Four Seasons 89087 Engine Auxiliary Water Pump

Engine Auxiliary Water Pump for Audi and Porsche

Four Seasons 89087 is a new electric coolant pump built for engine auxiliary cooling applications. It uses a plastic housing with 20 mm inlet and outlet connections, a 3-pin terminal layout, and compact dimensions for tight packaging around modern Audi and Porsche cooling systems.

Four Seasons backs the Coolant Pump line with more than 50 years of mobile A/C experience and product testing focused on long-term operation. This part number 89087 is used in a wide range of Audi A4, A5, Q5, Q7, S4, S5, SQ5, RS models, plus Porsche 911, Cayenne, and Panamera applications.

Key Features

• Brand: Four Seasons Coolant Pump
• Part number: 89087
• Electric engine auxiliary water pump
• New construction with plastic housing and plastic material
• 20.04 mm inlet and 20.00 mm outlet diameter
• 3-terminal pin connection
• Compact size: 3.34 in depth, 3.54 in height, 2.38 in width
• Direct replacement style for auxiliary coolant circulation systems

Product Details

Four Seasons 89087 is an electric auxiliary coolant pump used to circulate coolant through secondary cooling circuits, including transmission oil cooler and heater-related systems where specified. It is listed for Audi A4, A5, Q5, Q7, S4, S5, SQ5, RS6 Avant, RS7 Sportback, and related models, as well as Porsche 911, Cayenne, and Panamera applications. If you are replacing a failing Audi A6 coolant pump or sourcing a Porsche Panamera auxiliary water pump, this part number 89087 is built for those vehicle-specific cooling layouts.

This part cross-references Gates 41606E and Nissens 832152 for the same application.

Common Problems This Pump Can Address

• Loss of coolant circulation in an auxiliary cooling circuit
• Overheating concerns tied to a failed electric coolant pump
• Heater performance issues on vehicles using a separate heater-unit pump
• Transmission oil cooler circulation problems on listed Audi applications
• Coolant flow faults caused by worn internal pump components

Installation Notes and Tips

Verify the inlet and outlet sizes, 3-pin connector style, and mounting location before installation. Fitment varies by vehicle and position, including front, rear, right, and auxiliary-heater locations depending on the application. Confirm the exact model year and cooling-system configuration for Audi A4, A6, Q5, Q7, and Porsche Panamera or Cayenne vehicles before replacing the pump.

• Fits 2016-2018 Audi A6, N/A, w/ Transmission Oil Cooler; Coolant Pump
• Fits 2017-2024 Audi A4, N/A, w/ Transmission Oil Cooler; Coolant Pump
• Fits 2018-2025 Audi Q5, Front, For Heater Unit; Coolant Pump
• Fits 2020-2024 Audi Q7, Rear, Coolant Pump
• Fits 2021-2025 Porsche 911, N/A, Coolant Pump

Quality Assurance

Four Seasons engineers and tests its products for dependable operation, drawing on more than 50 years of mobile A/C experience. The 89087 coolant pump is a new replacement part designed for consistent performance in the specified Audi and Porsche applications.