Thermostat - Johnson / Evinrude / Mercury 200-250 HP (1999-2005) OEM# 18-3556 | WSM 775-115

Thermostat Johnson / Evinrude / Mercury 200 - 250 Hp OEM# 18-3556

This WSM thermostat is a quality aftermarket replacement part designed for Johnson/Evinrude 6 Cyl 3.685 Big Bore Looper 200 and 5 other compatible models.

It replaces selected OEM reference numbers including 18-3556, 5000355, 5001036, 765620, 895338, F97068-1, F97068-2 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 27 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 775-115
• Product: Thermostat
• OEM Reference: 18-3556, 5000355, 5001036, 765620, 895338, F97068-1, F97068-2
• Application: Johnson/Evinrude 6 Cyl 3.685 Big Bore Looper 200 and 5 other compatible models

Product Fitment

This part is suitable for the following models:

• Johnson/Evinrude 6 Cyl 3.685 Big Bore Looper 200 – 1999
• Johnson/Evinrude 6 Cyl 3.685 Big Bore Looper 200 – 2000
• Johnson/Evinrude 6 Cyl 3.685 Big Bore Looper 200 – 2001
• Johnson/Evinrude 6 Cyl 3.685 Big Bore Looper 250 – 1999
• Johnson/Evinrude 6 Cyl 3.685 Big Bore Looper 250 – 2000
• Johnson/Evinrude 6 Cyl 3.685 Big Bore Looper 250 – 2001
• Johnson/Evinrude 6 Cyl 3.685 Finger Port Looper 225 – 1999
• Johnson/Evinrude 6 Cyl 3.685 Finger Port Looper 225 – 2000
• Johnson/Evinrude 6 Cyl 3.685 Finger Port Looper 225 – 2001
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 200 – 2000
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 200 – 2001
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 200 – 2002
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 200 – 2003
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 200 – 2004
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 200 – 2005
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 225 – 2000
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 225 – 2001
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 225 – 2002
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 225 – 2003
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 225 – 2004
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 225 – 2005
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 250 – 2000
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 250 – 2001
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 250 – 2002
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 250 – 2003
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 250 – 2004
• Johnson/Evinrude 6 Cyl 3.854 Bore Ficht 3.3 Liter 250 – 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:

• Gasket Reed Johnson / Evinrude 120 - 300 Hp 86-05 OEM# 0332266 – 515-28
• Wrist Pin Bearing Johnson / Evinrude 120 - 300 Hp Looper OEM# 0348495 – 010-141
• Gasket Rectifier Johnson / Evinrude 120 - 300 Hp 85-14 OEM# 0330412 – 540-03
• Gasket Intake Johnson / Evinrude 120 - 300 Hp 85-05 OEM# 0328622 – 515-24

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