The Koyo Radiator for the 01-05 Lexus IS300 provides exceptional value for you stock or track IS300. This all aluminum radiator is Nocolok brazed for strength and is designed to provide maximum cooling power while retaining the stock radiator location. This radiator fits like factory and retains stock fan shroud and fan mount locations with no engine modifications. This radiator is designed to fit manual transmission 01-05 Lexus IS300's only. Radiator cap is not included.