O - Ring Temperature Sensor - Mercruiser / Mercury / Mariner 20-400 HP (1998, 2000, 2002, 2004-2006, 2008, 2010, 2012-2015, 2017-2018) OEM# 25-62702 | WSM 526-08

O-Ring Temperature Sensor Mercruiser / Mercury / Mariner 20 - 400 Hp 96-18 OEM# 25-62702

This WSM o-ring temperature sensor is a quality aftermarket replacement part designed for Mariner Alpha One Gen II 260 and 48 other compatible models.

It replaces selected OEM reference numbers including 25-62702, 25-627021, 62702, 627021, F50342 and is suitable for service, repair and rebuild work.

Key Features

• Quality aftermarket replacement part from WSM
• Engineered for dependable fit, function and service life
• Designed for marine and powersports repair and maintenance
• Compatible with 51 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 526-08
• Product: O-Ring Temperature Sensor
• OEM Reference: 25-62702, 25-627021, 62702, 627021, F50342
• Application: Mariner Alpha One Gen II 260 and 48 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner Alpha One Gen II 260 – All Years
• Mercruiser Bravo One 350 300 – 1996-1998
• Mercruiser Bravo Three 350 300 – 1996-1998
• Mercruiser Bravo Two 350 300 – 1996-1998
• Mercruiser Zeus STB – 1996-1998
• Mercruiser 2 Cyl 4 Stroke 25 – All Years
• Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 115 – 2002-2006
• Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 125 – 2004-2014
• Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 75 – 2006-2012
• Mercury Mercury – 2004-2014
• Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 90 – 2006-2014
• Mercury 3 Cyl 3.6255 Bore Pro XS 115 – 2004-2014
• Mercury 3 Cyl 4 Stroke 30 – 2010-2015
• Mercury 3 Cyl 4 Stroke 40 – 1999-2008
• Mercury 4 Cyl 4 Stroke 40 – 1999-2013
• Mercury 4 Cyl 4 Stroke 50 – 2001-2002
• Mercury 4 Cyl 4 Stroke 60 – 2001-2002
• Mercury 4 Cyl 4 Stroke EFI 40 – 2001-2002
• Mercury 4 Cyl 4 Stroke EFI 50 – 2002-2008
• Mercury 4 Cyl 4 Stroke EFI 60 – 2002-2008
• Mercury 6 Cyl 2.5L XS 200 – 2002-2008
• Mercury 6 Cyl 3.2283 Bore Verado 350 – 2001-2006
• Mercury 6 Cyl 3.2283 Bore Verado 400 – 2009-2014
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 150 – 2015-2018
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 175 – 2002-2010
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 2002-2004
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 115 – 2002-2006
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 135 – 2000
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 150 – 2000-2004
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 175 – 2000-2004
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 200 – 2001-2004
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 210 – 2001-2006
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 240 – 2000-2005
• Mercury 6 Cyl 3.625 Bore 3L EFI 200 – 2000-2006
• Mercury 6 Cyl 3.625 Bore 3L EFI 225 – 2003-2004
• Mercury 6 Cyl 3.625 Bore 3L EFI 250 – 2002-2004
• Mercury 6 Cyl 3.625 Bore 3L Pro Max 300 – 2002-2004
• Mercury 6 Cyl 3.6265 Bore 3.2L XS 300 – 2001-2005
• Mercury 6 Cyl 3.6265 Bore 3L Optimax 200 – 2006-2017
• Mercury 6 Cyl 3.6265 Bore 3L Optimax 225 – 2000-2018
• Mercury 6 Cyl 3.6265 Bore 3L Optimax 250 – 2000-2018
• Mercury 6 Cyl 3.6265 Bore 3L Pro XS 200 – 2003-2014
• Mercury 6 Cyl 3.6265 Bore 3L Pro XS 225 – 2015-2018
• Mercury 6 Cyl 3.6265 Bore 3L Pro XS 250 – 2007-2018
• Mercury 6 Cyl 4 Stroke 200 – 2005-2018
• 6 Cyl 4 Stroke 250 6 Cyl 4 Stroke 225 – 2006-2018
• Mercury 6 Cyl 4 Stroke 250 – 2008-2014
• Mercury 6 Cyl 4 Stroke 275 – 2008-2014
• 6 Cyl 4 Stroke 300 – 2008-2014
• 2008-2010
• 2007-2014

Why Buy WSM

WSM is a trusted manufacturer of aftermarket marine and powersports parts, known for dependable quality, strong fitment coverage and workshop-ready replacement components.

You May Also Need

Browse related parts for compatible models:

• Gasket Water Pump Force / Mercury / Mariner / Mercruiser 40 - 300 Hp OEM# 27-817277 – 447-329
• Fuel Pump Sleeve Mercury / Mariner 30 - 300 Hp OEM# 23-855428 – 600-113-01
• Wires Ignition Mercury / Mariner 30 - 300 Hp CDM 99-18 OEM# 84-821945T65 – 368-7126
• O-Ring Oil Pump Mercruiser / Mercury / Mariner 30 - 300 Hp 90-21 OEM# 25-48462 – 526-22

Please use the fitment guide, OEM references and images to confirm this is the correct part before ordering.