Engine Parts

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Sierra® Thermostat Kit for Mercruiser® Ford® V8 225, 233, and 255 HP Engines, 1973 - 1977

Item # WX2-167156

Non-Member $20.99 Buyer's Club $18.89

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Sierra® Thermostat Kit for Mercruiser® Ford® V8 225, 233, and 255 HP Engines, 1973 - 1977.

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. 18-3651) replaces your original thermostat (O.E.M. 807252Q3).

Kit contains:
  • Thermostat (part no. 18-3551)- replaces O.E.M. part no. 59137
  • Thermostat Cover Gasket (part no. 18-2554)- replaces O.E.M. part no. 27-90556
  • Thermostat Cover Gasket (part no. 18-2553)-replaces O.E.M. part no. 27-47510
  • Thermostat Cover Gasket (part no. 18-2834)- replaces O.E.M. part no. 27-60208
  • Thermostat Cover Gasket (part no. 18-2844)-replaces O.E.M. part no. 27-48818-1.

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

V8 225, 233, and 255 HP Engines, 1973-1977

Sierra® Thermostat Kit for OMC® Sterndrive 165 - 260HP / Cobra® 4.3 - 5.7L Engines, 1969 - 1992

Item # WX2-167163

Non-Member $22.99 Buyer's Club $20.69

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Sierra® Thermostat Kit for OMC® Sterndrive 165 - 260HP / Cobra® 4.3 - 5.7L Engines, 1969 - 1992.

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. 18-3653) replaces your original thermostat, thermostat gaskets, and manifold gasket.

Kit contains:
  • Thermostat (part no. 18-3554)-replaces O.E.M. part no. 383307
  • Manifold Gasket (part no. 18-2858)-replaces O.E.M. part no. 314809
  • Thermostat Gasket (part no. 18-2917)-replaces O.E.M. part no. 3701777 (GM)
  • Thermostat Gasket (part no. 18-2947)-replaces O.E.M. part no. 310913.

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

260HP / Cobra® 4.3-5.7L Engines, 1969-1992

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