Nissens 831350 Engine Auxiliary Water Pump

Engine Auxiliary Water Pump Overview

Nissens 831350 is a 12V electric auxiliary water pump built for cooling-system applications that require steady coolant circulation and reliable electrical operation. It is a direct-fit style replacement for select Porsche, Volkswagen, and Audi models, including the 718 Boxster, 718 Cayman, e-Golf, and A3 Sportback e-tron.

For buyers searching for an auxiliary water pump for 2017-2023 Porsche 718 Boxster or 2015-2019 Volkswagen e-Golf applications, this Nissens unit is engineered with plastic housing construction and fully electric operation for consistent performance.

• Electric auxiliary water pump, 12V operation
• Plastic housing for lightweight packaging and corrosion resistance
• No pulley, gasket or seal, mounting bracket, or hardware included
• Fully tested for pumping efficiency and electrical compatibility
• Built to help maintain coolant flow in auxiliary cooling circuits

Detailed Product Description

Nissens part number 831350 is an engine auxiliary water pump designed for vehicles that use an electrically driven coolant circulation component rather than a belt-driven pump. It is listed for 2017-2023 Porsche 718 Boxster, 2017-2023 Porsche 718 Cayman, 2015-2019 Volkswagen e-Golf, and 2016 Audi A3 Sportback e-tron, with fitment notes showing a 28.50 L/M flow specification. This makes it a strong match for drivers and technicians looking for a Porsche 718 Cayman auxiliary water pump, a Volkswagen e-Golf electric water pump, or an Audi A3 Sportback e-tron cooling-system replacement.

Nissens manufactures these pumps using high-grade raw materials and validates each unit for pumping efficiency, fit, and electrical compatibility. Part number 831350 is also referenced in cross-application listings for OE-style replacement use.

This part cross-references 04L965567 and 9A7965567 for the same application.

What It Helps Address

• Loss of auxiliary coolant circulation
• Overheating concerns tied to pump failure
• Electrical pump malfunction or inconsistent operation
• Coolant flow issues in hybrid or electric cooling circuits
• Noise or vibration from a worn auxiliary pump assembly

Installation Notes and Tips

Confirm the vehicle’s original pump style, electrical connector, and flow specification before installation. This pump does not include a pulley, gasket or seal, mounting bracket, or hardware, so reuse or source the required installation components as needed. Always inspect the cooling system for leaks, contamination, or trapped air before returning the vehicle to service.

Quality Assurance

Nissens tests this electric water pump for pumping efficiency, fit, and electrical compatibility before release. The use of high-rated raw materials supports durability in demanding cooling-system service.