Aisin THT003 Engine Coolant Thermostat with Housing and Gasket

The Aisin THT003 is a complete engine coolant thermostat assembly that includes the thermostat, housing, and gasket for a direct OEM replacement installation. Designed specifically for Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra vehicles equipped with 4.0L V6 engines, this assembly helps maintain optimal engine operating temperature for improved performance and fuel efficiency.

Key Features:

• Complete assembly includes thermostat, housing, and gasket for convenient installation
• Precision-engineered to OEM specifications for proper fit and function
• High-quality construction ensures reliable temperature regulation
• Direct replacement design eliminates the need for modifications
• Helps prevent engine overheating and maintains proper coolant flow

Aisin is a trusted OEM supplier to Toyota, providing original equipment and aftermarket components that meet strict quality standards. This thermostat assembly is designed to restore proper cooling system operation and provide long-lasting, dependable performance.