Nissens 831118 Engine Auxiliary Water Pump

Nissens 831118 Engine Auxiliary Water Pump

The Nissens 831118 engine auxiliary water pump is built for Mercedes-Benz thermal management systems that require precise coolant circulation. It is a 12V unit with a D-shape connector and a plastic/steel housing, making it a direct-fit service part for select Mercedes-Benz S-Class, E-Class, and CLS applications.

Key Features

• Engine auxiliary water pump for thermal system circulation
• 12-volt electrical design
• D-shape connector for the specified application
• Plastic / steel housing construction
• No pulley included
• No gasket or seal included
• No mounting bracket included
• No bolts included
• Cross-reference part number: 2128350164

Product Details

Nissens 831118 is engineered for vehicles that rely on an auxiliary coolant pump to maintain stable engine and system temperatures under varying operating conditions. Nissens develops thermal and engine efficiency components with a focus on consistent manufacturing quality, and this part follows that approach for Mercedes-Benz fitments including S560, S63 AMG, E350, and CLS550 applications. If you are replacing a failing Mercedes-Benz auxiliary water pump, Nissens 831118 provides the correct electrical and connector configuration for the listed vehicles.

Vehicle Fitment

• Fits 2018-2021 Mercedes-Benz S560, N/A
• Fits 2018-2021 Mercedes-Benz S63 AMG, N/A, w/Heated Windshield Washers
• Fits 2018-2020 Mercedes-Benz Maybach S560, N/A
• Fits 2018-2020 Mercedes-Benz Maybach S650, N/A
• Fits 2018-2020 Mercedes-Benz S450, N/A
• Fits 2019-2020 Mercedes-Benz S560e, N/A, Heated Windshield Washers
• Fits 2015-2020 Mercedes-Benz S65 AMG, N/A
• Fits 2012-2018 Mercedes-Benz CLS550, N/A
• Fits 2015-2017 Mercedes-Benz CLS400, N/A, w/Heated Windshield Washers
• Fits 2016-2017 Mercedes-Benz Maybach S600, N/A
• Fits 2015-2017 Mercedes-Benz S550e, N/A
• Fits 2015-2017 Mercedes-Benz S600, N/A
• Fits 2011-2017 Mercedes-Benz S63 AMG, N/A
• Fits 2014-2016 Mercedes-Benz E250, N/A, w/Heated Windshield Washers
• Fits 2010-2016 Mercedes-Benz E350, N/A
• Fits 2015-2016 Mercedes-Benz E400, N/A, Sedan
• Fits 2013-2015 Mercedes-Benz E400, N/A
• Fits 2010-2015 Mercedes-Benz E63 AMG, N/A
• Fits 2012-2014 Mercedes-Benz CLS63 AMG, N/A
• Fits 2010-2014 Mercedes-Benz E550, N/A
• Fits 2011-2013 Mercedes-Benz E350, N/A, w/Heated Windshield Washers

Installation Notes

Verify the connector shape, voltage, and housing style before installation. This pump does not include a gasket or seal, mounting bracket, bolts, or pulley, so reuse or source the required related components as needed for the repair. Confirm the vehicle’s exact Mercedes-Benz application and any heated windshield washer notes before ordering or installing Nissens 831118.

Quality Assurance

Nissens manufactures thermal management components for the aftermarket with controlled product development and production standards. Part number 831118 is built to match the listed Mercedes-Benz applications and cross-references 2128350164 for the same application.