Gasket Kit Powerhead - Mercury / Mariner 150 / 175 HP (1982, 1990) OEM# 27-11338A88 | WSM 500-234

Gasket Kit Powerhead Mercury / Mariner 150 / 175 Hp OEM# 27-11338A88

This WSM gasket kit powerhead is a quality aftermarket replacement part designed for Mariner 6 Cyl 3.375 Bore 2.4L 175 and 3 other compatible models.

It replaces selected OEM reference numbers including 27-11338A88 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: 500-234
• Product: Gasket Kit Powerhead
• OEM Reference: 27-11338A88
• Application: Mariner 6 Cyl 3.375 Bore 2.4L 175 and 3 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner 6 Cyl 3.375 Bore 2.4L 175 – All Years
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 175 – 1981-1982
• Mercury 6 Cyl 3.375 Steel Bore 2.4L XR-4 150 – 1983-1990
• Mercury – 1988-1990

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:

• Bearing Needles Mercury / Mariner 105 - 240 Hp Big Pin OEM# 29-822553 – 010-137-34
• Wires Ignition Set Mercury / Mariner 40 / 150 - 200 Hp W/O CDMs 70-88 – 368-200-09K
• Wires Ignition Mercury / Mariner 40 / 150 - 200 Hp 70-88 OEM# 813715A1 – 368-200-09
• Propeller Shaft Mercury / Mariner 105 - 225 Hp OEM# 44-94148 – 449-122

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