MERCURY & MARINER OUTBOARDS
Engine Year
Engine Model
Comprop

Size
(blade no. x dia x pitch)

Hub Size
1980 - 1985:
18 hp Mercury
M4021
M4023
4 x 10.5 x 11
4 x 10 x 13
10 tooth, 3" hub
1986 - thru: 20 hp Mercury
1980 - thru: 25 hp Mercury
1985 - thru: 20-25 hp Mariner
1980 - 1984: 25 hp Mariner
1976 - 1979: 28 hp Mariner
1979 - 1990: 30 hp Mariner
1994 - thru:
30 hp Mercury
M4321
M4323
4 x 10.5 x 11
4 x 10 x 13
13 tooth, 3.25" hub
1984 - 1989: 35 hp Mercury
1970 - 1973: 400-402-500/40-50 hp
1977 - thru: 40 - 50 hp Mercury
1986 - 1989: 45 hp Mercury
1995 - thru: 55 hp Mercury
1984 - thru: 60 hp Mercury
thru - 1983: 70 hp Mercury
1973 - thru: 30-35-40-45-48-50-6-65 hp
1965 - thru: 60-70-75-80-90-100-110-115-125-135-140-150 hp inline 4/6
M4545
M4547
M4549
4 x 13.5 x 15
4 x 12.8 x 17
4 x 12.7 x 19
15 tooth, 4" hub
thrust hub 13191A1
1987 - thru: 75-90 hp 3cyl
1988 - thru: XR4-XR6 150 hp
'88 thru Magnum II, III 150 hp
thrust hub 13191A1
1978 - thru: 135-150-175-200-225-300 hp
M4558
M4550
M4552
4 x 13.7 x 18
4 x 13.6 x 20
4 x 13.5 x 22
15 tooth, 4.5" hub
1991 - thru: XRi 150-175 hp