Nissens 831055 Engine Auxiliary Water Pump

Nissens 831055 Engine Auxiliary Water Pump

The Nissens 831055 engine auxiliary water pump is built for Mercedes-Benz cooling system service where precise thermal control matters. It is a direct-fit replacement for select Mercedes-Benz CLK320, CLK430, E320, CLK55 AMG, E430, E55 AMG, C230, C280, and C43 AMG applications.

Key Features

• Engine auxiliary water pump for thermal management support
• Housing material: plastic / steel
• Pulley not included
• Gasket or seal not included
• Mounting bracket not included
• Bolts not included

Product Details

Nissens develops thermal and engine efficiency components with a focus on consistent manufacturing quality. The 831055 auxiliary water pump is engineered for vehicles that rely on supplemental coolant circulation to maintain stable operating temperatures. This part number 831055 is a practical replacement choice for Mercedes-Benz cooling system repair, especially when servicing models that use an auxiliary pump in the engine bay.

This part cross-references Bosch (e.g., 0392020029) for the same application.

Vehicle Fitment

• Fits 2000-2003 Mercedes-Benz CLK320, N/A
• Fits 2000-2003 Mercedes-Benz CLK430, N/A
• Fits 2000-2003 Mercedes-Benz E320, N/A
• Fits 2001-2002 Mercedes-Benz CLK55 AMG, N/A
• Fits 2000-2002 Mercedes-Benz E430, N/A
• Fits 2000-2002 Mercedes-Benz E55 AMG, N/A
• Fits 2000 Mercedes-Benz C230, N/A
• Fits 2000 Mercedes-Benz C280, N/A
• Fits 2000 Mercedes-Benz C43 AMG, N/A

Common Uses

• Restoring coolant circulation in a Mercedes-Benz auxiliary cooling circuit
• Addressing overheating concerns tied to a weak or failed auxiliary pump
• Replacing a noisy, leaking, or non-operational engine auxiliary water pump
• Supporting stable temperature control during idle or low-speed operation

Installation Notes

Verify the vehicle’s original pump configuration before installation. The Nissens 831055 does not include a pulley, gasket or seal, mounting bracket, or bolts, so reuse or source the required related components as needed. Confirm connector, mounting, and hose routing details against the removed unit before final assembly.

Quality Assurance

Nissens is known for manufacturing thermal management components for the aftermarket with controlled product development and production standards. The 831055 is built as a replacement part for the listed Mercedes-Benz applications and follows the brand’s Genuine Nissens Quality approach.