Some items from this specific schematic: Pinion,tachometer, Screw-pan-cros, Bolt-banjo, Gear,oil Pump,12t.
This OIL PUMP ('80-'81 A7/A8) assembly utilises five Spacer,8.3x13x1.0(s) - the highest specified component.
The Screw-pan-cros is the cheapest item from this partsfiche.