Upper Main Bearing: Mercury / Mariner 150 - 200 Hp
OEM#: 31-74248, 31-74248T
Mariner ALL
Mercury 3 Cyl 2.955 Bore Looper 60 1991-1997
Mercury 6 Cyl 3.125 Bore 2L 135 1986-1989
Mercury 6 Cyl 3.125 Bore 2L 150 1978-1987
Mercury 6 Cyl 3.125 Bore 2L 175 1976-1981
Mercury 6 Cyl 3.375 Bore 2.4L 175 1981-1982
Mercury 6 Cyl 3.375 Bore 2.4L 200 1978-1982
Mercury 6 Cyl 3.375 Chrome Bore 2.4L 175 1983-1988
Mercury 6 Cyl 3.375 Chrome Bore 2.4L 200 1982-1988
