Four Seasons 89086 Engine Auxiliary Water Pump

Engine Auxiliary Water Pump Overview

Four Seasons 89086 is a new electric engine auxiliary water pump for select Audi, Porsche, and Volkswagen applications. Built with a plastic housing and plastic construction, it is specified with 20.07 mm inlet and outlet diameters and a 3-pin terminal layout for direct replacement service.

Four Seasons Coolant Pump 89086 is part of the brand’s coolant pump line, backed by more than 50 years of mobile A/C experience and product testing focused on long-term operation. It is a practical OE-style replacement for vehicles that rely on an electric auxiliary coolant pump to manage coolant circulation.

Key Features

• Brand: Four Seasons
• Part number: 89086
• Type: Engine auxiliary water pump
• Electric coolant pump design
• New replacement part
• Plastic housing and plastic material
• Inlet diameter: 0.79 in. / 20.07 mm
• Outlet diameter: 0.79 in. / 20.07 mm
• Overall dimensions: 3.29 in. depth, 3.51 in. height, 2.63 in. width
• 3-terminal pin connection

Detailed Description

This Four Seasons coolant pump is engineered for electric auxiliary cooling circuits found on late-model European vehicles. It supports coolant movement in systems that require an auxiliary pump rather than a mechanical belt-driven unit, making it a direct-service solution for Audi A4, A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, A4 allroad, allroad, Q5, and Q7 applications, as well as Porsche Cayenne, Panamera, Macan, and Volkswagen Touareg coverage. Part number 89086 also cross-references Gates 41550E for the same application.

Vehicle Fitment

• Fits 2021-2025 Porsche Macan, N/A
• Fits 2017-2021 Porsche Panamera, N/A
• Fits 2011-2018 Porsche Cayenne, N/A
• Fits 2012-2017 Audi A5 Quattro, N/A
• Fits 2013-2017 Volkswagen Touareg, N/A
• Fits 2013-2016 Audi A4 allroad, N/A
• Fits 2012-2016 Audi A5, N/A
• Fits 2013-2016 Audi allroad, N/A
• Fits 2013-2016 Audi Q5, N/A
• Fits 2013-2015 Audi A4, N/A
• Fits 2013-2015 Audi A4 Quattro, N/A
• Fits 2012-2014 Audi A6, N/A
• Fits 2013-2014 Audi A6 Quattro, N/A
• Fits 2009-2012 Audi Q7, N/A, w/ Buehler Pump; Coolant Pump

Common Replacement Symptoms

• Coolant circulation issues in the auxiliary cooling circuit
• Overheating concerns tied to electric pump failure
• Intermittent pump operation or no pump operation
• Coolant flow problems on turbocharged or high-heat engine systems
• Diagnostic trouble codes related to auxiliary coolant pump performance

Installation Notes

Verify connector style, inlet and outlet size, and mounting location before installation. This pump uses a 3-pin terminal configuration and is intended for electric auxiliary coolant pump applications, so confirm the vehicle’s original pump style and system layout before replacement. For best results, inspect the surrounding coolant hoses and electrical connector condition during service.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation. The brand supports this coolant pump line with more than 50 years of mobile A/C experience and a focus on getting the repair done correctly the first time.