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Thermostat Diaphram - Johnson / Evinrude 150-235 HP V6 Cross Flow (1976-1992) OEM# 0321221 | WSM 780-150-04

Thermostat Diaphram - Johnson / Evinrude 150-235 HP V6 Cross Flow (1976-1992) OEM# 0321221 | WSM 780-150-04

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Thermostat Diaphram Johnson / Evinrude 150 - 235 Hp V6 Cross Flow 76-92 OEM# 0321221

This WSM thermostat diaphram is a quality aftermarket replacement part designed for Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 and 7 other compatible models.

It replaces selected OEM reference numbers including 0321221, 18-3567 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 56 listed fitments
  • Replaces selected OEM reference numbers listed below

Product Details

  • Brand: WSM
  • WSM Part Number: 780-150-04
  • Product: Thermostat Diaphram
  • OEM Reference: 0321221, 18-3567
  • Application: Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 and 7 other compatible models

Product Fitment

This part is suitable for the following models:

  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1978
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1979
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1980
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1981
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1982
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1983
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1984
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1985
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1986
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1987
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1988
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1989
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1990
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 150 – 1991
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 155 – 1984
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 155 – 1985
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 155 – 1986
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 155 – 1987
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 155 – 1988
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 155 – 1989
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 155 – 1990
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 155 – 1991
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 155 – 1992
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 185 – 1984
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 185 – 1985
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 200 – 1976
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 200 – 1977
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 200 – 1978
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 200 – 1979
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 200 – 1980
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 200 – 1981
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 200 – 1982
  • Johnson/Evinrude 6 Cyl 3.500 Bore Cross Flow 200 – 1983
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 175 – 1977
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 175 – 1978
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 175 – 1979
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 175 – 1980
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 175 – 1981
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 175 – 1982
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 175 – 1983
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 175 – 1984
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 175 – 1985
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 235 – 1978
  • Johnson/Evinrude 6 Cyl 3.500 Small Bore Cross Flow 235 – 1979
  • Johnson/Evinrude 6 Cyl 3.625 Big Bore Cross Flow 175 – 1986
  • Johnson/Evinrude 6 Cyl 3.625 Big Bore Cross Flow 175 – 1987
  • Johnson/Evinrude 6 Cyl 3.625 Big Bore Cross Flow 175 – 1988
  • Johnson/Evinrude 6 Cyl 3.625 Big Bore Cross Flow 175 – 1989
  • Johnson/Evinrude 6 Cyl 3.625 Big Bore Cross Flow 175 – 1990
  • Johnson/Evinrude 6 Cyl 3.625 Big Bore Cross Flow 175 – 1991
  • Johnson/Evinrude 6 Cyl 3.625 Bore Cross Flow 235 – 1980
  • Johnson/Evinrude 6 Cyl 3.625 Bore Cross Flow 235 – 1981
  • Johnson/Evinrude 6 Cyl 3.625 Bore Cross Flow 235 – 1982
  • Johnson/Evinrude 6 Cyl 3.625 Bore Cross Flow 235 – 1983
  • Johnson/Evinrude 6 Cyl 3.625 Bore Cross Flow 235 – 1984
  • Johnson/Evinrude 6 Cyl 3.625 Bore Cross Flow 235 – 1985

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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