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      • Sierra 18-3551  Marine Thermostat
        $18.99
        $13.49

        Sierra 18-3551 142 Degree Thermostat for Mercruiser, Crusader,PCM When needing to replace your thermostat, we recommend Sierra high-quality engine parts as they are designed to meet OEM specifications at an economical price. The Sierra thermostats are...

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      • Sierra 18-3552 Thermostat Replaces 76270T
        $27.49
        $18.99

        Sierra 18-3552 Thermostat for Mercruiser and Crusader Engines Sierra replacement thermostat for Crusader and Mercruiser engines. Temperature Rating: 160°F For: Fresh Water Cooling Fits: 470/485 models (s/n 6218036 and below) Interchangeable...

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