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Add to CartSierra high quality replacement engine parts are designed to meet OEM specifications.
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California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-3535 Thermostat Additional Details: Temperature Rating: 130° Use with: 18-3606 Thermostat Kit 18-3606D Thermostat Kit Replaces: Mercury...
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Sierra 18-3605 Mercury Thermostat Kit This Mercury Thermostat kit is designed for use on 225/250 HP EFI G129222-0T408999 For Use on Mercury/Mariner Outboard Engines Fits: V-135 DFI (2...
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Sierra 23-3606 Thermostat For Onan Sierra replacement thermostat for Onan generators. Temperature Rating: 143F Interchangeable with: Onan 309-0130
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Sierra 18-3642 Mercury Thermostat Kit - Replaces 825212A1 Sierra replacement thermostat kit for Mercury Marine Outboards. Includes 18-0835 Thermostat Cover Gasket Interchangeable with: ...
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