Vaico V10-50073-1 Engine Water Pump

Engine Water Pump for Volkswagen and Audi

The Vaico V10-50073-1 engine water pump is built for cooling-system service on select Volkswagen and Audi applications. It features a plastic impeller and OE-style dimensions for a direct-fit replacement on the listed vehicles.

Compatible with 2012-2014 Volkswagen Passat and 2013 Audi A4 allroad, this VAICO water pump is a practical choice when replacing a worn or leaking cooling component. The V10-50073-1 part number is also useful when cross-checking OE and aftermarket references during repair planning.

Key Features

• Engine water pump for belt and cooling system service
• Plastic impeller construction
• Dimensions: 95 mm height, 92 mm length, 86 mm width
• 19-tooth design
• VAICO brand line product
• Part number: V10-50073-1

Product Details

VAICO is the brand line behind this water pump, and the V10-50073-1 is specified with a plastic impeller for the listed fitments. The compact housing dimensions and 19-tooth configuration support OE-style replacement needs for cooling-system maintenance on Volkswagen Passat and Audi A4 allroad applications. This part cross-references 03L 121 011 H and 03L121011HX for the same application.

What It Helps Address

• Coolant circulation issues caused by a worn pump
• Leaks from an aging engine water pump assembly
• Overheating concerns related to reduced coolant flow
• Noisy operation from a failing cooling-system component
• Service replacement for a damaged OE-style pump

Installation Notes and Tips

Verify engine code, pulley configuration, and gasket/seal requirements against the vehicle before installation. For 2012-2014 Volkswagen Passat and 2013 Audi A4 allroad applications, confirm the listed fitment and inspect the cooling system for contamination, belt wear, and mating-surface condition during service. The part number V10-50073-1 should be matched carefully to the vehicle’s cooling-system specification.

Quality Assurance

VAICO parts are cataloged for OE-style replacement use, and this water pump is listed with application-specific fitment data for the vehicles shown above. Confirm all vehicle details against the part number V10-50073-1 before installation.