MerCruiser 571504AA Flame Arrestor Barbron Corp Rochester 120hp 140hp 2.5L 3.0L Pulley - Water Pump Works on all OMC Stringer

Works on all OMC Stringer Sterndrive upper units from 1968-1985

OMC Stringer GM V8 5

1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

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Lower water pump housing plate

MerCruiser 571504AA Flame Arrestor Barbron Corp Rochester 120hp 140hp 2.5L 3.0L Pulley - Water Pump Works on all OMC StringerItem 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