2016 Lexus RC300 Engine: 3.5L V6;. 2017 Lexus RC300 Engine: 3.5L V6;. Compatible Years: 2016 2017. Part Type: Engine Coolant Outlet Gasket. Eng Coolant Gasket. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.