Gasket Thermostat - Mercury / Mariner 65-125 HP (2000, 2005) OEM# 27-430068 | WSM 540-27

Gasket Thermostat Mercury / Mariner 65 - 125 Hp 99-05 OEM# 27-430068

This WSM gasket thermostat is a quality aftermarket replacement part designed for Mariner 3 Cyl 3.500 Bore Looper 75 and 7 other compatible models.

It replaces selected OEM reference numbers including 27-430068 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 8 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 540-27
• Product: Gasket Thermostat
• OEM Reference: 27-430068
• Application: Mariner 3 Cyl 3.500 Bore Looper 75 and 7 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner 3 Cyl 3.500 Bore Looper 75 – All Years
• Mercury 3 Cyl 3.500 Bore Looper 90 – 1999-2005
• Mercury 3 Cyl 65 – 1999-2005
• Mercury 4 Cyl 3.500 Bore Looper 100 – 1999-2005
• Mercury 4 Cyl 3.500 Bore Looper 115 – 1999-2000
• Mercury 4 Cyl 3.500 Bore Looper 125 – 1999-2005
• Mercury 4 Cyl Jet 80 – 1999-2005
• Mercury – 1999-2005

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:

• Water Pump Service Kit Honda / Mercury / Mariner 30 - 350 Hp OEM# 06192-ZW1-305 – 725-155
• Tilt Tube Stainless Steel Mercury / Mariner / Force 65 - 300 Hp OEM# 826125A1 – 986-165
• Lower Rod Bearing Mercury / Mariner 65 - 125 / 200 - 300 Hp OEM# 31-43012A04 – 010-151
• Rectifier Mercury / Mariner 30 - 210 Hp OEM# 815279A – 365-5279

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