Johnson / Evinrude OMC Thermostat Kits
Sierra Sierra replacement thermostats
  • Johnson / Evinrude OMC Thermostat Kits
  • marine thermostats

Johnson / Evinrude OMC Thermostat Kit 18-3553

Sierra 3553 replacement thermostat for some Johnson, Evinrude, OMC and Mercury marine engine cooling systems. Thermostat is rated for 143 Degrees F. Kits include manifold gasket and 2 thermostat gaskets. Please refer to the cross reference below to determine correct application.
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$13.55 / ea
List:  $16.94 / ea
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Tech Spec Product Info User Generated Content

Sierra Part Numbers

Included in Kit 3553 


18-3554  Thermostat  
18-2858   Manifold Gasket 
18-2917  Thermostat Gasket  
18-2947  Thermostat Gasket  


  • Direct Replacement of these Original Manufacturer Part Numbers:
  • Johnson/Evinrude (OMC)

    original part number 378065, 393659, 434841, 508626
  • Mercury/Mariner number

    original part number 75692
  • Chrysler Force

    original part number F664068
  • OMC Sterndrive/Cobra



BRAND: Sierra
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