Gasket Kit Powerhead - Mercury 35 / 40 HP 2 Cylinder (1983) OEM# 27-78028A78 | WSM 500-201

Gasket Kit Powerhead Mercury 35 / 40 Hp 2 Cylinder 72-86 OEM# 27-78028A78

This WSM gasket kit powerhead is a quality aftermarket replacement part designed for Mercury, Mercury 2 Cyl 2.875 Bore Cross Flow 40.

It replaces selected OEM reference numbers including 27-78028A78 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 1 listed fitment
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 500-201
• Product: Gasket Kit Powerhead
• OEM Reference: 27-78028A78
• Application: Mercury, Mercury 2 Cyl 2.875 Bore Cross Flow 40

Product Fitment

This part is suitable for the following models:

• Mercury, Mercury 2 Cyl 2.875 Bore Cross Flow 40 – 1984-1986, 1972-1983

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:

• Lower Unit Seal Kit Mercury 135 / 150 EFI 4 Stroke OEM# 26-8M0057716 – 446-129
• O-Ring Drive Shaft Oil Pump Mercury 75 / 450 Hp Verado 4 / 6 Cyl OEM# 25-8M0034912 – 526-37

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