VW Volkswagen Caddy Mk3 Mk4 2.0 TDI AdBlue Fluid Tank Bottle 2K5131877A

VW Volkswagen Caddy Mk3 Mk4 2.0 TDI AdBlue Fluid Tank Bottle is an original fuel supply system component, belonging to the Fuel Tanks and Filler Necks group, designed for diesel vehicles. Engineered by the vehicle manufacturer, it ensures proper cooperation with the exhaust emission reduction system in 2.0 TDI units equipped with AdBlue. This used OEM component is a sensible choice for workshops and users looking for a factory fit without the need for costly replacement with a new part.

Specifications and technical data

• SKU: 2K5131877A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 2K5131877A
• Substitutable numbers: 2K5131877A, 2K5 131 877 A
• Fuel type: Diesel
• Part type: Fuel Tank
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel and emission system

The presented AdBlue fluid tank is a component that works with the exhaust gas cleaning system in diesel engines, which use a urea solution to reduce nitrogen oxides. As a part from the Fuel Tanks and Filler Necks group, it is responsible for the safe storage of the working medium and its stable delivery to other parts of the installation. A correctly selected tank is crucial for maintaining the efficiency of the SCR system, the proper operation of the 2.0 TDI unit, and ensuring the vehicle complies with emission standards.

Construction and fitment for Volkswagen Caddy

The original nature of the component means that the geometry of the mounts, connection ports, and support points are adapted to the factory chassis architecture of the Volkswagen Caddy Mk3 and Mk4 generations. Thanks to this, the installation process is straightforward, without the need for modifying brackets or the installation itself. The tank is designed to work with the diesel engine fuel supply system, which facilitates integration with existing lines, sensors, and equipment.

Benefits of using an original AdBlue tank

Choosing an original AdBlue fluid tank for the Caddy 2.0 TDI brings a number of practical benefits:

• factory fit to the vehicle's body and chassis construction,
• maintenance of proper exhaust emission reduction system operation,
• consistency with the existing fuel and emission installation,
• reduced risk of leaks and installation errors.

For workshops, this means shorter installation time and fewer potential complaints, and for the end user – stable diesel engine operation and no error messages related to the AdBlue system.

Used condition and service aspects

The item is offered in used condition, which allows for a significant reduction in repair costs while maintaining a design consistent with the factory specifications. Before installation, a standard service procedure is recommended: leak testing, verification of connection sockets, and assessment of the external condition for mechanical damage. A properly selected and verified AdBlue tank is an effective solution for repairing the fuel and emission system in vehicles used intensively, e.g., in fleet applications.

Selection by part numbers and technical support

The selection of an AdBlue fluid tank for a specific version of the Volkswagen Caddy should always be based on the manufacturer's catalog data and vehicle identification. It is helpful to use OEM part numbers and interchangeable numbers, which allow for verifying compatibility with a given 2.0 TDI engine variant and vehicle model year. In case of doubt, a good solution is to consult a mechanic or a spare parts specialist to avoid installation problems and ensure proper cooperation with the existing system.

If you want to better understand how the AdBlue tank works with other elements of the fuel supply and exhaust cleaning system, it is worth checking out the guide article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses diagnostics, selection by VIN/OEM, and operating principles.

Rising service costs make used OEM parts an attractive alternative to new components. If you want to consciously plan repairs and optimize your budget, the material Rising repair costs and the boom in used parts – how to save on car service?, which describes when and how to safely use used components, may be helpful.

If you are planning a comprehensive repair or modernization of the fuel supply and fluid storage area in your Volkswagen and need other elements from the same group, such as additional tanks, filler pipes, or mounting elements, check out the available parts in the Volkswagen Fuel Tanks and Filler Necks category.