Bluebird Bus Heater CoreBluebird Bus Heater Core B280406, 01799024 CORE WIDTH: 3 1 2'' CORE HEIGHT: 8'' FITTING INLET: 5 8'' FITTING OUTLET: 5 8'' CORE LENGTH: 27 1 2'' Can be installed on the following vehicles: BUS BLUEBIRD BUS OE# 01799024, B280406 OEM Numbers B280406, 01799024 Specifications Product Condition: New 100% brand new and high quality. The product is the same size as the original part, and replacement is simple. One year warranty, shipped within 1 2 days and