Analogs of : GM - 1604 Article Availability Price GM 1604 Substitutes Freewheel Gear, starter Inner Diameter: 12,5mmLength 1: 78mmNumber of Teeth: 9Outer Diameter 1: 48mmOuter Diameter 2: 29mmRotation Direction: Clockwise rotation ERA ZN1604 Substitutes Freewheel Gear, starter