Master cylinders | 496 | O and K Brake Master Cylinders Diameter: 17.4 mm, inch: 11/16Brands: O and K Rif. 496 Sector Other Sectors Diameter 17.4 Applications O and K Request information for this product Related product Master Cylinders | 839 Ref. 839 Diameter 44.4 Applications Fiat 642 Master Cylinders | 999 Ref. 999 Diameter 44.4 Applications Only Revision... Master Cylinders | 998 Ref. 998 Diameter 50.8 Applications Industrial Applications