.015 Os Bore V6 Piston Kit - 18-4637 - Sierra
Replaces OEM part #
- MERCURY MARINE 785-9737A10
- 140-200 HP, XR6/ MagIII,V-6 Cyl., 3.515/.015 (port)
- 18-4637 Piston - replaces O.E.# 785-9737A10
18-3983 Piston Ring - replaces O.E.# 39-822321A1
18-4287 Wrist Pin
Circlips ( Not Sold Separately)
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