2 Ring Standard Bore Inline Piston Kit - 18-4623 - Sierra
Replaces OEM part #
- MERCURY MARINE 777-815965T4
- 70-115 HP, 3-4 Cyl., 3.375/Std bore
- 18-4623 Piston - replaces O.E.# 777-815965T4
18-3979 Piston Ring - replaces O.E.# 39-96170A12
Wrist Pin ( Not Sold Separately)
18-4294 Circlips - replaces O.E.# 40-52035
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