Four Seasons 89037 Engine Auxiliary Water Pump

Four Seasons 89037 Auxiliary Water Pump

The Four Seasons 89037 is a new electric auxiliary water pump for engine coolant components. Built with a plastic housing and OE-style dimensions, it is made for Mercedes-Benz cooling system applications that require a direct-fit auxiliary pump replacement.

Key Features

• Brand: Four Seasons Water Pump line
• Part number: 89037
• Electric auxiliary water pump design
• Plastic construction
• Meets or exceeds OEM requirements
• New replacement part, not remanufactured
• 2-terminal pin connection
• Inlet and outlet pipe diameter: 0.72 in. / 18.30 mm
• Overall height: 3.00 in.; overall width: 3.25 in.; depth: 3.75 in.

Product Details

Four Seasons 89037 is an auxiliary engine coolant water pump designed for Mercedes-Benz vehicles that use an electric secondary pump in the cooling or heater circuit. The compact plastic body, 18.30 mm inlet and outlet sizing, and 2-pin terminal layout support OE-style fitment and straightforward replacement in the specified applications. This part cross-references Gates 41522E for the same application. The Four Seasons Water Pump line focuses on cooling-system replacement parts, and this unit is built as a new component for service work on Mercedes-Benz R350, SLK300, SLK350, SLK55 AMG, R320, SLK280, R500, and R63 AMG applications.

Vehicle Fitment

• Fits 2006-2012 Mercedes-Benz R350, N/A
• Fits 2009-2011 Mercedes-Benz SLK300, N/A
• Fits 2005-2011 Mercedes-Benz SLK350, N/A
• Fits 2005-2011 Mercedes-Benz SLK55 AMG, N/A
• Fits 2009 Mercedes-Benz R320, N/A
• Fits 2007 Mercedes-Benz R320, N/A
• Fits 2006-2008 Mercedes-Benz SLK280, N/A
• Fits 2007 Mercedes-Benz R500, N/A
• Fits 2007 Mercedes-Benz R63 AMG, N/A

Common Replacement Reasons

• Electric auxiliary pump failure in the coolant circuit
• Reduced coolant circulation through the heater or auxiliary cooling system
• Cooling system warning lights tied to pump performance
• Noise, leakage, or intermittent operation from the existing pump
• Restoring proper coolant flow on Mercedes-Benz R350 and SLK-Class models

Installation Notes

Verify the inlet and outlet diameter, terminal pin count, and mounting space before installation. Confirm the vehicle uses an electric auxiliary water pump in the listed Mercedes-Benz application, and compare the original part number and connector style to Four Seasons 89037 before replacement.

Quality Assurance

This Four Seasons auxiliary water pump is a new part that meets or exceeds OEM requirements for the listed applications. It is built for direct replacement use in Mercedes-Benz cooling system service.