Nissens 831070 Engine Auxiliary Water Pump

Nissens Engine Auxiliary Water Pump 831070

The Nissens 831070 engine auxiliary water pump is built for 12-volt thermal management systems that need reliable coolant circulation outside the main water pump circuit. It is a direct-fit style replacement for select Audi RS7, Audi RS5, Volkswagen Jetta, and Volkswagen Passat applications.

• 12-volt engine auxiliary water pump for thermal system circulation
• Connector shape: oval
• Housing material: plastic / steel
• Pulley, gasket or seal, mounting bracket, and bolts are not included
• Brand: Nissens Genuine Nissens Quality manufacturing standard

Vehicle Fitment

• Fits 2014-2018 Audi RS7, Engine Cooling (Location-Left)
• Fits 2013-2015 Audi RS5
• Fits 2013-2016 Volkswagen Jetta, Engine Cooling (To Primary Radiator)
• Fits 2012-2014 Volkswagen Passat

Detailed Description

Nissens part number 831070 is an engine auxiliary water pump designed for vehicles that rely on supplemental coolant flow to manage engine temperature and support efficient thermal operation. The plastic and steel housing construction, oval connector shape, and 12-volt electrical specification make it a practical replacement for the listed Audi and Volkswagen applications. If you are sourcing an auxiliary coolant pump for an Audi RS7 cooling system or a Volkswagen Jetta engine cooling circuit, 831070 provides the correct fitment profile for those vehicles. This part cross-references one or more aftermarket numbers for the same application, including 6R0965561A and 0986338402.

Common Problems This Part Can Address

• Loss of auxiliary coolant circulation in the engine cooling system
• Temperature control issues caused by a failing electric coolant pump
• Coolant flow interruption to the primary radiator circuit
• Electrical connector or housing mismatch during replacement
• Cooling system fault codes related to auxiliary pump performance

Installation Notes and Tips

Confirm the connector shape, voltage, and vehicle-specific cooling location before installation. Transfer any required seals or brackets only if they are serviceable and specified for the application, since gasket or seal, mounting bracket, bolts, and pulley are not included with this pump. Always inspect the cooling system for leaks, contamination, and trapped air after replacement.

Quality Assurance

Nissens develops thermal and engine efficiency components to a consistent manufacturing standard across its range. Part number 831070 is produced as a quality replacement component for the listed Audi and Volkswagen fitments, including Audi RS7, Audi RS5, Volkswagen Jetta, and Volkswagen Passat applications.