2 Ring .015 OS Bore Inline Piston Kit - Sierra
Replaces OEM part #
- MERCURY MARINE 777-815965A5
- 70-115 HP, 3-4 Cyl, 3.390/.015 bore
- 18-4626 Piston - replaces O.E# 777-815965A5
18-3980 Piston Ring - replaces O.E.# 39-96170A3
Wrist Pin (Not Sold Separately)
18-4294 Circlips - replaces O.e.# 4052035
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