Mercury MerCruiser 59078T3 59078Q3 59078T4 Engine 140°F Thermostat Kit Sierra 18-3650D

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  • Regular price $29.95
  • 7 available


  • Engine 140°F  Thermostat Kit
  • Temperature Rating: 140°F
  • For use with:
    • 1998 & older MCM GM in-line 4 and 6 Cylinder Engines.
  • Includes:
    • 18-3550 Thermostat
    • 18-2831 Thermostat Cover Gasket
  • Manufacturer: Sierra
  • Model Number: Thermostat Kit
  • Part Number: 18-3650D
  • Also Known As: 
    • Mercury MerCruiser 59078T3, 59078Q3, 59078T4
    • Sierra 18-3650