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MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear

MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear
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MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear MerCruiser 424-3864 Camshaft Assembly 140hp 3.0L 181CID 4cyl GM 1972-1990 Gear
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Part Number(s) Included

  • MerCruiser 424-3864 Camshaft Assembly
    • GM 3937765 casting number (sometimes looks like 3937785 or 3937766)
    • OMC 908610 / 0908610 / Volvo Penta 3854262
  • MerCruiser 43-58283 Camshaft Timing Gear (Fiber)
    • OMC 908613 / 0908613 / Volvo Penta 385452

General Application / Compatibility

  • All MerCruiser 140hp 3.0L & 3.0LX 4cyl Applications 1972-Early 90's before MerCruiser/GM switched over to a Metal timing gear around the time of the 1-piece rear main engines (but this will still work in those applications as well).  This particular camshaft was used for pretty much the entirety of the GM 181 4cyl, but it is more anything before 1972 or around that time period that uses a different type of timing gear. 

Other Details

  • Freshwater Used Parts
  • Overall good condition

Purchase with confidence!

1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993

8937766 3937766 8987766


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