IC Corp Bus Heater CoreIC Corp Bus Heater Core 108275, 2589571C1 CORE LENGTH: 22 1 2'' CORE HEIGHT: 10'' CORE WIDTH: 1 3 4'' OVERALL LENGTH: 27 3 4'' OVERALL HEIGHT: 10'' OVERALL THICKNESS: 5 1 2'' FITTING INLET: 7 8'' FITTING OUTLET: 7 8'' CORE WIDTH: 1 3 4'' CORE HEIGHT: 10'' FITTING INLET: 5 8'' FITTING OUTLET: 5 8'' CORE LENGTH: 22 3 4'' Can be installed on the following vehicles: BUS IC CORP BUS INTERNATIONAL NAVISTAR BUS International OE# 2589571C1, 108275 OEM Numbers