Gasket Head - Mercury / Yamaha 9.9 / 15 HP 4 - Stroke (2006-2007) OEM# 66M-11181-00-00 | WSM 506-28

Gasket Head Mercury / Yamaha 9.9 / 15 Hp 4-Stroke 98-07 OEM# 66M-11181-00-00

This WSM gasket head is a quality aftermarket replacement part designed for Mercury 2 Cyl 2.205 Bore 4 Stroke 15 and 2 other compatible models.

It replaces selected OEM reference numbers including 66M-11181-00-00, 66M-11181-10-00, 850836, 8M0052705, S18-63966 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: 506-28
• Product: Gasket Head
• OEM Reference: 66M-11181-00-00, 66M-11181-10-00, 850836, 8M0052705, S18-63966
• Application: Mercury 2 Cyl 2.205 Bore 4 Stroke 15 and 2 other compatible models

Product Fitment

This part is suitable for the following models:

• Mercury 2 Cyl 2.205 Bore 4 Stroke 15 – All Years
• Yamaha 2 Cyl 4 Stroke 9.9 – 1998-2006
• Yamaha – 2005-2007

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 / Yamaha 9.9 / 15 Hp 4-Stroke 01-07 OEM# 66M-11356-00-00 – 527-110
• Fuel Pump Mercury / Mariner / Yamaha 8 - 15 Hp 4-Stroke OEM# 66M-24410-00-00 – 600-098
• Cable Adapter Suzuki / Yamaha 8 - 300 Hp / 1000 - 1900 01-25 OEM# 67275-94300 – 900-30200
• Rectifier / Regulator Yamaha 8 - 9.9 Hp 4-Stroke 01-17 OEM# 68T-81960-00 – 365-1962

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