Gasket Kit Powerhead - Mercury / Mariner / Yamaha 75-115 HP 4 - Stroke (2003, 2005, 2015, 2021) OEM# 27-804345A2 | WSM 500-336

Gasket Kit Powerhead Mercury / Mariner / Yamaha 75 - 115 Hp 4-Stroke 99-21 OEM# 27-804345A2

This WSM gasket kit powerhead is a quality aftermarket replacement part designed for Mariner 4 Cyl 4 Stroke 115 and 9 other compatible models.

It replaces selected OEM reference numbers including 27-804345A2, 27-858732T01, 27-858732T02, 67F-W0001-00-00, 67F-W0001-01-00, 67F-W0001-02-00, 68V-W0001-00-00, 68V-W0001-02-00 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 12 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 500-336
• Product: Gasket Kit Powerhead
• OEM Reference: 27-804345A2, 27-858732T01, 27-858732T02, 67F-W0001-00-00, 67F-W0001-01-00, 67F-W0001-02-00, 68V-W0001-00-00, 68V-W0001-02-00
• Application: Mariner 4 Cyl 4 Stroke 115 and 9 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner 4 Cyl 4 Stroke 115 – All Years
• Mercury 4 Cyl 4 Stroke 100 – All Years
• Mercury 4 Cyl 4 Stroke 115 – 2001-2005
• Yamaha 4 Cyl 4 Stroke 75 – All Years
• Yamaha 4 Cyl 4 Stroke 80 – 1999-2003
• Yamaha 4 Cyl 4 Stroke 90 – 2000-2015
• Yamaha 4 Cyl Jet 4 Stroke 115 – 2003-2021
• Yamaha Yamaha – 1999-2003
• Yamaha 4 Cyl Jet 4 Stroke 90 – 2003-2021
• Yamaha – 2003-2015
• 2002-2003
• 2003-2021

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:

• Oil Seal Camshaft Mercury / Yamaha 75 - 350 Hp 4-Stroke 99-22 OEM# 26-804144 – 551-21
• Washer Fiber Mercury / Mariner / Yamaha 25 - 300 Hp 2 / 4-Stroke 84-21 OEM# 27-81990M – 515-46
• Head Plug Gasket Mercury / Mariner / Yamaha 25 - 300 Hp 84-21 OEM# 27-81990M – 555-78
• Grommet Crankcase Mercury / Yamaha 75 - 350 / 1000 / 1050 / 1100 / 1800 / 1900 OEM# 25-804086 – 527-19

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