1980 International S2524 1.5 Ton; OE No. 168903-01 393352C1; EA1385; Superheat: 8;. 1981 International S2524 1.5 Ton; OE No. 168903-01 393352C1; EA1385; Superheat: 8;. 1982 International S2524 1.5 Ton; OE No. 168903-01 393352C1; EA1385; Superheat: 8;.