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Sierra 18-3646 Thermostat Kit Replaces 807252Q3

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List Price: $35.49
Starting At: $24.99
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Sierra 18-3646 Mercruiser 140 Degree Thermostat Kit

Sierra high-quality replacement engine parts are designed for OEM specifications. For 1982 & older Ford & GM V-8 engines with standard cooling and 1996 & older hi-performance models. Fits engines with closed cooling.

  • 140°

Kit Includes:

  • (1) 18-2553 Thermostat Cover Gasket
  • (1) 18-2834 Thermostat Cover Gasket
  • (1) 18-2844 Thermostat Gasket
  • (1) 18-2917 Thermostat Gasket
  • (1) 18-3551 Thermostat

Interchangeable with:

  • GLM
    • 13380
  • Mallory
    • 9-43151
  • Mercruister Stern Drive
    • 807252Q3
    • 807252T6


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Engine Parts
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