperation with onboard systems responsible for range and fuel consumption.

By maintaining the original design concept, this component allows the fuel system's operating parameters to be kept at the level intended by the vehicle manufacturer.

Compatibility and OEM Identification

The offered component comes from a line of parts designed for Volkswagen vehicles, which facilitates matching it to a specific version of the Passat B6. Identification by OEM number and available replacement numbers allows verification of compliance with the car's factory configuration and avoidance of installation problems.

When selecting, it is recommended to compare the markings with the existing component or vehicle documentation, and also to consider the body version and the installed engine. This approach minimizes the risk of incorrect fitting and ensures proper cooperation with the electrical system and the engine control unit.

Benefits of Using an Original Solution

Using a component from the Fuel Pumps and Level Sensors group dedicated to the Passat B6 translates into a number of practical advantages:

• maintaining the factory characteristics of the fuel system's operation,
• correct operation of the fuel gauge and onboard functions related to range,
• consistency with the electrical system and mounting points in the fuel tank,
• reducing the risk of control unit errors resulting from an incorrect sensor signal.

A used component of this type can be a rational choice for vehicle servicing, especially if you want to maintain the original system design and control repair costs.

Component Condition and Installation Recommendations

The product is offered as a used part, which in practice means the need for standard verification before installation – checking electrical connectors, connection sockets, and sealing around the body. Installation is recommended in a workshop environment, observing safety procedures for the fuel system and proper bleeding of the system after replacement.

During installation, pay attention to:

• cleanliness of the fuel tank interior,
• condition of seals and mounting rings,
• correct positioning of the fuel level sensor float,
• checking the fuel level reading after the first start-up.

Technical Support and Additional Materials

To better understand the principles of the fuel system's operation, diagnostics, and component selection by OEM numbers, it is worth using guide materials. An extended discussion of the construction and operation can be found in the article: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Volkswagen and need other components from the same group, such as pump modules, level sensor assemblies, or complete tank inserts, check the available parts in the Volkswagen Fuel Pumps and Level Sensors category.