OMC OEM GASKET,NEEDLE SEAT. ALSO AVAILABLE IN OVERHAUL KIT - PART NUMBER 381400 FOR155 HP,PART NUMBER 383615 FOR 80 HP.FOR HIGH ALTITUDEOPERATION USE HIGH ALTITUDE KIT - PART NUMBER 382131 FOR155 HP MODEL, AND USE HIGH ALTITUDE KIT - PART NUMBER 383614FOR 80 H - 0312422 | boats.net