Vaico V20-50017 Engine Water Pump

Engine Water Pump for BMW 535i and 735i

Vaico V20-50017 is a mechanical engine water pump built with a metal impeller and supplied with a seal. It is listed for select BMW 535i, 735i, and 735iL applications from 1990 through 1993, making it a direct-fit option for cooling system service on these models.

Key Features

• Mechanical engine water pump for belt-driven cooling system operation
• Metal impeller construction for durable coolant circulation
• Includes seal for the listed application
• Dimensions: 128 mm height, 114 mm length, 160 mm width
• Vaico part number V20-50017 for catalog and fitment lookup

Detailed Description

VAICO V20-50017 is an engine water pump from the VAICO product line, engineered for BMW cooling system service where a mechanical pump is required. The metal impeller supports consistent coolant movement through the engine and radiator circuit, while the included seal helps match the listed application requirements. This part is cataloged for 1990-1993 BMW 535i, 1990-1992 BMW 735i, and 1990-1992 BMW 735iL. This part cross-references Airtex AW9117 and Gates 20558 for the same application.

What This Water Pump Helps Address

• Coolant circulation loss caused by a worn or failing pump
• Overheating concerns linked to reduced coolant flow
• Coolant seepage at the pump sealing surface
• Noise or bearing wear from an aging mechanical pump
• Cooling system service on BMW 535i, 735i, and 735iL models

Installation Notes and Tips

Verify engine code, accessory drive layout, and existing pump dimensions before installation. Replace the pump only after confirming the vehicle matches the listed BMW fitment: Fits 1990-1993 BMW 535i, N/A; Fits 1990-1992 BMW 735i, N/A; Fits 1990-1992 BMW 735iL, N/A. Inspect the mating surfaces, flush the cooling system, and refill with the correct coolant mixture after installation. Confirm belt condition and tension during service.

Quality Assurance

VAICO catalogs this water pump as an aftermarket replacement for the specified BMW applications, with a metal impeller and seal included for the listed fitment. The VAICO brand line is used for replacement parts selected to match vehicle-specific service requirements.