Fits 044 Ms440 Stihl Chainsaw Engine Motor Crankcase Cylinder Piston Crankshaft

1PC CRANKCASE(Replace OEM# 1128 020 2136, 1128 020 2122). 2PCS CRANKSHAFT MAIN BEARINGS BOTH SIDES. 1PC HIGH QUALITY CYLINDER PISTON 50mm BORE(With decompression hole).

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