Fuel Filter - Mercury / Mercruiser 75-400 HP (2009-2010, 2012, 2014, 2018, 2021) OEM# 18-7981 | WSM 600-280

Fuel Filter Mercury / Mercruiser 75 - 400 Hp OEM# 18-7981

This WSM fuel filter is a quality aftermarket replacement part designed for Mercruiser 3 Cyl 3.6255 Bore 1.5L Optimax 115 and 21 other compatible models.

It replaces selected OEM reference numbers including 18-7981, 35-884380T, 35-8M0020349, 35-8M0060041, 35-8M0122423 and is suitable for service, repair and rebuild work.

Key Features

• Quality aftermarket replacement part from WSM
• Engineered for dependable fit, function and service life
• Designed for marine and powersports repair and maintenance
• Compatible with 24 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 600-280
• Product: Fuel Filter
• OEM Reference: 18-7981, 35-884380T, 35-8M0020349, 35-8M0060041, 35-8M0122423
• Application: Mercruiser 3 Cyl 3.6255 Bore 1.5L Optimax 115 and 21 other compatible models

Product Fitment

This part is suitable for the following models:

• Mercruiser 3 Cyl 3.6255 Bore 1.5L Optimax 115 – All Years
• Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 125 – 2004-2014
• Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 75 – 2006-2012
• Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 80 – 2004-2014
• Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 90 – 2007-2014
• Mercury 4 Cyl 4 Stroke 135 – 2004-2014
• Mercury 4 Cyl 4 Stroke 150 – 2006-2009
• Mercury 4 Cyl 4 Stroke 175 – 2006-2021
• Mercury 6 Cyl 3.2283 Bore Verado 350 – 2006-2014
• Mercury Mercury – 2009-2014
• Mercury 6 Cyl 3.6265 Bore 3L Optimax 200 – 2015-2018
• Mercury 6 Cyl 3.6265 Bore 3L Optimax 225 – 2003-2018
• Mercury 6 Cyl 3.6265 Bore 3L Optimax 250 – 2003-2018
• Mercury 6 Cyl 3.6265 Bore 3L Optimax 300 – 2004-2014
• Mercury 6 Cyl 3.6265 Bore 3L Pro XS 200 – 2015-2018
• Mercury 6 Cyl 3.6265 Bore 3L Pro XS 225 – 2007-2018
• Mercury 6 Cyl 3.6265 Bore 3L Pro XS 250 – 2004-2010
• Mercury 6 Cyl 4 Stroke 200 – 2006-2010
• Mercury 6 Cyl 4 Stroke 225 – 2005-2014
• Mercury 6 Cyl 4 Stroke 250 – 2005-2014
• 6 Cyl 4 Stroke 275 – 2005-2014
• 6 Cyl 4 Stroke 300 – 2005-2010
• 2007-2014
• 2005-2010

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:

• O-Ring Temperature Sensor Mercruiser / Mercury / Yamaha 30 - 350 Hp / 1000 / 1100 OEM# 25-805063 – 526-07
• Gasket Water Pump Force / Mercury / Mariner / Mercruiser 40 - 300 Hp OEM# 27-817277 – 447-329
• O-Ring Temperature Sensor Mercruiser / Mercury / Mariner 20 - 400 Hp 96-18 OEM# 25-62702 – 526-08
• Water Pump Impeller Mercruiser / Mercury / Mariner / Honda 30 - 350 Hp OEM# 19210-ZW1-003 – 700-155

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