VW Passat CC Touareg 7L Phaeton GP2 Eos 1F Coolant Water Pump 3.6 FSI 022121011A

VW Passat CC Touareg 7L Phaeton GP2 Eos 1F Coolant Water Pump 3.6 FSI is an original cooling system component designed for 3.6 FSI petrol engines in high-end Volkswagen models. Thanks to its factory design, it ensures proper coolant circulation and stable thermal conditions for the power unit, which translates into safe and predictable engine operation. This is a solution for users looking for a proven water pump matched to the specifics of 3.6 FSI units.

Specifications and technical data

• SKU: 022121011A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 022121011A
• Substitutable numbers: 022121011A, 022 121 011 A, 022 121 011 B, 022121011B, 022 121 011 AX, 022121011AX
• Part type: Engine Water Pump
• Category: Water Pumps

Purpose and compatibility with the 3.6 FSI engine

The presented pump belongs to the Water pumps category and has been designed for 3.6 FSI engines used in Volkswagen Passat CC, Touareg, Phaeton, and Eos models. This means that its geometry, mounting points, and coolant flow are adapted to the factory requirements of these power units, without the need for system modifications. Its original Volkswagen Group origin helps maintain the correct pressure and efficiency of the cooling circuit, which is particularly important in more powerful petrol engines operating under a wide range of loads. Using this pump allows you to maintain cooling system performance parameters in accordance with the vehicle manufacturer's specifications.

Construction and operating characteristics of the water pump

The water pump in the 3.6 FSI engine is responsible for forcing the circulation of coolant between the engine block, cylinder heads, radiator, and other system components. The design of the original Volkswagen component is optimized for:

• stable fluid flow across the full engine speed range,
• reduction of cavitation in the impeller area,
• maintaining proper tightness thanks to the precise fit of working elements. As a result, the pump supports uniform heat dissipation from the power unit, which is important both in city driving and during prolonged highway loads. A properly selected flow minimizes the risk of overheating and local temperature differences within the engine.

Benefits of using an original used Volkswagen pump

Choosing an original water pump from dismantling is a solution that combines economic aspects with the preservation of factory cooling system performance parameters. A component coming from the same production line as the part installed in the car at the factory stage ensures:

• structural compatibility with the 3.6 FSI engine without the need for modifications,
• fitment to factory cooling channels and engine accessories,
• preservation of the flow characteristics intended by the manufacturer. In the case of a cooling system, it is particularly important that the pump works with other components – the radiator, thermostat, hoses, and engine control – in a predictable manner. The original Volkswagen component reduces the risk of problems resulting from imprecise geometry reproduction or material quality typical of the cheapest replacements.

Condition, verification, and preparation for installation

The water pump offered in this listing is a used component, which means it comes from a previously operated vehicle. This type of part allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. Before installation, standard service procedures are recommended: checking for leaks, assessing bearing operation, and verifying the condition of seals in accordance with workshop practices. Due to the key role of the water pump in protecting the engine from overheating, installation should be performed in accordance with the vehicle manufacturer's procedures – with the correct bolt tightening torque, cooling system bleeding, and the use of coolant with parameters consistent with Volkswagen recommendations.

Technical support and additional materials

When diagnosing problems with engine overheating or improper cooling system operation, it is worth looking more broadly at the entire fluid circuit, not just the pump itself. It may be helpful to read the guide on selecting cooling system components – especially radiators – in the context of power unit safety. More information can be found in the article: Cooling system failure: why is an original used radiator a safer choice than a cheap replacement?. If you are planning a comprehensive repair or upgrade of the engine area in your Volkswagen and need other elements from the same group, such as housings, bodies, or additional pump drive modules, check the available parts in the Volkswagen Water pumps category.