BK3Q-6A886-CC Engine System Crankcase Ventilation Hose for Ford Transit V348 The BK3Q-6A886-CC Crankcase Ventilation Hose is designed for the Ford Transit V348 with 4D22 diesel engine. It is an important component of the crankcase ventilation system, connecting the relevant engine ventilation components and helping direct crankcase gases through the ventilation system. A properly functioning crankcase ventilation hose helps maintain effective ventilation and reduces the risk