Gasket Base - Mercury / Mariner 105-220 HP (1981-1982, 1990-1992, 1998-2000, 2004-2006, 2010, 2012-2014, 2018) OEM# 27-99176 | WSM 510-33

Gasket Base Mercury / Mariner 105 - 220 Hp OEM# 27-99176

This WSM gasket base is a quality aftermarket replacement part designed for Mariner 6 Cyl 3.125 Bore 2L 135 and 23 other compatible models.

It replaces selected OEM reference numbers including 27-99176, 27-991762, 27-991763, 27-991764 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 26 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 510-33
• Product: Gasket Base
• OEM Reference: 27-99176, 27-991762, 27-991763, 27-991764
• Application: Mariner 6 Cyl 3.125 Bore 2L 135 and 23 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner 6 Cyl 3.125 Bore 2L 135 – All Years
• Mercury 6 Cyl 3.125 Bore 2L 150 – 1990-2000
• Mercury 6 Cyl 3.125 Bore 2L 175 – 1990-2005
• Mercury 6 Cyl 3.375 Bore 2.4L 175 – 1976-1981
• Mercury 6 Cyl 3.375 Bore 2.4L 200 – 1981-1982
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 175 – 1978-1982
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 200 – 1983-1999
• Mercury 6 Cyl 3.375 Chrome Bore 2.4L 220 – 1982-1990
• Mercury 6 Cyl 3.375 Steel Bore 2.4L XR-4 150 – 1987-1991
• Mercury Mercury – 1988-1990
• Mercury 6 Cyl 3.501 Bore 2.5L 200 – 1991-1992
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 150 – 1991-2005
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 175 – 1992-2010
• Mercury 6 Cyl 3.501 Bore 2.5L EFI 200 – 1989-2004
• Mercury 6 Cyl 3.501 Bore 2.5L Jet 105 – 1989-2006
• Mercury 6 Cyl 3.501 Bore 2.5L Jet 110 – 1992-1999
• Mercury 6 Cyl 3.501 Bore 2.5L Jet 140 – 2006-2013
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 115 – 1992-2005
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 135 – 2000
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 150 – 1998-2012
• Mercury 6 Cyl 3.501 Bore 2.5L Optimax 175 – 1998-2014
• Mercury 6 Cyl 3.501 Bore 2.5L XR6 150 – 2001-2014
• 6 Cyl 3.6265 Bore 3L Pro XS 150 – 1992-1998
• 6 Cyl 3.6265 Bore 3L Pro XS 175 – 2010-2018
• 2008-2018
• 2001-2014

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:

• Propeller Shaft Mercury / Mariner 105 - 225 Hp OEM# 44-94148 – 449-122
• O-Ring End Cap Mercury / Mariner / Mercruiser 70 - 240 Hp OEM# 25-54029 – 526-18
• Divider Plate Seal Mercury / Mariner 105 - 240 Hp 76-18 OEM# 26-814754 – 540-35
• Gasket Cork Mercury 105 - 300 Hp OEM# 27-11338 – 540-30

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