WK4001 Fuel Filter - main applications: MAN BUS (NEOMAN) HOCL/FOCL (Bus-Chassis), Lion's City / City C / L / LL (NL-Series), Lion's City G / GL / GLX (NG-Series). MAN TRUCK L2000 + L2000 Evolution, M2000 + M2000 Evolution. MERCEDES-BENZ LN2 / LK (673.001-679.259), MK (650.034-654.555), SK (621.