This Integra GSR THERMOSTAT HOUSING is a genuine Acura Honda part, with OE/OEM Part Number 19320-P72-010. Made in Japan, it is designed for durability and has been tested for quality. The best part about this thermostat housing is that it requires no drilling or modifications for installation, making it an easy replacement for your old or damaged housing. It is compatible with B18C1 engines, and is a must-have for anyone in need of a reliable and long-lasting part for their vehicle's engine cooling system.