1551-145-21, 48-16546A46 Propeller For Mercury  Outboard Engines4.75" Gearcase90, 115HP Command Thrust 2014 & Newer135 HP 1987 & Newer, 150 HP 1978 & Newer175 HP 1978 & Newer, 200 HP 1978 & Newer220 HP 1987‑88, 225 HP 1980 & Newer225 HP SeaPro/Marathon All Years250‑400 HP 2 and 4‑Stroke 1990 and Newer3.4 Litre...1984-1986MERCRUISER STERNDRUVESMODELS 1S,1B,1C...-1982MODELS 120,140,145 DTS...-1982MODELS 165,228,470,485,888,898...-1982MODELS 225S,233,255TRS,260,280TS,330TRS...-1982MERCRUISER 120-260HP...1983-1985ALPHA ONE DRIVE (GEN.1&GEN.2 ALL MOTORS&HP)BRAVO ONE DRIVE (BRAVO ONE &BRAVO ONE X DRIVES ONLY)