InMotion WU4078 Engine Water Pump

Engine Cooling Replacement for Mazda and Ford

The InMotion WU4078 engine water pump is built for direct-fit cooling system service on select Mazda and Ford applications. It uses a precision-machined impeller, durable bearings and seals, and a corrosion-resistant housing to support steady coolant circulation and leak-free operation.

Compatible With 2001-2003 Mazda Protege, 2002-2003 Mazda Protege5, 2001-2002 Mazda 626, 1993-1998 Mazda 626, 1993-1997 Ford Probe, and 1993-1997 Mazda MX-6. Part number WU4078 is a practical replacement for vehicles that need dependable engine cooling performance.

• Precision-machined impeller for consistent coolant flow
• High-quality bearings and seals for smooth operation
• Corrosion-resistant housing for long-term durability
• OEM-style fit for straightforward installation
• Direct replacement water pump for select Mazda and Ford models

Detailed Product Overview

InMotion WU4078 is an engine water pump designed to move coolant efficiently through the cooling system and help maintain stable operating temperatures. For drivers searching for a water pump for 2001-2003 Mazda Protege, a replacement water pump for 2002-2003 Mazda Protege5, or a cooling system part for 1993-1997 Ford Probe and 1993-1997 Mazda MX-6, this unit matches the listed applications and supports reliable everyday use. The WU4078 combines a machined impeller with sealed bearing construction and a corrosion-resistant body to address common wear points in cooling system service.

Common Problems This Part Can Address

• Coolant circulation loss from a worn pump
• Engine overheating caused by reduced coolant flow
• Coolant leaks from failing seals
• Noise or rough operation from worn bearings
• Cooling system service on high-mileage Mazda and Ford vehicles

Installation Notes and Tips

Before installation, verify the engine code and match the vehicle to the listed fitment. Replace coolant as needed, inspect the thermostat, hoses, and drive components, and clean the mounting surface before installing the new pump. Proper torque and gasket surface preparation help support a secure seal and reliable operation.

Quality Assurance

Built with durable internal components and a corrosion-resistant housing, the InMotion WU4078 is engineered for consistent cooling-system service on the listed applications. Part number WU4078 is intended as an OEM-fit replacement for select Mazda and Ford vehicles.