Cylinder Head Seal Compatible With Mercury Racing 280 Hp 2.5L V6 Efi Outboard Pro Max 225 Hp

OEM PART NUMBERS:
• 25-8M0149612 - Mercury/Quicksilver current active part number
• 8M0149612 - Mercury current active part number
• 8584521 - Mercury superseded by 8M0149612
• 849616 - Mercury Racing 280 ROS cylinder head jacket gasket
• 92-81554 - Mercury OEM interchange

SPECIFICATIONS:
• Product Type: Cylinder Head Water Jacket O-Ring Seal
• Also Known As: Spaghetti Seal, Head Gasket O-Ring
• Location: Between cylinder head and engine block water jacket
• Function: Seals cylinder head water jacket to prevent coolant leaks
• Engine: Mercury/Mariner 2.5L V6 2-Stroke
• Displacement: 2.5L (153 ci)
• Cylinders: 6 (V6 Configuration)
• Standard Bore: 3.501 inches
• Pro XS Bore: 3.6265 inches
• Compatible Fuel Systems: Carbureted, EFI, DFI/Optimax
• HP Range: 110 - 280 HP
• Year Range: 2000 - 2018
• Condition: New

FITS MERCURY 2.5L V6 2-STROKE OUTBOARD MODELS:
• 135 HP Carb (2000)
• 150 HP EFI (2000-2010)
• 175 HP EFI (2000-2004)
• 200 HP Carb (2000-2005)
• 200 HP EFI (2000-2006)
• XS 200 HP (2001-2006)
• Optimax 115 HP (2000)
• Optimax 135 HP (2000-2012)
• Optimax 150 HP (2000-2014)
• Optimax 175 HP (2001-2014)
• Pro Max 225 HP (2002-2004)
• Pro XS 150 HP (2010-2018)
• Pro XS 175 HP (2008-2018)
• Jet 110 HP (2006-2013)
• Jet 140 HP (2000-2005)
• Sport Jet 175 HP (2000-2006)
• Sport Jet 200 HP (2001-2006, 2010)
• Sport Jet 210 HP (2000-2005)
• Sport Jet 240 HP (2000-2006)
• Racing 280 HP EFI ROS
• All Mariner 2.5L V6 models by part number

NOTE:
• V6 engines require 2 seals (one per cylinder head) - order 2 if servicing both headsPRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
MERCURY OUTBOARD - 2.5L V6 2-STROKE (3.501 BORE):

135 HP:
• Mercury 6 Cyl 3.501 Bore 2.5L 135 HP - 2000

150 HP EFI:
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 150 HP - 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

175 HP EFI:
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 175 HP - 2000, 2001, 2002, 2003, 2004

200 HP:
• Mercury 6 Cyl 3.501 Bore 2.5L 200 HP - 2000, 2001, 2002, 2003, 2004, 2005
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 HP - 2000, 2001, 2002, 2003, 2004, 2005, 2006

XS 200 HP:
• Mercury 6 Cyl 2.5L XS 200 HP - 2001, 2002, 2003, 2004, 2005, 2006

OPTIMAX / DFI:
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 115 HP - 2000
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 135 HP - 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 150 HP - 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 175 HP - 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014

PRO MAX:
• Mercury 6 Cyl 3.501 Bore 2.5L Pro Max 225 HP - 2002, 2003, 2004

JET DRIVE:
• Mercury 6 Cyl 3.501 Bore 2.5L Jet 110 HP - 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
• Mercury 6 Cyl 3.501 Bore 2.5L Jet 140 HP - 2000, 2001, 2002, 2003, 2004, 2005

SPORT JET:
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 175 HP - 2000, 2001, 2002, 2003, 2004, 2005, 2006
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 200 HP - 2001, 2002, 2003, 2004, 2005, 2006, 2010
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 210 HP - 2000, 2001, 2002, 2003, 2004, 2005
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 240 HP - 2000, 2001, 2002, 2003, 2004, 2005, 2006

MERCURY OUTBOARD - 2.5L V6 2-STROKE (3.6265 BORE):

PRO XS:
• Mercury 6 Cyl 3.6265 Bore 2.5L Pro XS 150 HP - 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
• Mercury 6 Cyl 3.6265 Bore 2.5L Pro XS 175 HP - 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018

MERCURY RACING:
• Mercury Racing 280 HP 2.5L EFI ROS (Race Offshore)

MARINER:
• Applicable for all Mariner 2.5L V6 models - all years by part number