MerCruiser 571504AA Flame Arrestor Barbron Corp Rochester 120hp 140hp 2.5L 3.0L Pulley - Crankshaft Generally used 1983-1986 on GM

Generally used 1983-1986 on GM 4

) GM 262 V-6 1988-1992 0B773243 THRU 0D714106

but still had fuel in it during disassembly

Make sure to measure your inlet / outlet diameter as the smaller ones were 1" (99356A1)

MerCruiser 571504AA Flame Arrestor Barbron Corp Rochester 120hp 140hp 2.5L 3.0L Pulley - Crankshaft Generally used 1983-1986 on GMItem 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