This part was removed from a 1989 Bayliner Capri 21' Boat W OMC Ford 5.8L 351.  These parts are in good - used condition unless otherwise stated.  This was used in a freshwater environment.

This is a: Mercruiser Flame Arrestor Air Cleaner - This says Mercruiser on it, so I am assuming it was changed at some point, but it still fits fine -  

Inventory Control No: R16J-000