530071321 Husqvarna Piston

530071321 Husqvarna Piston.  Comes with Piston, wrist pin, two clips, piston ring, and bearing.  Fits Poulan 3450 Gas Saw 3450 (p219), 3750 Gas Saw, 3750 (p219), PP330 Gas Saw Type 1, 330, PP30 Gas Saw Type 2 330.