№ Part Number Description Part count in models 4 236-1002023 Seal ring -6--6-6---- 5 236-1002024-А Upper seal ring -6--6-6---- 6 236-1002040 Anticavitation ring -6--6-6---- 18 236-1004055-Г2 Connecting rod cover -6--6-6---- 20 236-1004062-Б2 Connecting rod cover short bolt -6--6-6---- 19 236-1004063-Б2 Connecting rod cover long bolt -6--6-6---- 236-1004110-Б Piston insert (Unit/Part is not on the picture) -6--6-6---- 7 2531116594 Ring 150-155-25-2-5 -6--6-6---- 8 7511.1002021-01 Cylinder liner -6--6-6---- 15 7511.1004002 Set of piston rings -6--6-6---- 7511.1004005-01 Liner, piston, piston and sealing rings, set (Unit/Part is not on the picture) ------6---- 9 7511.1004005-10 Liner, piston, piston and sealing rings, set -6--6------ 3 7511.1004015-01 Piston assembly ------6---- 7511.1004015-10 Piston assembly (Unit/Part is not on the picture) -6--6------ 1 7511.1004020 Piston pin -6--6-6---- 2 7511.1004022 Thrust spring ring -12--12-12---- 14 7511.1004030 Piston compression upper ring -6--6-6---- 13 7511.1004032 Piston compression ring -6--6-6---- 12 7511.1004034 Oil control piston ring assy -6--6-6---- 11 7511.1004035 Oil control piston ring -6--6-6---- 10 7511.1004038 Oil control ring expander -6--6-6---- 21 7511.1004045-01 Connecting rod assembly -6--6-6---- 17 7511.1004050-01 Connecting rod -6--6-6---- 16 7511.1004052-11 Connecting rod bushing -6--6-6----