The Fel-Pro 35941 Coolant Thermostat is designed for select 1998-2010 Lexus and Toyota models, providing a reliable solution for engine cooling maintenance. With a 1-year manufacturer warranty, this thermostat is manufactured in the United States and comes with interchange part numbers 16341-50020 and C31701. The compact design with dimensions of 12.000" length, 8.000" width, and 0.100" height ensures a precise fit for optimal engine performance. Made by Fel-Pro, a trusted brand in automotive parts and accessories, this coolant thermostat is a dependable choice for your vehicle's cooling system.