Gasket Exhaust - Mercury 40-60 HP 4 Stroke (2003, 2012) OEM# 27-857078 | WSM 523-50

Gasket Exhaust Mercury 40 - 60 Hp 4 Stroke OEM# 27-857078

This WSM gasket exhaust is a quality aftermarket replacement part designed for Mercury 4 Cyl 4 Stroke 50 and 2 other compatible models.

It replaces selected OEM reference numbers including 27-857078 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 3 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 523-50
• Product: Gasket Exhaust
• OEM Reference: 27-857078
• Application: Mercury 4 Cyl 4 Stroke 50 and 2 other compatible models

Product Fitment

This part is suitable for the following models:

• Mercury 4 Cyl 4 Stroke 50 – 1999-2003
• Mercury 4 Cyl 4 Stroke 60 – 2001-2003
• Mercury – 2002-2012

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 Kit Complete Force / Mercury / Mariner / Mercruiser 30 - 300 Hp OEM# 18-3570 – 750-155
• Water Pump Kit Complete Force / Mercury / Mariner 30 - 125 Hp OEM# 43026T9 – 750-156

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