Bluebird Bus Heater CoreBluebird Bus Heater Core 00063507, 108411 CORE WIDTH: 2 19 32'' CORE HEIGHT: 8'' FITTING INLET: 5 8'' FITTING OUTLET: 5 8'' CORE LENGTH: 14 35 64'' Can be installed on the following vehicles: BUS BLUEBIRD BUS OE# 00063507, 108411 OEM Numbers 00063507, 108411 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