PF9908, A4720900451, A4720900551,A4720900651, FF122, K13834, FF1227, L5104F, WF10103. Detroit Diesel Engines DD13 12.8L/DD15 14.8L/DD16 15.6L Freightliner Sterling Western Star. The filter materrial has better strength, burst resistance and stiffness, the filter paper folding distance is more uniform.
