Gates 41522E Engine Auxiliary Water Pump - Heater

Electric Auxiliary Water Pump for Mercedes-Benz

Gates 41522E is an electric engine auxiliary water pump built for steady cooling-system and heater-circuit performance. It uses a plastic housing and plastic impeller with standard rotation, and it is configured as an OE-performance replacement for select Mercedes-Benz applications.

The Gates Water Pump (Electric) line focuses on durable operation with premium materials and OE-quality fitment. As electric pump technology becomes more common in modern vehicles, this part supports proper coolant circulation in systems that rely on an auxiliary pump for heating and thermal management.

Key Features

• Electric engine auxiliary water pump for cooling and heater system circulation
• Plastic housing and plastic impeller
• Standard impeller rotation
• Single outlet design
• No back housing, pulley, or fan clutch included
• OE Performance rating for direct replacement use
• Gates part number 41522E

Detailed Description

Gates 41522E is an auxiliary electric water pump engineered for Mercedes-Benz vehicles that use an electric pump to support coolant flow. It is a direct-fit replacement for applications such as the 2016-2017 Mercedes-Benz C350e, 2017 Mercedes-Benz E300, E400, GLC300, GLC43 AMG, SL450, SL550, SL63 AMG, and SL65 AMG, along with other listed models including the 2022 Mercedes-Benz C43 AMG and 2008-2009 SLK350. This part cross-references Dorman - OE Solutions 902-082 for the same application.

Use Gates 41522E when the original auxiliary pump no longer maintains proper circulation through the cooling or heater circuit. The part number 41522E is also listed under interchange references including 941522E and AWP-2635.

Common Problems This Part Can Address

• Weak or inconsistent heater output
• Reduced coolant circulation in the auxiliary circuit
• Electric pump noise or failure
• Temperature control issues tied to the heater pump circuit
• Cooling-system performance loss in vehicles using an auxiliary pump

Installation Notes and Tips

Confirm the vehicle’s engine and heater-circuit configuration before ordering, since fitment varies by model and year. This pump is listed for N/A and Heater positions depending on application, so match the original unit’s location and connector layout before installation. Inspect hoses, electrical connectors, and coolant condition during replacement to help restore proper system operation.

Quality Assurance

Gates manufactures this electric water pump with premium materials and OE-quality fitment standards for dependable operation under demanding driving conditions. The Gates Water Pump (Electric) line is built to restore cooling and heating system performance in the specified Mercedes-Benz applications.