1112820270 111282-0270 1-11282027-0 Ex200-5 6Bg1T Oil Radiator Core For Isuzu OEM Replacement Oil Cooler Core (P/N: 1112820270, 111282-0270, 1-11282027-0) designed for Hitachi EX200-5 excavators with Isuzu 6BG1T engines. This aircraft-grade aluminum/brass radiator core ensures optimal engine oil cooling under 45 PSI pressure, featuring leak-proof construction and direct bolt-on installation. ISO-certified for reliability with 24-month warranty.