I know these sort of questions have been asked 2 death!
So how about a sticky with all the part number listed?
Pls only post ones of things you have bought and fitted so you know there correct!
Ive been seaching the forum looking for them so ill start us off with what i found!
Crank Bearings [Set of 5] 026 198 491 A
Gudgeon Pin 052 105 431
Con Rod Bolt 052 105 425 A
Hex Nut [Rod Bolt] 052 105 427
Bearing [Rod to Crank] 031 105 701 A
Thrust Washers 026 198 421
Also get - 052 105 313. Its a bush that goes on the end of the crank between the flywheel.