Bosch 0392023014 Heater Water Pump

Bosch Engine Auxiliary Water Pump Overview

The Bosch Engine Auxiliary Water Pump, part number 0392023014, is a heater water pump built to original equipment specifications for precise fit and dependable operation. It is designed for vehicles that use an auxiliary coolant pump to circulate coolant through the heater circuit and related engine cooling paths.

With confirmed fitment for Jaguar XK, Jaguar XKR, Cadillac Escalade, Chevrolet Silverado 1500, Ford Fusion, and other listed applications, this Bosch auxiliary water pump supports accurate replacement selection for a wide range of OE-style repairs.

Key Features

• Bosch Engine Auxiliary Water Pump for heater circuit applications
• Part number 0392023014 for direct reference and ordering
• Built to meet original equipment specifications
• 100% tested for functionality before release
• Torque tested to verify impeller-to-shaft mating
• Vacuum leak tested to check sealing integrity
• Uses OE mating parts and accessories to verify fitment where re-used components apply

Detailed Product Description

Bosch designs this heater water pump as a new replacement component for vehicles that rely on an engine auxiliary water pump to move coolant through the heater system. The pump is tested for torque integrity and vacuum sealing, helping confirm proper impeller engagement and housing sealing before installation. Bosch also validates fitment with OE mating parts and accessories in applications where the isolator grommet and bracket are reused. The Bosch 0392023014 is a practical choice for service work on Jaguar XK and XKR models, as well as Cadillac Escalade, Chevrolet Silverado 1500, and Ford Fusion applications listed in the fitment data.

This part cross-references GM Genuine Parts 15846691 and 25880378 for the same application.

What It Is Used For

• Restoring heater coolant circulation when the auxiliary pump is no longer operating correctly
• Addressing weak or inconsistent cabin heat in vehicles using an engine auxiliary water pump
• Replacing a leaking heater water pump housing or seal area
• Correcting noise or poor pump performance caused by internal wear
• Supporting OE-style cooling system service on Jaguar XK, Jaguar XKR, and select GM and Ford models

Installation Notes and Tips

Review the vehicle-specific notes before installation, especially applications marked without holder or with OE bracket and isolator grommet reuse guidance. Confirm the pump orientation and coolant hose routing against the original unit before removal. On listed applications, fitment includes Jaguar XK and XKR models, Cadillac Escalade, Chevrolet Silverado 1500, Chevrolet Tahoe, GMC Sierra 1500, GMC Yukon, Ford Escape, Ford Fusion, Lincoln MKZ, Mercury Mariner, Mercury Milan, Chevrolet Malibu, Ford F-250 Super Duty, Ford F-350 Super Duty, Saturn Aura, Saturn Vue, and Jaguar XK8/XKR-S variants as shown in the fitment table.

Quality Assurance

Each Bosch auxiliary water pump is new, tested for proper function, torque checked for impeller-shaft engagement, and vacuum leak tested for sealing performance. Bosch uses OE-style validation methods to help ensure the replacement matches the original equipment application requirements.