Oil Seal Crankshaft - Mercury / Mariner 75-125 HP 1.5L Optimax (2012, 2014) OEM# 26-879635 | WSM 550-40T

Oil Seal Crankshaft Mercury / Mariner 75 - 125 Hp 1.5L Optimax 04-14 OEM# 26-879635

This WSM oil seal crankshaft is a quality aftermarket replacement part designed for Mariner 3 Cyl 3.6255 Bore 1.5L Optimax 115 and 5 other compatible models.

It replaces selected OEM reference numbers including 26-879635 and is suitable for service, repair and rebuild work.

Key Features

• Quality replacement component for service and rebuild work
• Designed for dependable fitment and durable performance
• Suitable for restoring smooth operation and reducing wear
• Compatible with 6 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 550-40T
• Product: Oil Seal Crankshaft
• OEM Reference: 26-879635
• Application: Mariner 3 Cyl 3.6255 Bore 1.5L Optimax 115 and 5 other compatible models

Product Fitment

This part is suitable for the following models:

• Mariner 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 – 2005-2014
• Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 90 – 2007-2014
• Mercury – 2004-2014

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:

• Piston Clips Mercury / Mariner 75 - 300 Hp 1.5L Optimax – 400-27
• Gasket Kit Powerhead Mercury / Mariner 75 - 125 Hp DFI 3 Cyl OEM# 27-879855A04 – 500-207
• Gasket Reed Mercury / Mariner 75 - 125 Hp 1.5L DFI OEM# 27-880122 – 516-52
• Gasket Thermostat Mercury / Mariner 75 - 125 Hp 3 Cyl 1.5L OEM# 27-879855001 – 540-24

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