Volkswagen Transporter T6 AdBlue Fuel Tank Reservoir 2.0 TDI 7E0131877H

Volkswagen Transporter T6 AdBlue Fuel Tank Reservoir is a fuel system component responsible for the safe storage of AdBlue solution and its stable operation within the exhaust emission reduction system. The offered reservoir is a dismantled part, an original Volkswagen brand component, which ensures a perfect fit for the factory installation. This is a solution for users who want to restore the full efficiency of the SCR system in their Transporter T6 without compromising on compatibility.

Specifications and technical data

• SKU: 7E0131877H
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 7E0131877H
• Substitutable numbers: 7E0131877H, 7E0 131 877 H, 5Q0131969C, 5Q0 131 969 C, 0444040011, 0 444 040 011
• Part type: Auxillary Fuel Tank
• Category: Fuel Tanks & Filler Necks

Purpose and function in the AdBlue system

The presented reservoir is a component from the Fuel tanks and filler pipes group, dedicated to the AdBlue system in 2.0 TDI diesel engines in the Volkswagen Transporter T6. It is responsible for:

• storing the AdBlue solution in a properly secured space,
• working with factory level and temperature sensors (according to the vehicle configuration),
• providing stable supply to the AdBlue dosing unit in the SCR system.

By maintaining the original geometry and mounting points, the reservoir integrates with the factory brackets, hoses, and vehicle installation, which facilitates assembly and reduces the risk of leaks.

Compatibility and selection by part numbers

As a Volkswagen OE part, the reservoir is designed for specific variants of the Transporter T6 with a 2.0 TDI engine, in compliance with the manufacturer's requirements for the emission reduction system. Selection is based on the OEM number and interchangeable numbers, which allows for precise verification of compatibility with a specific body version and engine unit.

Before purchasing, it is worth comparing the markings with the vehicle documentation or the existing component to ensure full compatibility with the AdBlue installation and avoid the need for modifications during installation.

Condition, origin, and advantages of using a used part

The offered reservoir is a used component, sourced from vehicle dismantling. Such a component, provided it maintains tightness and functional connections, can successfully continue to operate in the AdBlue system, representing an economical alternative to a new OE part. In practice, this means:

• maintaining factory fitment to the fuel/AdBlue installation in the Transporter T6,
• no need for adapting mounts or hoses,
• the ability to restore the proper operation of the SCR system after a failure or mechanical/corrosion damage to the previous reservoir.

For workshops and fleet users, this is a solution that allows for reducing repair costs while maintaining compliance with the vehicle manufacturer's requirements.

Benefits of using an original AdBlue reservoir

Using an original reservoir in the AdBlue system of the Transporter T6 translates into a number of practical benefits:

• Stable SCR system operation – proper storage and delivery of the AdBlue solution supports the maintenance of emission standards.
• Factory mounting points – facilitate assembly and service without the need for body or hose modifications.
• Consistency with the electrical installation – compatibility with sensors and wiring harnesses provided by the manufacturer.

As a result, the reservoir is particularly recommended for repairs where maintaining the original configuration of the fuel/emission system is crucial.

Technical support and educational materials

If you want to better understand the relationships between the reservoir, pump, and injection in the fuel and AdBlue system, a guide describing diagnostics, selection by OEM numbers, and operating principles will be useful – you can find it in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. It is a practical source of knowledge for both mechanics and conscious users.

If you are planning a comprehensive repair or upgrade of the fuel and AdBlue system area in your Volkswagen and need other elements from the same group, such as filler hoses, additional auxiliary tanks, or connection elements, check the available parts in the Volkswagen fuel tanks and filler pipes category.