Genuine SINOTRUK 201V12150-0002 hand oil pump for HOWO T7H, C7H & A7 trucks. OEM replacement for fuel system priming and lubrication. When your SINOTRUK HOWO won’t start after changing the oil filter or replacing fuel lines, the problem isn’t always the injection pump — more often than not, it’s just air trapped in the system. That’s where the 201V12150-0002 hand oil pump comes …