Sierra 18-1197 Tapered Roller Bearing

Replaces OEM part #•MERCURY MARINE 31-828439A2 Fits: Mercury/Mariner 200 ( 3.0L DFI ); 225 ( 3.0L Carb) ; 225/250 ( 3.0L EFI ) Ser# G437999 & Below & Mercruiser Apha I Gen II (1996-97)(S/N OF680000-OK999999)