... Competitive Price 3, Professional Service Kobelco Excavator Hydraulic Cylinder, Piston Rod, Cylinder Head, Shaft Nut, Cushion Collar, Collar, ... , Cylinder barrel inner diameted (cylinder diameter)D3, Piston rod external diameter (rod diameter)d4, Locating distance L5, Travel S6, ... -88 High Quality Kobelco Excavator Hydraulic Cylinder, Piston Rod, Cylinder Head, Shaft Nut, Cushion Collar, Collar, ...