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Description
Sierra 18-3553 Mercury Thermostat
The Sierra 18-3553 Thermostat has a 143°F temperature rating. For use on Mercury Marine engines.
Interchangeable with:
- GLM
- 13010
- Mallory
- 9-43019
- Mercury Marine
- 75692
- 62981
- 66850
- 75692B
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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