The Bosch 2006209904 is a genuine Bosch pinion specifically designed for starter motors. This high-quality component features 9 precision-engineered teeth, an outer diameter of 28.5 mm, an inner diameter of 12 mm, and an overall length of 51 mm. It is engineered for reliable clockwise rotation, ensuring optimal engagement and performance within compatible starter motor assemblies. This Bosch pinion is crucial for maintaining the efficient starting function of various agricultural, construction, and industrial machinery.