Master Cylinders | 839 Diameters: 44.4 mm Brands: Fiat 642 Rif. 839 Sector Vintage cars Diameter 44.4 Applications Fiat 642 Request information for this product Related product Master Cylinders | 999 Ref. 999 Diameter 44.4 Applications Only Revision... Master Cylinders | 998 Ref. 998 Diameter 50.8 Applications Industrial Applications Master Cylinders | 997 Ref. 997 Diameter 31.75 Applications Manitou