This JAS replacement pinion gear is engineered for use with Bosch KB starter assemblies providing reliable starter engagement and consistent performance. It is specified with 11 teeth and an overall length of 41 mm and rotates clockwise to match original equipment orientation. Designed as a direct style replacement this pinion is suitable for starter rebuilds and maintenance tasks. Please use the Parts Checker to confirm fitment with your specific vehicle application.

• 11 teeth tooth count for correct mesh with starter drive
• 41 mm overall length for accurate engagement depth
• Clockwise rotation orientation to match Bosch KB starters
• Precision manufactured for consistent tooth geometry and smooth operation
• Durable design to withstand repeated starter engagements

Intended for professional and DIY repairs this pinion assists in restoring reliable cranking and starter function. It is supplied to meet replacement needs for compatible Bosch KB units but fitment should always be verified prior to installation. If you require help confirming compatibility our customer service and parts team can assist with fitment guidance and install tips to ensure correct selection and performance.