Aisin THRGM-0013 Engine Coolant Thermostat Assembly

The Aisin THRGM-0013 is an OEM-quality engine coolant thermostat assembly designed to maintain precise engine operating temperatures. Aisin Automotive Casting Tennessee manufactures this component to original equipment specifications, ensuring a direct-fit replacement that matches the form, fit, and function of the factory part.

The thermostat regulates coolant flow between the engine and radiator, opening and closing in response to coolant temperature to keep the engine within its optimal thermal range. A properly functioning thermostat is essential for fuel efficiency, emissions compliance, and long-term engine health.

Key Features:

• Manufactured to OEM specifications by Aisin — a Tier 1 Toyota group supplier
• Precision-cast housing for reliable sealing and leak-free installation
• Calibrated opening temperature matches original equipment performance
• Direct-fit replacement — no modifications required
• Resists corrosion and thermal stress for long service life
• Includes thermostat and housing assembly as applicable

Aisin is one of the world's largest and most respected automotive parts manufacturers, supplying components directly to major OEMs. The THRGM-0013 delivers the confidence of genuine OEM engineering at a replacement part value.