Four Seasons 89104 Engine Auxiliary Water Pump

Engine Auxiliary Water Pump for Volkswagen Cooling Systems

Four Seasons 89104 is a new electric coolant pump built for engine cooling circuits that require a compact auxiliary pump. It uses a plastic housing with 19.56 mm inlet and outlet diameters, a 3-terminal electrical connection, and a compact footprint for tight packaging around the cooling system.

Key Features

• Electric engine auxiliary water pump for coolant circulation
• Plastic housing and plastic construction
• 19.56 mm inlet and 19.56 mm outlet
• 3-terminal pin electrical connection
• Compact dimensions: 3.86 in. high, 3.32 in. wide, 3.56 in. deep
• New part from Four Seasons Coolant Pump line

Product Details

Four Seasons 89104 is part of the Coolant Pump line and is engineered for dependable operation in modern cooling systems. This electric auxiliary water pump is used where coolant flow must be maintained independently of the main mechanical pump, making it a direct-fit service part for select Volkswagen Golf and Volkswagen Jetta applications. It also cross-references Bosch 0392023455 for the same application.

Compatible with 2019-2021 Volkswagen Golf, w/ Bracket; Coolant Pump; 2016-2021 Volkswagen Jetta, Coolant Pump; 2019 Volkswagen e-Golf, w/ Bracket; Coolant Pump; and 2015-2018 Volkswagen e-Golf, Coolant Pump. The Four Seasons 89104 part number is also commonly searched as an electric coolant pump replacement for these Volkswagen cooling system repairs.

Common Issues This Part Can Address

• Loss of auxiliary coolant circulation
• Cooling system flow faults related to the electric pump
• Overheating concerns tied to pump failure
• Coolant circulation problems in stop-start or after-run cooling circuits
• Service replacement for a worn or inoperative auxiliary water pump

Installation Notes and Tips

Verify connector style, inlet and outlet size, and mounting configuration before installation. This pump uses a 3-pin terminal layout and is intended for applications that match the listed Volkswagen fitment. Inspect the surrounding hoses, bracket, and electrical connector for wear or corrosion during replacement to help ensure proper cooling system operation.

Quality Assurance

Four Seasons states that its cooling products are engineered and tested for long service life, drawing on more than 50 years of mobile A/C experience. Four Seasons 89104 is a new replacement part built to meet the demands of the specified Volkswagen Golf, Volkswagen Jetta, and Volkswagen e-Golf applications.