OMC OEM GASKET,AIR HORN. 155 HP MODEL WITH ROCHESTER CARBURETOR #7026180 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 H - 0312415 | boats.net