Check out any of the eighteen Oil Cooler components enlisted.
With all the components that make up the GSX1100EF 1986 (G) (E01 E02 E04 E15 E16 17 18 21 22 24 25 34 39) OIL COOLER assembly. The Gasket(14x20x1.5) (nas) is the most frequently specified with eight applications.