Gasket Thermostat Cover - Mercury / Mariner / Yamaha 8-70 HP (2000-2002, 2006-2008, 2010, 2012-2013, 2021-2022) OEM# 27-824853 | WSM 555-109

Gasket Thermostat Cover Mercury / Mariner / Yamaha 8 - 70 Hp OEM# 27-824853

This WSM gasket thermostat cover is a quality aftermarket replacement part designed for Mercury 2 Cyl 4 Stroke 13.5 and 25 other compatible models.

It replaces selected OEM reference numbers including 27-824853, 27-8248531, 62Y-12414-00-00, 6H3-12414-00-00, 6H3-12414-A1-00, 8M01777107, S18-0835 and is suitable for service, repair and rebuild work.

Key Features

• Quality replacement gasket designed for dependable sealing performance
• Ideal for service, repair and engine rebuild work
• Manufactured for fit, durability and reliable installation
• Compatible with 28 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 555-109
• Product: Gasket Thermostat Cover
• OEM Reference: 27-824853, 27-8248531, 62Y-12414-00-00, 6H3-12414-00-00, 6H3-12414-A1-00, 8M01777107, S18-0835
• Application: Mercury 2 Cyl 4 Stroke 13.5 and 25 other compatible models

Product Fitment

This part is suitable for the following models:

• Mercury 2 Cyl 4 Stroke 13.5 – All Years
• Mercury 2 Cyl 4 Stroke 15 – 1999-2006
• Mercury 2 Cyl 4 Stroke 25 – 1999-2008
• Mercury 2 Cyl 4 Stroke 8 – 1999-2006
• Mercury 2 Cyl 4 Stroke 9.9 – 1995-2006
• Mercury 3 Cyl 4 Stroke 30 – 1995-2006
• Mercury 3 Cyl 4 Stroke 40 – 1999-2010
• Mercury 4 Cyl 4 Stroke 45 – 1995-2013
• Mercury 4 Cyl 4 Stroke 50 – 1995-2001
• Mercury Mercury – 1995-2002
• Mercury 4 Cyl 4 Stroke Bigfoot 50 – 2001-2002
• Mercury 4 Cyl 4 Stroke EFI 40 – 1995-2000
• Mercury 4 Cyl 4 Stroke EFI 50 – 2002-2012
• Yamaha 4 Cyl 4 Stroke EFI 60 – 2002-2008
• Yamaha 2 Cyl 2.205 Bore 4 Stroke 15 – 2002-2008
• Yamaha 2 Cyl 4 Stroke 25 – 1998-2006
• Yamaha 2 Cyl 4 Stroke 9.9 – 1999-2021
• Yamaha 3 Cyl 2.834 Bore 60 – 2005-2007
• Yamaha 3 Cyl 2.834 Bore 70 – 1991-2006
• Yamaha 3 Cyl 4 Stroke 30 – 1984-2008
• Yamaha 3 Cyl 4 Stroke 40 – 2001-2022
• Yamaha 3 Cyl Jet 4 Stroke 40 – 2000-2021
• Yamaha 4 Cyl 4 Stroke 50 – 2002-2022
• Yamaha 4 Cyl 4 Stroke 60 – 1995-2022
• 4 Cyl 4 Stroke 70 – 2002-2021
• 4 Cyl Jet 4 Stroke 60 – 2010-2021
• 2004-2021
• 2000-2021

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:

• Thermostat Honda / Johnson / Mercury / Nissan / Yamaha 4 - 225 Hp 4-Stroke OEM# 18-43175 – 775-205
• Fuel Pump Mercury / Mariner / Yamaha 25 - 60 Hp 4-Stroke OEM# 62Y-24410-00-00 – 600-102
• Drain Plug Gasket Mercury / Mariner / Yamaha 2 - 350 / 500 - 700 - Pack of 50 OEM# 27-81987 – 555-10
• Drain Plug Gasket Mercury / Mariner / Yamaha 2 - 350 / 500 - 700 OEM# 27-81987 – 555-10-01

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