Volkswagen Caddy SB AdBlue Additive Fuel Tank 2.0 Diesel 5R3131877E

Volkswagen Caddy SB AdBlue Additive Fuel Tank is an original fuel system component designed for use with diesel engines. It ensures stable storage of the AdBlue solution and its delivery to the exhaust gas treatment system, which supports the proper operation of the power unit and compliance with emission standards. Thanks to a design that meets the manufacturer's standards, this component from the Fuel tanks and filler pipes group allows for a technically correct vehicle repair.

Specifications and technical data

• SKU: 5R3131877E
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5R3131877E
• Substitutable numbers: 5R3131877E, 5R3 131 877 E
• Fuel type: Diesel
• Part type: Fuel Tank
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented Volkswagen Caddy SB AdBlue Additive Fuel Tank is part of the fuel system in Diesel engine vehicles, where the AdBlue solution is dosed into the exhaust system. It is responsible for the safe storage of the medium and its delivery to other parts of the installation, which is crucial for the proper operation of the nitrogen oxide emission reduction system.

This component works with other fuel and exhaust system parts, such as lines, pumps, or injectors, creating a cohesive exhaust gas treatment system. A properly selected AdBlue additive tank reduces the risk of leaks, controller errors, and a decrease in power unit performance.

Benefits of using an original component

Using an original Volkswagen Caddy SB AdBlue Additive Fuel Tank from the Fuel tanks and filler pipes group allows for maintaining the factory operating parameters of the system. This means, among other things:

• proper cooperation with the factory fuel and exhaust installation,
• correct fitment of mounts and connection ports,
• reduced risk of leaks and errors related to additive dosing,
• maintenance of stable exhaust emission parameters.

For the user, this translates into more predictable vehicle operation, easier diagnostics, and the ability to use standard service procedures provided by the manufacturer.

Characteristics of the used component

The offered Volkswagen Caddy SB AdBlue Additive Fuel Tank is a used part, sourced from dismantling. Such components are frequently chosen for repairs where maintaining compliance with the factory design while optimizing service costs is key. In the case of items from the Fuel tanks and filler pipes group, it is essential that the construction is consistent with the original design – a used OEM component meets this requirement.

Before installation, it is recommended to perform a standard check of tightness, the condition of the ports and mounting points, as well as to verify compatibility with the specific vehicle version based on catalog data or identification numbers in the specification.

Selection, installation, and operation

To correctly select the Volkswagen Caddy SB AdBlue Additive Fuel Tank for a specific vehicle, it is worth using the manufacturer's markings and catalog data, and if necessary, verifying compatibility by VIN. Proper selection has a direct impact on system tightness, correct routing of lines, and cooperation with the control electronics.

During installation, pay attention to:

• correct routing of lines and connectors,
• use of appropriate seals,
• maintaining cleanliness around the ports and connections,
• checking for any error messages after the first start-up.

Regular inspection of the AdBlue additive system, including the tank, helps reduce the risk of failure, and thus unplanned vehicle downtime and costly repairs.

If you want to better understand how the additive tank works with other components of the fuel and exhaust treatment system, a guide describing the construction and diagnostics of the entire system will be useful – check the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

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