Nissens 831057 Engine Auxiliary Water Pump

Engine Auxiliary Water Pump for Mercedes-Benz

Nissens 831057 is an engine auxiliary water pump built for Mercedes-Benz applications that require 12V operation and a D-shape connector. It features a plastic and steel housing, an included mounting bracket, and a measured flow rate of 15.4 L/M for thermal management support in the vehicle’s cooling system.

Compatible With Mercedes-Benz AMG GT 63, C43 AMG, CLA250, CLA35 AMG, CLS450, E350, G550, GLA250, GLB250, Metris, Sprinter, and many other listed applications across 2003-2024 model years. Part number 831057 is also referenced by Dayco 89017 and Genuine 2118350264 for the same application.

Key Features

• Engine auxiliary water pump for Mercedes-Benz cooling and auxiliary thermal circuits
• 12V electrical specification with D-shape connector
• 15.4 L/M flow rate for coolant circulation support
• Plastic / steel housing construction
• Mounting bracket included
• No pulley included
• No gasket or seal included
• Part number: 831057

Detailed Description

Nissens 831057 is engineered as an auxiliary water pump for a wide range of Mercedes-Benz vehicles, including AMG, Sprinter, Metris, GLC, E-Class, C-Class, and GL/ML/R/SLK platforms. It is used in applications such as engine cooling and auxiliary HVAC systems, depending on the vehicle listing. The design combines a 12V electrical setup with a D-shape connector and a plastic/steel housing to match the specified OE-style configuration.

Nissens develops thermal and engine efficiency components with a focus on consistent manufacturing quality across its aftermarket range. For buyers searching for a Mercedes-Benz auxiliary water pump, Mercedes-Benz Sprinter auxiliary water pump, or Mercedes-Benz E350 auxiliary coolant pump, part number 831057 provides a direct replacement option for the listed fitments.

What This Part Helps Address

• Insufficient coolant circulation through auxiliary circuits
• Overheating concerns tied to a failing auxiliary pump
• Loss of heater or auxiliary thermal system performance on listed vehicles
• Electrical pump faults related to the 12V auxiliary cooling system
• Fitment issues when replacing the original Mercedes-Benz auxiliary water pump

Installation Notes and Tips

Verify the connector shape, voltage, and vehicle-specific notes before installation. This unit does not include a pulley, gasket, or seal, so reuse or source the correct sealing components as required by the application. Confirm the mounting bracket location and compare the original pump to Nissens 831057 before final assembly.

Fitment examples include 2023-2024 Mercedes-Benz AMG GT 63, 2020-2023 Mercedes-Benz C43 AMG, 2022-2023 Mercedes-Benz Sprinter 2500, 2016-2021 Mercedes-Benz C63 AMG, and 2003-2006 Mercedes-Benz E500.

Quality Assurance

Nissens positions this part within its Genuine Nissens Quality standard, with products developed and manufactured to the brand’s stated quality requirements. Part number 831057 is supported by cross-reference numbers including Dayco 89017 and Genuine 2118350264.