Thermostat Gasket - 2GR
Thermostat housing seal. This is the seal around the thermostat itself.
Toyota Part Number 2GR: 16325-62010
Unless specified otherwise, parts are OEM-style replacements and intend for use with the original part numbers specification. Replacements are often unbranded OEM manufacturers, while other times they may be the same if not better quality aftermarket brands with slightly different designs/looks.