Sierra 18-0844 Thermostat Cover Gasket
Sierra replacement thermostat cover gasket for Yamaha Outboards.
Interchangeable with:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-3608 Yamaha Thermostat Kit Sierra high-quality engine parts are designed to meet OEM specifications. Sierra 18-3608 Thermostat Kit has a 122°F Temperature Rating. Kit Contains: (1)...
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Sierra 18-3371 Yamaha Outboard Water Pump Kit Sierra water pump kits are engineered to meet or exceed OEM requirements. Kit Includes: (1) 18-0239 Wear Plate to Pump Housing Gasket (1) 18-0240...
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Sierra 18-3609 Yamaha Thermostat Kit Sierra high-quality engine parts are designed to meet OEM specifications. Temperature Rating: 122°F/50°C Kit Contains: (1) 18-0829 Cover...
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Sierra 18-3071 Yamaha Water Pump Impeller Sierra high-quality engine parts are designed to meet OEM specifications. For Use On Engine Models: 115,150,175,200,250 Interchangeable...
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Premium Lower Unit Gear Lube by Sierra Recommended for all general marine applications requiring a GL-5 class lubricant. Formulated for use in freshwater or saltwater conditions. Reduces...
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Sierra 18-3070 Impeller Replaces 688-44352-03-00 Sierra replacement impeller for Yamaha Outboard engines. All Sierra marine parts are manufactured to meet or exceed all OEM requirements...
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