My Mercury O/B is a 4-cyl 4-stroke EFI 115 HP SaltWater version that came on a 2004 Trophy 1802WA. It needs a water pump rebuild kit (impeller, gasket, seal, ec.).
The iBoats store website only lists a water pump rebuild kit for a Mercury 6-cyl 115 HP motor, not for 4-cyl. I don't think it...