• Thermostat Kit Johnson / Evinrude 65 - 140 Hp V4 Cross Flow 73-98 OEM# 18-3673
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Thermostat Kit - Johnson / Evinrude 65-140 HP V4 Cross Flow (1977-1998) OEM# 18-3673 | WSM 780-145

Thermostat Kit - Johnson / Evinrude 65-140 HP V4 Cross Flow (1977-1998) OEM# 18-3673 | WSM 780-145

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$84.00 AUD
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Thermostat Kit Johnson / Evinrude 65 - 140 Hp V4 Cross Flow 73-98 OEM# 18-3673

This WSM thermostat kit is a quality aftermarket replacement part designed for Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 and 7 other compatible models.

It replaces selected OEM reference numbers including 18-3673 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 76 listed fitments
  • Replaces selected OEM reference numbers listed below

Product Details

  • Brand: WSM
  • WSM Part Number: 780-145
  • Product: Thermostat Kit
  • OEM Reference: 18-3673
  • Application: Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 and 7 other compatible models

Product Fitment

This part is suitable for the following models:

  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1979
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1980
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1981
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1982
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1983
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1984
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1985
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1986
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1987
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1988
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1989
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1990
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1991
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1992
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1993
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1994
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1995
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1996
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 100 – 1997
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 110 – 1986
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 110 – 1987
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 110 – 1988
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 110 – 1989
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 112 – 1994
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 112 – 1995
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 112 – 1996
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 140 – 1977
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 140 – 1978
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 140 – 1979
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 140 – 1980
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 140 – 1981
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 140 – 1982
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 140 – 1983
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 140 – 1984
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 65 – 1991
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 65 – 1992
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 65 – 1993
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 65 – 1994
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 65 – 1995
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 65 – 1996
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 65 – 1997
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 80 – 1991
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 80 – 1992
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 80 – 1993
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 80 – 1994
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 80 – 1995
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 80 – 1996
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 80 – 1997
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1987
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1988
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1989
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1990
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1991
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1992
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1993
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1994
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1995
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 88 – 1996
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1981
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1982
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1983
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1984
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1985
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1986
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1987
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1988
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1989
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1990
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1991
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1992
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1993
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1994
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1995
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1996
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1997
  • Johnson/Evinrude 4 Cyl 3.500 Bore Cross Flow 90 – 1998

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.

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

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