A sample from the products for the Oil Pump - Primary Drive Gear include: Sub Gear,primary, Valve,relief, Dowel,pin,8x14, Bolt Flange 6x14.
In this schematic the "Pin,knock" is used most often.
This schematic depicts all components used in the Cx500 1980 (a) General Export / Mph Oil Pump - Primary Drive Gear partslist.