Gasket Base - Mercury 200-300 HP 2.5L (2004-2006) OEM# 27-823142 | WSM 510-38

Gasket Base Mercury 200 - 300 Hp 2.5L OEM# 27-823142

This WSM gasket base is a quality aftermarket replacement part designed for Mercury 6 Cyl 3.501 Bore 2.5L Pro Max 225 and 5 other compatible models.

It replaces selected OEM reference numbers including 27-823142, 27-8231422, 27-8231423, 8231423, S18-0378 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 6 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 510-38
• Product: Gasket Base
• OEM Reference: 27-823142, 27-8231422, 27-8231423, 8231423, S18-0378
• Application: Mercury 6 Cyl 3.501 Bore 2.5L Pro Max 225 and 5 other compatible models

Product Fitment

This part is suitable for the following models:

• Mercury 6 Cyl 3.501 Bore 2.5L Pro Max 225 – 2001-2006
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 200 – 1994-2004
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 210 – 2001-2006
• Mercury 6 Cyl 3.501 Bore 2.5L Sport Jet 240 – 2000-2005
• Mercury 6 Cyl S3000 Race 300 – 2000-2006
• Mercury – 1996-2004

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:

• Bolt Connecting Rod Mercury / Mariner 105 - 250 Hp Top Guided (12 Pack) OEM# 10-763491 – 805-210-12
• O-Ring End Cap Mercury / Mariner / Mercruiser 70 - 240 Hp OEM# 25-54029 – 526-18
• O-Ring End Cap Mercury / Mariner / Mercruiser 90 - 485 Hp OEM# 25-62700 – 526-19
• O-Ring Cylinder Head Mercury / Mariner 110 - 240 Hp V6 2.5L OEM# 25-8M0149612 – 526-26

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