Sierra® Thermostat Kit for Mercruiser® 340 HP 1981 - 1987, 7.4 Bravo / 350 Mag Engines 1988 - 1995

Item # WX2-167162

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Sierra® Thermostat Kit for Mercruiser® 340 HP Engines 1981 - 1987, 7.4 Bravo / 350 Mag Engines 1988 - 1995.

Proper thermostat operation is key in getting peak engine performance and maximum fuel efficiency!

This marine-grade Kit will withstand the rigors of "ugly" brackish and saltwater. Sierra® Thermostat Kit (part no. 18-3668) replaces your original thermostat, o ring, and gasket.

Kit contains:
  • Thermostat (part no. 18-3551)-replaces O.E.M. part no. 59137
  • Thermostat Cover Gasket (part no. 18-2552)-replaces O.E.M. part no. 27-33179-2
  • Thermostat Cover Gasket (part no. 18-2553)- replaces O.E.M. part no. 27-47510
  • Thermostat Cover Gasket (part no. 18-2554)- replaces O.E.M. part no. 27-41812
  • O Ring (part no. 18-7173)- replaces O.E.M. part no. 25-30224.

Order up top-quality replacement parts for bottom dollar ONLINE today!

1981-1987, 7.4 Bravo / 350 Mag Engines 1988-1995

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