Gasket Kit Powerhead - Mercury / Mariner 150-200 HP 6 Cyl 2.5L EFI (2004, 2006, 2010) OEM# 27-815791A02 | WSM 500-230

Gasket Kit Powerhead Mercury / Mariner 150 - 200 Hp 6 Cyl 2.5L EFI OEM# 27-815791A02

This WSM gasket kit powerhead is a quality aftermarket replacement part designed for Mariner 6 Cyl 3.501 Bore 2.5L EFI 150 and 3 other compatible models.

It replaces selected OEM reference numbers including 27-815791A02 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 4 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 500-230
• Product: Gasket Kit Powerhead
• OEM Reference: 27-815791A02
• Application: Mariner 6 Cyl 3.501 Bore 2.5L EFI 150 and 3 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner 6 Cyl 3.501 Bore 2.5L EFI 150 – All Years
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 175 – 2000-2010
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 2000-2004
• Mercury – 2000-2006

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.

About the Mercury 135-200 HP Outboard Engines

Mercury and Mariner 135-200 HP outboard engines are widely used across recreational and performance boating applications. These engines have long-standing aftermarket support, making quality replacement gaskets, ignition, fuel and powerhead parts important for service and rebuild work.

You May Also Need

Browse related parts for compatible models:

• Powerhead Rebuild Kit Mercury / Mariner 105 - 200 Hp 6 Cyl 92-99 EFI .015 Over – 100-20-115
• Fuel Pump Mercury / Mariner 150 - 300 Hp 01-10 OEM# 881705T1 – 600-119
• Gasket Kit Powerhead Mercury / Mariner 135 - 200 Hp 6 Cyl 00-05 OEM# 27-815791A00 – 500-220
• Drain Plug Gasket Johnson / Evinrude / Mercury / Mariner / Mercruiser / Force / OMC 5 - 300 Hp OEM# 0307552 – 555-11

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