Omix has all the parts and components you need to keep you Jeep's A/C and heater system functioning at its very best. With quality you can trust from a company that lives and breathes Jeep. This replacement heater core fits 72-77 CJ5, 72-75 CJ6 and 76-77 CJ7 models. Core measures 9.25-inches wide, 6-inches tall and 1.25-inches thick. Replaces OE 8125123