Cylinder Piston Kit for 33 350 351 352 370 371 382 390 391 401 400 420 421 422 530012552 Fits chainsaw models 33, 350, 351, 352, 370, 371, 382, 390, 391, 401, 400, 420, 421, 422 and corresponds to part numbers 530012552, 530037935, 530012424, 530069720, 530071411, 530071579 Compatible with Type 1, 2, 3, 4, and 5 configurations Kit includes one cylinder, one piston, one piston pin, two piston rings, two circlips, and one service card