Type Dosing Module, urea injection. HYUNDAI 296304A800. HYUNDAI H350 Bus 2.5 CRDI Bus Diesel 04/2015 06/2021 RWD 16 150 110. HYUNDAI H350 Bus 2.5 CRDI Bus Diesel 04/2015 06/2021 RWD 16 170 125. HYUNDAI H350 Platform/Chassis 2.5 CRDI Platform/Chassis Diesel 04/2015 06/2021 RWD 16 170 125.