Gasket Poppet Valve - Mercury / Mariner / Yamaha 75-150 HP 4 - Stroke (2003, 2005-2006, 2014, 2021-2022) OEM# 27-804084 | WSM 541-31

Gasket Poppet Valve Mercury / Mariner / Yamaha 75 - 150 Hp 4-Stroke 99-22 OEM# 27-804084

This WSM gasket poppet valve is a quality aftermarket replacement part designed for Mariner 4 Cyl 4 Stroke 100 and 15 other compatible models.

It replaces selected OEM reference numbers including 27-804084, 67F-12435-A0-00 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 17 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 541-31
• Product: Gasket Poppet Valve
• OEM Reference: 27-804084, 67F-12435-A0-00
• Application: Mariner 4 Cyl 4 Stroke 100 and 15 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner 4 Cyl 4 Stroke 100 – All Years
• Mercury 4 Cyl 4 Stroke 115 – 2006
• Mercury 4 Cyl 4 Stroke 75 – 2001-2006
• Mercury 4 Cyl 4 Stroke 80 – 2000-2005
• Mercury 4 Cyl 4 Stroke 90 – 2006
• Mercury 4 Cyl 4 Stroke EFI 90 – 2000-2005
• Mercury 4 Cyl 4 Stroke 100 – 2006
• Yamaha 4 Cyl 4 Stroke 115 – 1999-2003
• Yamaha 4 Cyl 4 Stroke 150 – 2002-2014
• Yamaha Yamaha – 2004-2021
• Yamaha 4 Cyl 4 Stroke 80 – 2003-2021
• Yamaha 4 Cyl 4 Stroke 90 – 1999-2003
• Yamaha 4 Cyl Jet 4 Stroke 115 – 2003-2021
• Yamaha 4 Cyl Jet 4 Stroke 150 – 2002-2014
• Yamaha 4 Cyl Jet 4 Stroke 80 – 2016-2022
• 4 Cyl Jet 4 Stroke 90 – 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:

• Washer Fiber Mercury / Mariner / Yamaha 25 - 300 Hp 2 / 4-Stroke 84-21 OEM# 27-81990M – 515-46
• Grommet Sending Unit Mercury / Mariner / Yamaha 75 - 115 Hp 4-Stroke 00-21 OEM# 27-8042971 – 555-84
• Oil Seal Camshaft Mercury / Yamaha 75 - 350 Hp 4-Stroke 99-22 OEM# 26-804144 – 551-21
• Oil Seal Crankshaft Mercury / Mariner / Yamaha 75 - 115 Hp 4-Stroke 00-14 OEM# 26-804100003 – 551-22

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