MerCruiser 571504AA Flame Arrestor Barbron Corp Rochester 120hp 140hp 2.5L 3.0L Pulley - Water Pump roughly 1979-1982 (Please see details

roughly 1979-1982 (Please see details below for exact fit)

Lower water pump housing plate

Item Details This is from an Evinrude Sportsman 1

Please inspect pictures closely as yours should look just like these as they used this type for a number of years and all the other types of trim arms look quite different (note that this style does not have a rigid external trim line running the lenght of the cylinder like the post-1982 models have)

pretty much all Cobra applications with the exception of 1990-1993 4

MerCruiser 571504AA Flame Arrestor Barbron Corp Rochester 120hp 140hp 2.5L 3.0L Pulley - Water Pump roughly 1979-1982 (Please see detailsItem Details Roughly 2 5 8" opening for Rochester Carburetors This will NOT fit MerCarb Carburetors which are a 3" Stamped 571504AA but should be the same as those stamped 571504A By deduction this should be MerCruiser 86270A1 Overall Good condition USCG Approved Part Numbers Included 86270A1 86270 Flame Arrestor Includes vent hose which may or may not be applicable to your application Compatibility This would have been used on Mercruiser 4cyl models