Starter drive gear with roller freewheel, i.e. the pinion gear that engages the flywheel's starter ring gear when starting. Replaced when the teeth are worn or the freewheel slips.
OE/GM number: 1203156
Fits: Kapitän A, Admiral A, Blitz 1.9 t — 2.6 and 2.8 liter engines (2.8 S and 2.8 HL), Blitz with 2.6-liter engine from engine number 26 T-38001