Vaico V20-50044 Engine Water Pump

Engine Water Pump for BMW Diesel Applications

The VAICO V20-50044 engine water pump is a mechanical cooling component built with a metal impeller and supplied with a seal. It is specified for select BMW diesel applications, including the X5 and 335d, where consistent coolant circulation is critical to engine temperature control.

VAICO VAICO focuses on OE-style replacement parts for European vehicles, and this water pump follows that approach with application-specific dimensions and a metal impeller design for mechanical operation.

Key Features

• Engine water pump for cooling system service
• Mechanical operating mode
• Metal impeller construction
• Supplied with seal
• Dimensions: 192 mm length, 140 mm width, 91 mm height
• Part number: V20-50044

Detailed Description

The Vaico V20-50044 is an engine water pump for BMW cooling system repair and maintenance. It is listed for 2009-2013 BMW X5 and 2009-2011 BMW 335d applications, making it a direct-fit option for diesel models that rely on stable coolant flow to manage operating temperature. The metal impeller supports mechanical pump operation, while the included seal helps match the service requirements of the cooling system. This part cross-references Baldwin PA10166 for the same application.

Common Issues This Part Addresses

• Coolant circulation loss from a worn or failing pump
• Engine overheating caused by reduced water pump output
• Coolant seepage at the pump sealing surface
• Noise or rough operation from a deteriorated mechanical pump
• Cooling system service on BMW X5 and BMW 335d diesel models

Installation Notes and Tips

Verify engine code and OE reference before installation. Inspect the cooling system, gasket surfaces, hoses, thermostat, and coolant condition during service. Clean all mating surfaces thoroughly and confirm proper belt alignment and pulley engagement before returning the vehicle to service. Fits 2009-2013 BMW X5, N/A. Fits 2009-2011 BMW 335d, N/A.

Quality Assurance

VAICO replacement parts are built for European vehicle applications and are cataloged to match the specified fitment and OE reference for this BMW cooling system service part.