Gates 43525 Engine Water Pump

Gates 43525 Engine Water Pump for Toyota

The Gates 43525 engine water pump is a standard replacement for select Toyota cooling systems, including 2010-2024 Toyota 4Runner, 2010-2014 Toyota FJ Cruiser, and 2012-2014 Toyota Tundra applications. Built with a cast aluminum housing and stamped steel impeller, it is engineered for dependable coolant circulation and OE-quality fit.

Key Features

• Cast aluminum housing for strength and corrosion resistance
• Stamped steel impeller for consistent coolant movement
• Reverse impeller rotation
• Accessory belt drive style
• Includes water pump, metal gasket, and 2 O-rings
• No back housing, thermostat housing, fan clutch, or pulley included
• Not timing belt driven

Product Details

Gates Water Pump (Standard) line components are built for straightforward replacement service on Toyota 4Runner, Toyota FJ Cruiser, and Toyota Tundra cooling systems. Part number 43525 is manufactured with premium alloy materials and tested for seal and bearing function, plus leakage testing on both the casting and assembled pump. The result is a direct-fit engine water pump for vehicles that use an accessory belt-driven, reverse-rotation design.

This part cross-references Dayco DP1833 for the same application.

Common Cooling System Issues It Can Address

• Coolant circulation problems caused by a worn pump
• Leaks from failing seals or casting surfaces
• Noisy operation from worn bearings
• Overheating related to reduced coolant flow
• Service replacement for a reverse-rotation accessory belt water pump

Installation Notes and Tips

Verify reverse impeller rotation and accessory belt drive configuration before installation. Replace the metal gasket and O-rings supplied with the pump, and inspect the belt drive components, hoses, and mating surfaces for wear or contamination. Confirm fitment by year, make, and model before service on Toyota 4Runner, Toyota FJ Cruiser, or Toyota Tundra applications.

Quality Assurance

Gates manufactures this water pump with premium alloy materials and performs 100 percent functional testing of seals and bearings, along with 100 percent leakage testing of the casting and assembled pump. Part number 43525 is built to deliver OE-quality fit for the listed Toyota applications.