Four Seasons 89040 Engine Auxiliary Water Pump

BMW X5 Auxiliary Water Pump Overview

Four Seasons 89040 is a new electric auxiliary water pump for select BMW X5 applications. Built with a plastic housing and 22.00 mm inlet and outlet diameters, it is an OE-style engine coolant component that meets or exceeds OEM requirements.

Use this Four Seasons water pump when servicing BMW X5 cooling system concerns that require an electric auxiliary pump. The Four Seasons Water Pump line focuses on direct-fit engine coolant components for accurate replacement on the vehicle.

Key Features

• Brand: Four Seasons Water Pump
• Part number: 89040
• Electric auxiliary water pump design
• Plastic construction
• 22.00 mm inlet and outlet diameters
• 2-terminal pin electrical connection
• New replacement part
• Meets or exceeds OEM specifications

Detailed Product Description

Four Seasons 89040 is an engine auxiliary water pump engineered for BMW X5 cooling system service. It is an electric auxiliary style pump with a 3.75 in overall height, 3.25 in overall width, and 4.75 in depth, giving it the physical dimensions needed for the intended application. The 0.86 in inlet and outlet pipe diameters, along with the 22.00 mm inlet and outlet sizing, support proper coolant routing in the vehicle’s auxiliary cooling circuit. This part cross-references Gates 41523E for the same application.

Compatible With BMW X5 models from 2009-2016 as a water pump and 2017-2018 as a coolant pump. Four Seasons 89040 is also referenced by interchange numbers including 5W9004, 820039, 64116951549, 64116978627, 64119197085, and W99040.

Common Cooling System Issues

• Auxiliary coolant circulation loss
• Cooling system fault codes tied to the electric pump circuit
• Insufficient coolant flow through the auxiliary circuit
• Overheating concerns related to pump failure
• Noisy or non-operational electric water pump operation

Installation Notes and Tips

Verify connector style, terminal pin count, inlet and outlet sizing, and mounting dimensions before installation. Confirm the vehicle is a BMW X5 within the listed model years and match the pump to the correct cooling system configuration. Inspect related coolant hoses, seals, and electrical connections during service to help ensure proper operation after replacement.

Quality Assurance

Four Seasons 89040 is a new part that meets or exceeds OEM specifications for the listed BMW X5 applications. The Four Seasons Water Pump line is built for direct replacement of engine coolant components in the intended fitment range.