Crank mechanism parts:
A - "5201" engine with Kugetfischer fuel injection system; A1 - engines of models "518", "520"; A2 - engines of models "525", "528".
1 - piston pin; 2 — connecting rod upper head bushing; 3 — piston; 4 — connecting rod and connecting rod cap; 5 — flywheel for vehicles with manual transmission; 6 — flywheel and drive flange of the automatic transmission "520A"; 7 — crankshaft flange; 8 — liners with cheeks of the middle main bearing.