Mercury MerCruiser 59078 120-140 HP Inboard Outboard Sterndrive Engine 140° Degree Thermostat Sierra 18-3550

Mercury MerCruiser 59078 120-140 HP Inboard Outboard Sterndrive Engine 140° Degree Thermostat Sierra 18-3550

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  • Mercury MerCruiser 120-140 HP Inboard Outboard Sterndrive Engine 140° Degree Thermostat
  • Temperature Rating: 140° Degree
  • For use with: 
    • Mercruiser 120/2.5L (s/n 2324347 & up) w/ cast iron exhaust manifolds.
    • Mercruiser 140-3.0L (s/n 0L340999 & below) and 165.
    • GM inline 6 cylinder engines (1964—1998) and Chrysler 55hp and 60hp (1977—1984) Force engines with standard cooling systems.
  • Manufacturer: Sierra 
  • Model Number: 140° Thermostat 
  • Part Number: 18-3550
  • Also Known As: 
    • Mercury MerCruiser 59078, 59078B, 59078A1
    • Chrysler/Force/US Marine F84068-2, F85068-2, F84068-1, F84068
    • Mallory 9-43020 
    • GLM 13020