Gates 41574E Engine Auxiliary Water Pump - Heater

Gates Electric Auxiliary Water Pump 41574E

The Gates 41574E is an electric engine auxiliary water pump built for Mercedes-Benz cooling and heating system service. It uses OE-performance construction with a plastic housing and plastic impeller to support reliable operation in demanding driving conditions.

Gates electric water pump line coverage is aimed at modern vehicles that use electrically driven coolant circulation to improve efficiency and thermal control. This 41574E application helps restore proper coolant flow for heater and auxiliary system operation on select Mercedes-Benz models, including S560 and related S-Class variants.

• Electric auxiliary water pump for cooling and heating system circulation
• OE Performance grade for direct replacement service
• Plastic housing and plastic impeller
• Standard impeller rotation
• 1 outlet configuration
• No pulley included
• No fan clutch included
• No back housing included

Vehicle Fitment

• Fits 2018-2021 Mercedes-Benz S560, Heater, Water Pump (Electric)
• Fits 2018-2020 Mercedes-Benz Maybach S560, Heater, Water Pump (Electric)
• Fits 2020 Mercedes-Benz Maybach S650, Heater, Water Pump (Electric)
• Fits 2019 Mercedes-Benz S560L, Heater, Water Pump (Electric)
• Fits 2017 Mercedes-Benz CLS63 AMG S, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2017 Mercedes-Benz Maybach S550, N/A, Water Pump (Electric)
• Fits 2016-2017 Mercedes-Benz Maybach S600, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2017 Mercedes-Benz S550, N/A, Water Pump (Electric)
• Fits 2015-2017 Mercedes-Benz S600, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2016-2017 Mercedes-Benz S600L, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2015-2017 Mercedes-Benz S63 AMG, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2016-2017 Mercedes-Benz S63L AMG, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2015-2017 Mercedes-Benz S65 AMG, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2016-2017 Mercedes-Benz S65L AMG, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2014-2016 Mercedes-Benz E250, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2014-2016 Mercedes-Benz E350, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2014-2016 Mercedes-Benz E400, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2013-2015 Mercedes-Benz E550, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2014-2015 Mercedes-Benz E63 AMG, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2014-2015 Mercedes-Benz E63 AMG S, N/A, W/Heated Washer System; Water Pump (Electric)
• Fits 2012 Mercedes-Benz CLS550, Heater, Water Pump (Electric)
• Fits 2010-2011 Mercedes-Benz E63 AMG, N/A, Water Pump (Electric)

What This Pump Helps Address

• Weak or inconsistent coolant circulation in the auxiliary circuit
• Insufficient heater performance caused by pump wear
• Electric pump noise or intermittent operation
• Cooling system performance issues tied to auxiliary water pump failure
• Heated washer system flow concerns on listed applications

Installation Notes

Confirm the vehicle’s original pump style, outlet layout, and application notes before installation. This Gates 41574E is an electric auxiliary water pump with one outlet, so matching the OE configuration is important for proper fitment on Mercedes-Benz S560, E-Class, and related models.

Use clean coolant system practices during replacement, inspect hoses and connectors for wear, and verify electrical connections before returning the vehicle to service. This part cross-references 147-4030 and 941574E for the same application.

Quality Assurance

Gates manufactures this electric water pump using premium materials for durable operation under demanding conditions. The 41574E is built to OE-performance standards for direct-fit service on confirmed Mercedes-Benz applications.