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Aftermarket Johnson / Evinrude Outboard V4 Crossflow Thermostat Kit

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Aftermarket Johnson / Evinrude Outboard V4 Crossflow Thermostat KitThe Sierra 18-3673 Thermostat Kit is designed to regulate engine operating temperature by con…
SKU: S-18-3673
Condition: New
mfg_code: 18-3673
$100.65

Aftermarket Johnson / Evinrude Outboard V4 Crossflow Thermostat Kit

$100.65

Aftermarket Johnson / Evinrude Outboard V4 Crossflow Thermostat Kit

The Sierra 18-3673 Thermostat Kit is designed to regulate engine operating temperature by controlling cooling-water flow in Johnson / Evinrude applications.

Use With: 18-3543 Thermostat

Technical Specifications

  • Brand: Sierra Marine
  • Sierra Part Number: 18-3673
  • Product Type: Thermostat Kit
  • Application: Johnson / Evinrude Outboard

Included Components

  • Gasket, Thermostat Cover - Sierra 18-0977
  • Gasket, Thermostat - Sierra 18-0675
  • Grommet (V4 Crossflow) - Sierra 18-2391
  • Poppet Relief Valve (V4 Crossflow) - Sierra 18-3564
  • Valve Spring (V4/V6 Crossflow) - Sierra 18-1243
  • Thermostat 5005440 - Sierra 18-3543

Cross References & Alternative Products

  • GLM: 13270

Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.

Related Service Parts & Kits

Frequently Asked Questions

What is Sierra 18-3673?
Sierra 18-3673 is an aftermarket thermostat kit for Johnson / Evinrude Outboard applications.

Which part numbers cross-reference Sierra 18-3673?
This listing cross-references GLM 13270. See the Cross References & Alternative Products section above for linked alternatives where available.

How can I check whether Sierra 18-3673 fits my Johnson / Evinrude Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.

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