Gates 43528 Engine Water Pump

Gates 43528 Water Pump for Toyota Cooling Systems

The Gates 43528 engine water pump is a standard replacement built for Toyota cooling system service. It uses a cast aluminum housing and a stamped steel impeller with standard rotation, making it a direct-fit option for select Toyota Tacoma, Tundra, 4Runner, and FJ Cruiser applications.

Gates Water Pump (Standard) components are built with premium alloy materials and are individually tested for seal and bearing function, plus leakage testing on the casting and assembled pump. This part cross-references Airtex AW6037 and Beck/Arnley 131-2315 for the same application.

Key Features

• Part number 43528 engine water pump
• Cast aluminum housing for durable cooling system service
• Stamped steel impeller with standard rotation
• Accessory belt driven design
• Includes water pump, 2 gaskets, and shroud/back plate
• No back housing, thermostat housing, fan clutch, or pulley included
• Single outlet configuration

Detailed Product Overview

This Gates water pump is intended for Toyota trucks and SUVs that use an accessory-belt-driven cooling system. It is a standard water pump replacement for 2005-2015 Toyota Tacoma, 2005-2011 Toyota Tundra, 2003-2009 Toyota 4Runner, and 2007-2009 Toyota FJ Cruiser applications. The Gates 43528 is built to OE-quality fit expectations and uses materials selected for consistent coolant circulation and long-term service.

What This Water Pump Helps Address

• Coolant circulation loss from a worn or leaking pump
• Overheating caused by reduced water pump performance
• Noise from failing pump bearings or seals
• Coolant seepage at the pump casting or gasket surfaces
• Service replacement on Toyota Tacoma, Tundra, 4Runner, and FJ Cruiser cooling systems

Installation Notes and Tips

Verify engine application, belt drive layout, and gasket surface condition before installation. This pump is not timing-belt driven and does not include a pulley, so reuse or replace related components as needed based on the vehicle setup. Clean the mounting surfaces thoroughly and follow the vehicle service procedure for coolant refill and bleeding after installation.

Quality Assurance

Gates manufactures this water pump with 100 percent functional testing of seals and bearings, along with 100 percent leakage testing of the casting and assembled unit. The result is a replacement water pump engineered for dependable cooling system service on select Toyota models.