Sierra 18-4622 2 Ring .030 OS Bore Inline Piston Kit

Replaces OEM part #•MERCURY MARINE 780-9229A11For:40-50 Hp; 4 cyl.; 2.595/.030 boreContains: 18-4622 Piston -replaces O.E# 780-9229A1118-3968 Piston Ring - replaces O.E.# 39-18653A2Wrist Pin (Not Sold Separately)18-4294 Circlips - replaces O.E.# 40-52035