Sierra 18-4621, 2 Ring .015 Os Bore Inline Piston Kit
Price: $137.80
Save: $48.69
(26% Off $186.49)
Part # 18-4621
2nd Day Air for $2.99 More Eligible
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This item is found in the following Product Families
Replaces OEM part #
  • MERCURY MARINE 780-9229A10
    40-50 HP, 4 cyl, 2.580/.015 bore
    18-4621 Piston - replaces O.E.# 780-9229A10
    18-3967 Piston Ring - replaces O.E.# 39-18653A1
    Wrist Pin ( Not Sold Separately)
    18-4294 Circlips - replaces O.E.# 40-52035

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