Gasket Head - Mercury / Mariner / Yamaha 30 / 40 HP 3 Cyl 4 - Stroke (2006, 2008) OEM# 27-834777 | WSM 506-29

Gasket Head Mercury / Mariner / Yamaha 30 / 40 Hp 3 Cyl 4-Stroke 99-08 OEM# 27-834777

This WSM gasket head is a quality aftermarket replacement part designed for Mariner 3 Cyl 4 Stroke 30 and 5 other compatible models.

It replaces selected OEM reference numbers including 27-834777, 67C-11181-01-00, 8M0118180 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 6 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 506-29
• Product: Gasket Head
• OEM Reference: 27-834777, 67C-11181-01-00, 8M0118180
• Application: Mariner 3 Cyl 4 Stroke 30 and 5 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner 3 Cyl 4 Stroke 30 – All Years
• Mercury 3 Cyl 4 Stroke 40 – 1999-2008
• Mercury 3 Cyl 4 Stroke 30 – 1999-2008
• Yamaha 3 Cyl 4 Stroke 40 – 2001-2006
• Yamaha 3 Cyl Jet 4 Stroke 40 – 2000-2008
• Yamaha – 2002-2008

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:

• Seal Cylinder Mercury / Mariner / Yamaha 30 / 40 Hp 4-Stroke 01-08 OEM# 25-854341 – 527-115
• Carburetor Kit Mercury / Mariner / Yamaha 25 - 40 Hp 4-Stroke OEM# 65W-W0093-00-00 – 600-13
• Thermostat Honda / Johnson / Mercury / Nissan / Yamaha 4 - 225 Hp 4-Stroke OEM# 18-43175 – 775-205
• Gasket Thermostat Cover Mercury / Mariner / Yamaha 8 - 70 Hp OEM# 27-824853 – 555-109

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