Aisin WPZ-743 Engine Water Pump

Aisin WPZ-743 Engine Water Pump

The Aisin WPZ-743 is an Ultra-Premium OE Replacement engine water pump built for a wide range of Ford, Mazda, Lincoln, Volvo, and Land Rover applications. It uses an aluminum die-cast construction from a leading water pump manufacturer, giving you an OE-style cooling system service part for vehicles such as the Ford Escape, Mazda 3, and Ford Focus.

Key Features

• Aluminum die-cast water pump construction
• Ultra-Premium OE Replacement line from Aisin
• Standard replacement grade for routine cooling system service
• Standard impeller rotation
• No pulley included
• No mounting hardware included
• No fan clutch included
• Installation warnings noted by the manufacturer

Product Details

Aisin WPZ-743 is engineered as an OE-style engine water pump for vehicles that rely on consistent coolant circulation to maintain operating temperature. The aluminum die-cast housing supports durability in demanding cooling system environments, while the standard impeller rotation matches the original application design. This part number is commonly selected for Ford Escape, Ford Focus, Mazda 6, Mazda CX-7, and related applications where direct-fit cooling system service is required. The WPZ-743 also cross-references Airtex AW4126 for the same application.

The Aisin Ultra-Premium OE Replacement line focuses on factory-style fit and function for maintenance and repair work. For drivers searching for a Ford Escape water pump, Mazda 3 water pump, or Ford Focus engine water pump, this part number provides a direct replacement option across many model years and engine cooling configurations.

Common Problems This Part Can Address

• Coolant leakage from a worn water pump housing or seal
• Overheating caused by reduced coolant circulation
• Noise from a failing pump bearing or impeller assembly
• Cooling system service needs during timing or front-engine maintenance
• Temperature instability in high-mileage Ford, Mazda, Lincoln, Volvo, or Land Rover applications

Installation Notes and Tips

Confirm vehicle-specific fitment before installation, since this part fits many applications including 2005-2019 Ford Escape, 2003-2018 Ford Focus, 2003-2013 Mazda 6, and 2004-2013 Mazda 3. The WPZ-743 does not include a pulley or mounting hardware, so reuse or source the required related components as needed for the repair. Follow the manufacturer’s installation warnings and inspect the cooling system, gasket surfaces, hoses, and coolant condition before completing service.

Quality Assurance

Aisin manufactures this water pump as an OE-style replacement component using aluminum die-cast construction and standard replacement specifications. The WPZ-743 is part of Aisin’s Ultra-Premium OE Replacement line, built for direct-fit cooling system service across confirmed Ford, Mazda, Lincoln, Volvo, and Land Rover applications.