Audi A3 8P Seat Leon 1P Mk2 Electric Fuel Pump Mount Support 2.0 TDI 1K0127023N

Audi A3 8P Seat Leon 1P Mk2 Electric Fuel Pump Mount Support is a specialized component from the Fuel pumps and level sensors category, designed for Diesel systems. It is responsible for the stable, secure, and leak-proof seating of the fuel pump within the tank, which translates into proper engine fueling and predictable operation of the entire fuel system. This solution is dedicated to users who expect precise fitment and wish to restore the factory performance parameters of the 2.0 TDI unit.

Specifications and technical data

• SKU: 5N0906274B
• Mark: Seat
• Condition: Used
• OEM Part Number: 5N0906274B
• Substitutable numbers: 5N0906274B, 5N0 906 274 B, 1K0127023N, 1K0 127 023 N
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The fuel pump mount in Audi A3 8P and Seat Leon 1P Mk2 models is responsible for maintaining the pump in the correct operating position inside the tank. In Diesel engines, the stability of the pump's position is crucial for:

• maintaining the proper fuel level in the suction zone,
• ensuring continuous fuel supply at various tank fill levels,
• reducing the risk of air entering the system during dynamic driving,
• proper cooperation with the fuel level sensor. Thanks to the appropriately designed geometry of the mount, the pump remains stable even during sudden changes in driving direction, which promotes smooth operation of the power unit and limits unwanted pressure drops in the system.

Compatibility and fitment for the 2.0 TDI unit

The component has been developed for use in vehicles with a 2.0 TDI engine, where the fuel system operates under high load and requires precise fuel delivery. The dedicated fuel pump mount ensures:

• compatibility with the tank design used in the Audi A3 8P / Seat Leon 1P Mk2 platform,
• proper positioning of the pump ports and connections relative to the fuel system,
• preservation of the factory operating characteristics of the Diesel supply system. Selecting parts according to manufacturer markings and interchangeable numbers allows for reducing the risk of installation problems and eliminates the need for modifications to the tank or fuel lines.

Performance characteristics and advantages of the solution

In vehicles with a diesel engine, the resistance of components to long-term contact with diesel fuel and temperature changes is particularly important. The fuel pump mount designed for Diesel systems is distinguished by:

• a construction adapted for operation in a higher-density fuel environment,
• stable support for the pump body, reducing vibrations transmitted to the fuel system,
• the ability to work with the factory fuel level sensor,
• maintaining geometry that ensures accurate fuel level readings across the entire tank capacity range. For the user, this means more predictable vehicle behavior, a lower risk of fuel supply interruptions at low fuel levels, and easier diagnostics of potential fuel system faults.

Condition, origin, and installation aspects

The offered element comes from the Seat line and is part of the group of original solutions used as factory equipment in the manufacturer's vehicles. The product is in used condition, which in practice means it has been in service but is still suitable for further use after proper installation verification. For this type of component, it is particularly important to:

• check the condition of the contact surfaces with the fuel tank,
• verify the pump mounting points and line routing,
• inspect for any deformations resulting from previous installation. Before installation, it is recommended to compare the geometry of the element with the currently installed mount and match it to the specific fuel system configuration of the given vehicle.

Technical support and additional materials

To better understand the role of the fuel pump mount in the entire supply system, it is worth referring to expert materials regarding diagnostics and maintenance. A detailed discussion of the fuel system construction, principles of selecting parts by manufacturer numbers, and practical tips on regeneration can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. If you are planning a comprehensive repair or upgrade of the fuel system area in your Seat and need other components from the same group, such as supply pumps, modules with level sensors, or in-tank mounting elements, check the available parts in the Seat fuel pumps and level sensors category. Additional information on how to consciously choose components from the secondary market is also provided by our guide to popular used parts – you can find it in the material The best used car parts – a guide to the most frequently chosen original parts.