This is a genuine OEM engine coolant thermostat and gasket for Toyota and Lexus vehicles. The part number for this set is 90916-03093 and 16325-62010. It is a direct replacement for the 1992-2000 Lexus SC300, 2001-2005 Lexus IS300, 1993-2005 Lexus GS300, and 1993-1998 Toyota Supra. This set comes with a 6-month manufacturer warranty and features factory OEM fitment. The package quantity is one set/two pieces, and the item details include an OEM engine coolant thermostat and gasket. Please note that this item does not have universal fitment and is not a performance part. Contact us with VIN# if you are unsure of compatibility.