INA 535009810 Alternator Freewheel Clutch. Manufacturer: Schaeffler INA. Quantity Per Package: 1. For manufacturer number: F-233608.01/.02/.03. Number of grooves: 6. Distance to first groove [mm]: 7. Width [mm]: 36.2. Diameter 1/Diameter 2 [mm]: 58,7/17,0. Supplementary Article/Info 2: Requires special tools for mounting. This part may be one of several choices listed for your vehicle. Vehicle manufacturers often fit one of several variations of alternator. The pulley you need will depend on which alternator is fitted.