8 0 Chevrolet SCHOOL BUS CHASSIS Electrical Parts $15 USD Quality used Baader Brown 6404-88-1920 Warning Flasher - School Bus Warning Lights for a type a bus. 12VDC, backed by our standard warranty. OEM # 6404881920, 6404-88-1920, 6404 88 1920... ConditionUsedStock NumberMW03-BB-640488-STK MLS Number12625127CategoryElectrical Misc. Parts Last Updated8/19/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info