MerCruiser 4cyl 470 3.7L 190 190hp Rocker Valve Cover 41638A1 41637 1983-89 Crankshaft Generally Found on Johnson /

Generally Found on Johnson / Evinrude outboards on gearcases 1974-1994 on 9

the exhaust port on the Cobra gimbal housings had changed

Relevant / Equivalent Part Numbers (Typically found in the stamp

986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996

cylinder Two 2-Stroke (0B257925)

MerCruiser 4cyl 470 3.7L 190 190hp Rocker Valve Cover 41638A1 41637 1983-89 Crankshaft Generally Found on Johnson /Item Details Removed from a 1985 1986 MerCruiser 470 (190hp) S N A681323 Overall Good Condition, original paint Parts Included MerCruiser Cylinder Head Valve Rocker Cover 41638A1 (Stamped 41637) This particular one was only used on 2bbl models as well as the 4bbl models with the 98348 C1 intake manifolds as these had the provision on the top for a stud for the 4BBL carburetors The 488 models had a different valve cover, but could be replaced by this