Power Master Cylinders | 679 | Master Cylinder 3 with Air Brake Booster Sector: , Construction machineryBrands: Caterpillar Rif. 679 Sector Construction machinery partsOther SectorsTruck spare parts Diameter Applications Caterpillar 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