Mercedes W910 Pump AdBlue SCR System AdBlue Tank Transfer Pump A0994707400

Mercedes W910 Pump AdBlue SCR System AdBlue Tank Transfer Pump is a specialized component responsible for the precise pumping of AdBlue solution from the tank to the exhaust emission reduction system. The offered component comes from an original Mercedes system, which helps maintain compliance with the factory operating characteristics of the system. As a result, it provides a solid foundation for professional repair or replacement in vehicles equipped with SCR technology.

Specifications and technical data

• SKU: A0994707400-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0994707400
• Substitutable numbers: A0994707400, A 099 470 74 00
• Category: Other Engine Parts

Purpose and function in the SCR system

The AdBlue transfer pump in the SCR system of the Mercedes W910 is responsible for maintaining a stable flow of the NOx reducing agent between the tank and the rest of the installation. A properly functioning component:

• ensures the correct AdBlue medium pressure in the lines,
• supports even dosing of the solution into the exhaust system,
• reduces the risk of controller errors related to improper flow,
• helps maintain the vehicle's compliance with exhaust emission standards.

By maintaining the original design, the pump works with the factory electronics and equipment, which facilitates diagnostics and subsequent operation.

Construction and compatibility with the AdBlue system

The presented transfer pump is a component integrated with the AdBlue tank system, adapted to work in environments with high humidity and variable temperatures. The design provided by the vehicle manufacturer includes:

• a housing adapted for mounting in the AdBlue tank module,
• connections prepared for compatibility with factory lines and connectors,
• an internal pumping system optimized for the viscosity and properties of the urea solution.

Such a solution helps maintain stable operation of the entire emission reduction system and minimizes the risk of leaks or problems with venting the installation after assembly.

Performance characteristics and installation

The offered pump comes from a Mercedes vehicle, which means it was designed for long-term operation in demanding service conditions. In practice, this translates into:

• a perfect fit for factory brackets and mounts in the tank module,
• compatibility with original electrical harnesses and controls,
• a reduction in the need for installation modifications during replacement.

During installation, it is recommended to follow the vehicle manufacturer's service procedures, including venting the system and checking the tightness of the AdBlue lines after starting the engine. This allows you to fully utilize the potential of the offered component and reduce the risk of repeated interference with the system.

Component condition and service application

The AdBlue transfer pump comes from the secondary market, making it an attractive solution for budget repairs or restoring the efficiency of fleet-operated vehicles. This type of component is particularly useful when:

• the original pump has suffered mechanical or electrical damage,
• there are errors related to lack of flow or insufficient AdBlue pressure,
• a quick replacement of the component is necessary to restore full functionality of the SCR system.

Using an original sub-assembly from the same design family helps maintain the consistency of the operating parameters of the entire exhaust purification system.

Technical support and additional resources

If you are planning a comprehensive repair or modernization of the exhaust purification area in your Mercedes and need other elements from the same group, such as additional modules, lines, or sensors related to the AdBlue system, check the available parts in the Other Mercedes category.

For a better understanding of the differences in the design of advanced model versions versus standard variants, including the impact of powertrains and their associated systems, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses key technical aspects of modern vehicles.