Fit for the following engines:

MerCruiser Applications:
1968 - 1982 140 (GM 3.0L, 181 cid, Inline 4) 2508261 - 6229717
1983 - 1986 140 (GM 3.0L, 181 cid, Inline 4) 6229718 - 0B450800
1987 - 1989 3.0L (GM 3.0L, 181 cid, Inline 4) 0B450801 - 0C856558
1976 - 1984 470 (Merc 3.7L, 224 cid, Inline 4) 4208730 - 6916778
1980 - 1982 485 (Merc 3.7L, 224 cid, Inline 4) 5685394 - 6218036
1983 - 1984 488 (Merc 3.7L, 224 cid, Inline 4) 6170297 - 6916778
1967 - 1969 160 (GM 4.1L, 250 cid, Inline 6) 2048022 - 2770031
1970 - 1981 165 (GM 4.1L, 250 cid, Inline 6) 2770032 - 5813433
1969 200 (GM 4.1L, 250 cid, Inline 6) 2453769 - 2712072

OMC Applications:
1972 - 1973 100 (GM 2.5L, 153 cid, Inline 4)
1964 110 (GM 2.5L, 153 cid, Inline 4)
1965 - 1985 120 (GM 2.5L, 153 cid, Inline 4)
1973 - 1987 140 (GM 3.0L, 181 cid, Inline 4)