Four Seasons 89043 Engine Auxiliary Water Pump

Four Seasons 89043 Auxiliary Water Pump

The Four Seasons 89043 engine auxiliary water pump is a new electric coolant component built with a plastic housing and OE-matching 20.00 mm inlet and outlet diameters. It is made for direct replacement service on select Audi performance models, including the Audi S4 and Audi RS4.

As part of the Four Seasons Water Pump line, this auxiliary pump supports engine coolant circulation in applications that use an electric pump design. The 2-pin terminal layout, 4.25-inch depth, and compact 4.00-inch by 2.50-inch overall size help match the original equipment configuration for service work on the cooling system.

Key Features

• Four Seasons Water Pump line auxiliary engine coolant pump
• Electric design with 2 terminal pins
• Plastic construction for lightweight cooling-system service
• 20.00 mm inlet and outlet diameters
• New part that meets or exceeds OEM requirements
• Direct-fit replacement for select Audi S4 and Audi RS4 applications

Detailed Description

Four Seasons 89043 is an engine auxiliary water pump designed for cooling-system service where electric coolant circulation is required. Its auxiliary style, 20.00 mm inlet and outlet connections, and OE-style dimensions support accurate replacement on 2004-2009 Audi S4 and 2007-2008 Audi RS4 models. This part cross-references Dayco 89043 for the same application.

For buyers searching for an Audi S4 auxiliary water pump or an Audi RS4 electric water pump, Four Seasons 89043 provides a straightforward replacement option for the original engine coolant components. The part number 89043 is also useful when matching service records, catalog listings, or OE cross-reference data.

What It Helps Address

• Loss of electric coolant circulation through the auxiliary pump circuit
• Cooling-system warning lights tied to pump performance
• Overheating concerns related to reduced coolant flow
• Noise or irregular operation from a failing auxiliary water pump
• Service replacement for worn engine coolant components

Installation Notes and Tips

Verify connector style, inlet and outlet diameter, and mounting space before installation. Confirm the vehicle is a 2004-2009 Audi S4 or 2007-2008 Audi RS4 with the auxiliary water pump application listed for this part number 89043. Inspect the cooling system for leaks, damaged hoses, or electrical issues that could affect pump operation after replacement.

Quality Assurance

This Four Seasons auxiliary water pump is new and meets or exceeds OEM requirements. It is built for direct replacement use in the specified Audi S4 and Audi RS4 cooling-system applications.