Gasket Reed Block - Mercury / Mariner 200 / 300 HP (1978-1988, 1991-2004) OEM# 27-12775 | WSM 516-27-01

Gasket Reed Block Mercury / Mariner 200 / 300 Hp OEM# 27-12775

This WSM gasket reed block is a quality aftermarket replacement part designed for Mercury 6 Cyl 3.375 Bore 2.4L 200 and 3 other compatible models.

It replaces selected OEM reference numbers including 27-12775, 27-127751, 27-127752, 27-127753, 27-127754 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 30 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 516-27-01
• Product: Gasket Reed Block
• OEM Reference: 27-12775, 27-127751, 27-127752, 27-127753, 27-127754
• Application: Mercury 6 Cyl 3.375 Bore 2.4L 200 and 3 other compatible models

Product Fitment

This part is suitable for the following models:

• Mercury 6 Cyl 3.375 Bore 2.4L 200 – 1978
• Mercury 6 Cyl 3.375 Bore 2.4L 200 – 1979
• Mercury 6 Cyl 3.375 Bore 2.4L 200 – 1980
• Mercury 6 Cyl 3.375 Bore 2.4L 200 – 1981
• Mercury 6 Cyl 3.375 Bore 2.4L 200 – 1982
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 200 – 1982
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 200 – 1983
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 200 – 1984
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 200 – 1985
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 200 – 1986
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 200 – 1987
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 200 – 1988
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1991
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1992
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1993
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1994
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1995
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1996
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1997
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1998
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1999
• Mercury 6 Cyl S3000 Race 300 – 1996
• Mercury 6 Cyl S3000 Race 300 – 1997
• Mercury 6 Cyl S3000 Race 300 – 1998
• Mercury 6 Cyl S3000 Race 300 – 1999
• Mercury 6 Cyl S3000 Race 300 – 2000
• Mercury 6 Cyl S3000 Race 300 – 2001
• Mercury 6 Cyl S3000 Race 300 – 2002
• Mercury 6 Cyl S3000 Race 300 – 2003
• Mercury 6 Cyl S3000 Race 300 – 2004

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:

• Thermostat Mercury 7.5 - 250 Hp 72-06 OEM# 62981 – 775-25
• Ignition Coil Mercury / Mariner 6 - 300 Hp 72-07 OEM# 184-0001 – 376-5186
• Propeller Shaft Mercury / Mariner 105 - 225 Hp OEM# 44-94148 – 449-122
• Gasket Base Mercury / Mariner 105 - 220 Hp OEM# 27-99176 – 510-33

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