Roller Bearing 42943A1 

Center Main Bearing replaces MerCruiser part # 42943A1

Fits:  

Bottom Guided Connecting Rod
70 HP 1987-89 serial number B110054-C221499
75 HP 1990-91 serial number C221500-D000750
80 HP 1987-89 serial number A966142-C221499
90 HP 1987-91 serial number B10054-D000750
100 HP 1988-91 serial number C100000 &up
115 HP 1989-91 serial number C100000-D000750
Top Guided Connecting Rod
100 HP 1992-00 serial number D082000 & up
90 Hp 1992-00 serial number D082000 & up
80 HP 1992-up serial number D082000 & up
75 HP 1992-97 serial number D082000 & up
70 HP 1992-00 serial number D082000 & up
115 HP 1992-00 serial number D082000 & up