QSL9 Cummins Fuel Filter 3931063/FF5052 Parts Catalog Ref No. Part Name Part No. Required 1 Filter Head Adapter 3925954 1 2 Fuel Filter 3931063 1 Above is the introduction of the 3931063/FF5052 Cummins Fuel Filter, while if you need Fuel Filter 3931063/FF5052, complete Cummins engine or other Cummins product, please further consult our sales.