Gasket Head Cover - Mercury / Mariner 65-90 HP 3 Cyl (2004-2005) OEM# 27-430057 | WSM 505-27

Gasket Head Cover Mercury / Mariner 65 - 90 Hp 3 Cyl 94-05 OEM# 27-430057

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

It replaces selected OEM reference numbers including 27-430057 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 4 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 505-27
• Product: Gasket Head Cover
• OEM Reference: 27-430057
• Application: Mariner 3 Cyl 3.500 Bore Looper 75 and 3 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 – 1994-2005
• Mercury 3 Cyl 65 – 1994-2005
• Mercury – 1994-2004

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.

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• Water Pump Service Kit Honda / Mercury / Mariner 30 - 350 Hp OEM# 06192-ZW1-305 – 725-155
• Water Pump Kit Complete Force / Mercury / Mariner / Mercruiser 30 - 300 Hp OEM# 18-3570 – 750-155

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