Sierra 18-4623 2 Ring Standard Bore Inline Piston Kit

Replaces OEM part #•MERCURY MARINE 777-815965T4For:70-115 HP; 3-4 Cyl.; 3.375/Std boreContains:18-4623 Piston - replaces O.E.# 777-815965T418-3979 Piston Ring - replaces O.E.# 39-96170A12Wrist Pin ( Not Sold Separately)18-4294 Circlips - replaces O.E.# 40-52035