Thermostat Kit - Johnson / Evinrude / Mercury / Mariner / Nissan / Tohatsu 4-30 HP 4 - Stroke (1999-2006, 2012-2015) OEM# 18-43175 | WSM 775-205K

Thermostat Kit Johnson / Evinrude / Mercury / Mariner / Nissan / Tohatsu 4 - 30 Hp 4-Stroke OEM# 18-43175

This WSM thermostat kit is a quality aftermarket replacement part designed for Johnson/Evinrude 1 Cyl 4Stroke 4 and 12 other compatible models.

It replaces selected OEM reference numbers including 18-43175, 27-853702005, 5040066 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 45 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 775-205K
• Product: Thermostat Kit
• OEM Reference: 18-43175, 27-853702005, 5040066
• Application: Johnson/Evinrude 1 Cyl 4Stroke 4 and 12 other compatible models

Product Fitment

This part is suitable for the following models:

• Johnson/Evinrude 1 Cyl 4Stroke 4 – 2013
• Johnson/Evinrude 1 Cyl 4Stroke 4 – 2014
• Johnson/Evinrude 1 Cyl 4Stroke 4 – 2015
• Johnson/Evinrude 1 Cyl 4Stroke 6 – 2012
• Johnson/Evinrude 1 Cyl 4Stroke 6 – 2013
• Johnson/Evinrude 2 Cyl 4 Stroke 15 – 2012
• Johnson/Evinrude 2 Cyl 4 Stroke 15 – 2013
• Johnson/Evinrude 2 Cyl 4 Stroke 15 – 2014
• Johnson/Evinrude 2 Cyl 4 Stroke 15 – 2015
• Johnson/Evinrude 2 Cyl 4 Stroke 9.8 – 2012
• Johnson/Evinrude 2 Cyl 4 Stroke 9.8 – 2013
• Johnson/Evinrude 2 Cyl 4 Stroke 9.8 – 2014
• Johnson/Evinrude 2 Cyl 4 Stroke 9.8 – 2015
• Mercury -18 – 2002
• Mercury -18 – 2003
• Mercury -18 – 2004
• Mercury 1 Cyl 4 Stroke 4 – 1999
• Mercury 1 Cyl 4 Stroke 4 – 2000
• Mercury 1 Cyl 4 Stroke 4 – 2001
• Mercury 1 Cyl 4 Stroke 4 – 2002
• Mercury 1 Cyl 4 Stroke 4 – 2003
• Mercury 1 Cyl 4 Stroke 4 – 2004
• Mercury 1 Cyl 4 Stroke 4 – 2005
• Mercury 1 Cyl 4 Stroke 4 – 2006
• Mercury 1 Cyl 4 Stroke 5 – 1999
• Mercury 1 Cyl 4 Stroke 5 – 2000
• Mercury 1 Cyl 4 Stroke 5 – 2001
• Mercury 1 Cyl 4 Stroke 5 – 2002
• Mercury 1 Cyl 4 Stroke 5 – 2003
• Mercury 1 Cyl 4 Stroke 5 – 2004
• Mercury 1 Cyl 4 Stroke 5 – 2005
• Mercury 1 Cyl 4 Stroke 5 – 2006
• Mercury 1 Cyl 4 Stroke 6 – 1999
• Mercury 1 Cyl 4 Stroke 6 – 2000
• Mercury 1 Cyl 4 Stroke 6 – 2001
• Mercury 1 Cyl 4 Stroke 6 – 2002
• Mercury 1 Cyl 4 Stroke 6 – 2003
• Mercury 1 Cyl 4 Stroke 6 – 2004
• Mercury 1 Cyl 4 Stroke 6 – 2005
• Mercury 1 Cyl 4 Stroke 6 – 2006
• Mercury 2 Cyl 4 Stroke 15 – 19992004
• Mercury Mercury – 2006
• Mercury 2 Cyl 4 Stroke 25 – 2004
• 2 Cyl 4 Stroke 8 – 2005
• 2 Cyl 4 Stroke 9.9 – 2005

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 Thermostat Johnson / Evinrude / Mercury / Mariner / Nissan / Tohatsu 4 - 30 Hp 4-Stroke OEM# 27-853702 – 515-65
• Water Pump Impeller Johnson / Mercury / Nissan / Tohatsu 2 - 6 / 25 - 50 Hp OEM# 18-3098 – 700-345
• Fuel Filter Evinrude / Honda / Mercury / Mariner / Nissan / Tohatsu 4 - 100 Hp Inline OEM# 16910-GB2-005 – 600-273
• Fuel Pump Evinrude / Mercury / Tohatsu 4 - 30 Hp 4-Stroke 04-18 OEM# 3H6040003 – 600-095

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