Gasket Exhaust - Mercury / Mariner 80-125 HP 4 Cyl (1993, 2000, 2004-2006) OEM# 27-139581 | WSM 521-25

Gasket Exhaust Mercury / Mariner 80 - 125 Hp 4 Cyl 85-06 OEM# 27-139581

This WSM gasket exhaust is a quality aftermarket replacement part designed for Mariner 4 Cyl 3.375 Bore Looper 100 and 5 other compatible models.

It replaces selected OEM reference numbers including 27-139581 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: 521-25
• Product: Gasket Exhaust
• OEM Reference: 27-139581
• Application: Mariner 4 Cyl 3.375 Bore Looper 100 and 5 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner 4 Cyl 3.375 Bore Looper 100 – All Years
• Mercury 4 Cyl 3.500 Bore Looper 100 – 1985-1993
• Mercury 4 Cyl 3.500 Bore Looper 115 – 1999-2000
• Mercury 4 Cyl 3.500 Bore Looper 125 – 1999-2006
• Mercury 4 Cyl Jet 80 – 1999-2004
• Mercury – 1999-2005

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:

• Wires Ignition Set Mercury / Mariner 100-125 Hp L4 85-98 OEM# 84-813715A – 368-200-04K
• Water Pump Service Kit Honda / Mercury / Mariner 30 - 350 Hp OEM# 06192-ZW1-305 – 725-155
• Tilt Tube Stainless Steel Mercury / Mariner / Force 65 - 300 Hp OEM# 826125A1 – 986-165
• Fuel Filter / Oil Inline Mercury / Mariner 80 - 300 Hp OEM# 14991 – 600-301

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