Gates 41546E Engine Auxiliary Water Pump - From Air Separator

Gates Electric Water Pump 41546E Overview

The Gates 41546E is an engine auxiliary electric water pump built for steady cooling-system performance in demanding driving conditions. It uses a plastic housing and plastic impeller, with an OE performance rating for direct replacement needs on select Buick LaCrosse, Buick Regal, and Chevrolet Malibu applications.

Gates Water Pump (Electric) products are part of the brand’s electric cooling line, created for vehicles that use electrically driven coolant circulation instead of a belt-driven pump. The 41546E is engineered to restore proper cooling and heating system operation while maintaining OE-quality fit for the listed applications.

Key Features

• Electric engine auxiliary water pump for generator cooling applications
• Plastic housing and plastic impeller for lightweight construction
• Standard impeller rotation
• Two outlet design
• Includes water pump and mounting bracket
• OE performance rating for factory-style replacement
• No back housing, pulley, or fan clutch included

Detailed Product Information

Built by Gates under the Water Pump (Electric) line, part number 41546E is intended for vehicles that rely on an auxiliary electric coolant pump to manage thermal control. This style of pump is increasingly used in modern cooling systems because it supports efficient coolant circulation without a mechanical drive connection. For drivers searching for a Gates 41546E electric water pump or an OE-style auxiliary coolant pump for Buick LaCrosse, Buick Regal, or Chevrolet Malibu, this unit matches the listed fitment and configuration details.

This part cross-references 941546E and 22965101 for the same application.

What This Pump Helps Address

• Loss of coolant circulation through the auxiliary cooling circuit
• Overheating concerns tied to a failing electric water pump
• Weak or inconsistent heater performance from reduced coolant flow
• Cooling-system fault codes related to auxiliary pump operation
• Noisy or inefficient pump operation in the generator cooling circuit

Installation Notes and Tips

• Verify the vehicle uses the From Air Separator position before ordering.
• Confirm connector, outlet layout, and mounting location against the original pump.
• Inspect hoses, seals, and electrical connections during replacement.
• Bleed the cooling system after installation to remove trapped air.
• Follow the vehicle service procedure for coolant refill and pump activation checks.

Quality Assurance

Gates manufactures this electric water pump with premium materials and OE performance standards in mind. The 41546E is built for durable operation and direct-fit replacement on the listed Buick and Chevrolet applications, including 2012-2016 Buick LaCrosse, 2012-2016 Buick Regal, and 2013-2014 Chevrolet Malibu.

• Fits 2012-2016 Buick LaCrosse, From Air Separator
• Fits 2012-2016 Buick Regal, From Air Separator
• Fits 2013-2014 Chevrolet Malibu, From Air Separator