Four Seasons 89078 Engine Auxiliary Water Pump - Intercooler, To Radiator or To Turbocharger

Reliable Electric Coolant Pump for BMW Models

The Four Seasons Coolant Pump 89078 is designed to provide efficient engine auxiliary water circulation for select BMW vehicles. This electric coolant pump ensures consistent cooling performance, helping maintain optimal engine temperature under various driving conditions.

• Electric engine auxiliary water pump for precise coolant flow
• Durable aluminum and plastic housing for long-lasting use
• Inlet and outlet diameter of 0.87 inches (22.10 mm) for proper fitment
• Compact dimensions: 4.69 inches height, 3.14 inches width, 4.43 inches depth
• Equipped with 3 terminal pins for secure electrical connection
• New, not remanufactured, ensuring reliable operation

Four Seasons Coolant Pump Product Line Overview

The Four Seasons Coolant Pump line focuses on electric coolant pumps engineered to support engine auxiliary water circulation. This product line emphasizes quality materials such as aluminum and plastic housings to balance durability and weight. The 89078 pump is part of this line, offering a direct replacement solution for BMW models requiring an electric auxiliary water pump.

Detailed Product Description

The Four Seasons 89078 electric coolant pump is specifically designed for BMW vehicles including the 230i, 230i xDrive, 330e, 330i, 330i GT xDrive, 330i xDrive, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, and M2 models. Its electric operation provides consistent coolant circulation independent of engine speed, improving thermal management. The pump features a robust aluminum and plastic housing that resists corrosion and wear. Both the inlet and outlet ports measure 0.87 inches (22.10 mm) in diameter, ensuring compatibility with the vehicle’s cooling system plumbing. The compact size allows for straightforward integration within the engine bay, while the three terminal pins facilitate secure electrical connections.

Common Applications and Issues Addressed

• Replacement of failing or noisy auxiliary water pumps
• Resolving engine overheating caused by insufficient coolant circulation
• Addressing coolant leaks from worn pump housings
• Improving heater core performance in affected BMW models
• Maintaining proper engine temperature for hybrid models like the BMW 330e

Installation Notes and Tips

When installing the Four Seasons Coolant Pump 89078, ensure the electrical connectors are securely attached to the three terminal pins. Verify that the inlet and outlet hoses match the 0.87 inch diameter specifications for a proper seal. It is recommended to inspect the cooling system for any additional wear or damage during installation. Follow manufacturer torque specifications for mounting bolts to avoid damage to the aluminum/plastic housing.

Quality Assurance and Warranty

This Four Seasons electric coolant pump is a new, direct replacement part manufactured to meet or exceed OEM standards. The combination of aluminum and plastic materials provides durability and corrosion resistance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.