Gasket Water Pump - Mercruiser / Yamaha 4.3 / 5.0 / 5.7L. 262 / 305 / 350 CI. OEM# 27-34897 | WSM 584-155

Gasket Water Pump Mercruiser / Yamaha 4.3 / 5.0 / 5.7L. 262 / 305 / 350 CI. OEM# 27-34897

This WSM gasket water pump is a quality aftermarket replacement part designed for Mercruiser and 1 other compatible model.

It replaces selected OEM reference numbers including 27-34897, 508587, S18-0891, YSG-37545-87-G0 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 2 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 584-155
• Product: Gasket Water Pump
• OEM Reference: 27-34897, 508587, S18-0891, YSG-37545-87-G0
• Application: Mercruiser and 1 other compatible model

Product Fitment

This part is suitable for the following models:

• Mercruiser – All Years
• Yamaha – All Years

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

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• Gasket Push Rod Cover Mercruiser GM 4 Cylinder OEM# 27-34208 – 581-903
• Gasket Set Intake Mercruiser 5.0 / 5.7L 305 / 350 CI. – 582-303

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