Vaico V20-50051 Engine Water Pump

Engine Water Pump for BMW Cooling Service

The VAICO V20-50051 engine water pump is a mechanical replacement built for BMW cooling system service. It uses a metal impeller and includes a seal, making it a direct-fit option for select BMW 550i, 650i, 750i, X5, and X6 applications.

VAICO V20-50051 is specified for vehicles that require a metal-impeller water pump with pulley-related fitment notes in the catalog. This part number is also referenced in aftermarket cross listings for the same application, including Hepu P415 and Rein WPR0015.

Key Features

• Mechanical engine water pump design
• Metal impeller construction
• Includes seal
• VAICO brand line: VAICO cooling and engine service components are cataloged for European vehicle repair applications
• Part number: V20-50051

Detailed Product Information

This engine water pump is built for BMW cooling system replacement where a mechanical pump with a metal impeller is required. The cataloged dimensions are 130 mm height, 220 mm length, 155 mm width, with packaging dimensions of 18.2 cm by 16.2 cm. The VAICO V20-50051 is listed across multiple BMW V8 applications, including 550i, 650i, 750i, X5, and X6 model lines from 2008 through 2017.

Compatible With BMW 550i, 2011-2014; BMW 550i, 2016; BMW 550i GT xDrive, 2010-2016; BMW 650i, 2012-2016; BMW 750i, 2009-2016; BMW X5, 2010-2016; BMW X6, 2008-2014. Compatible With BMW 550i GT xDrive, 2017; BMW 650i, 2017; BMW 650i Gran Coupe, 2013-2016; BMW 650i Gran Coupe, 2017; BMW 650i xDrive, 2012-2016; BMW 650i xDrive, 2017; BMW 650i xDrive Gran Coupe, 2013-2016; BMW 650i xDrive Gran Coupe, 2017; BMW 750i xDrive, 2010-2016; BMW 750Li, 2009-2015; BMW 750Li xDrive, 2010-2015; BMW X5, 2017; BMW X6, 2015-2017.

Common Repair Uses

• Replacing a leaking BMW engine water pump
• Restoring coolant circulation in a mechanical cooling system
• Addressing overheating caused by pump wear or impeller damage
• Repairing coolant loss at the pump seal area
• Servicing BMW cooling systems during preventive maintenance

Installation Notes and Tips

Verify engine code and catalog fitment before installation, since BMW water pump applications can vary by model year and configuration. Inspect the pulley, gasket surface, hoses, and adjacent cooling components during replacement, and confirm the seal seats cleanly before final assembly. The mechanical design and metal impeller make this part appropriate for direct replacement where the original pump specification matches the catalog listing.

Quality Assurance

VAICO parts are cataloged for European vehicle service and are listed here with OE-style fitment references for BMW cooling system repair. Cross-reference part numbers for this application include Hepu P415 and Rein WPR0015. Part number V20-50051 should be matched to the vehicle application shown above before purchase.