The Koyo radiator for 2008–2011 Lexus IS‑F 5.0L (automatic) is a direct-fit replacement radiator intended to restore or upgrade the vehicle's cooling system. Sized and specified for the IS‑F application, it provides the compatible core and connections needed during cooling system service or replacement to maintain proper engine operating temperatures.
Koyo 08-11 Lexus IS-F 5.0L (AT) Radiator