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 97-01 Wrangler TJ and 97-01 Cherokee XJ models. Core features aluminum core construction, a 5/8-inch inlet, ¾-inch outlet and measures 8 x 7-3/8 x 1-1/4-inches thick. Replaces OE 4874045