Manufacturer HELLA Distance from belt pulley to alternator [mm] : 9 Fitting Depth [mm] : 13,6 Outer Diameter [mm] : 66 for manufacturer number : 359V1-1 for manufacturer number : F-579125.XX Manufacturer Restriction : Denso Width [mm] : 40,4 Thread Size : M14x1,5 Inner Diameter [mm] : 17 Belt Pulley Ø [mm] : 60 Rotation Direction : Clockwise rotation Supplementary Article/Info 2 : with cap Number of grooves : 5 Assy./disassy. by qualified personnel required!