324937 OMC SEAL EXHAUST

OEM OMC Johnson/Evinrude gearcase-to-inner exhaust housing seal for 35-75 HP Johnson and Evinrude 2-stroke and ETEC engines manufactured 1979-2017. Seals the gap between the gearcase and exhaust cavity, preventing water and combustion gases from mixing. Cross-references to Sierra 18-2537, part 313656, and 86210. Essential for waterproofing the exhaust passage; replacement recommended during powerhead service or when exhaust leaking into lower unit occurs.