Gasket Head Cover - Mercury / Mariner 45 / 50 HP 4 Cyl (1985, 1987) OEM# 27-85487 | WSM 505-31

Gasket Head Cover Mercury / Mariner 45 / 50 Hp 4 Cyl 80-87 OEM# 27-85487

This WSM gasket head cover is a quality aftermarket replacement part designed for Mercury 4 Cyl 2.565 Bore Cross Flow 50 and 1 other compatible model.

It replaces selected OEM reference numbers including 27-85487 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: 505-31
• Product: Gasket Head Cover
• OEM Reference: 27-85487
• Application: Mercury 4 Cyl 2.565 Bore Cross Flow 50 and 1 other compatible model

Product Fitment

This part is suitable for the following models:

• Mercury 4 Cyl 2.565 Bore Cross Flow 50 – 1980-1987
• Mercury – 1981-1985

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:

• Water Pump Kit Complete Force / Mercury / Mariner / Mercruiser 30 - 300 Hp OEM# 18-3570 – 750-155
• Bolt Connecting Rod Force / Mercury / Mariner 20 - 150 Hp OEM# 10-91012 – 805-200
• Bolt Connecting Rod Force / Mercury / Mariner 20 - 150 Hp (4 Pack) OEM# 10-91012 – 805-200-04
• Bolt Connecting Rod Force / Mercury / Mariner 20 - 150 Hp (6 Pack) OEM# 10-91012 – 805-200-06

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