2 Ring .030 Os Bore Inline Piston Kit - 18-4622 - Sierra
Replaces OEM part #
- MERCURY MARINE 780-9229A11
- 40-50 Hp, 4 cyl., 2.595/.030 bore
- 18-4622 Piston -replaces O.E# 780-9229A11
18-3968 Piston Ring - replaces O.E.# 39-18653A2
Wrist Pin (Not Sold Separately)
18-4294 Circlips - replaces O.E.# 40-52035
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