Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
- No EU import duties. - Ships within 3-5 business days. (USA) - Ships with 8-12 business days. (International)
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Sierra'S 18-3642 Thermostat Kit Is Designed For Use With Mercury/Mariner 40 Hp (3 Cylinder) (S/N 1C049739 & Up) Outboard Engines. Includes (1) Thermostat And (1) Gasket Per Package. It Is Interchangeable With Mercury Marine 855676A1. Each Sierra Product Meets Or Exceeds The Original Equipment Part It Replaces. Fit Specific, Check Part Numbers To Ensure Proper Fit.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What outboard engines is the Sierra International 18-3642 Thermostat Kit compatible with?A: The Sierra International 18-3642 Thermostat Kit is designed for use with Mercury/Mariner 40 HP (3 Cylinder) outboard engines with serial number 1C049739 and up.
Q: What does the Sierra 18-3642 Thermostat Kit include?A: The kit includes one thermostat and one gasket per package, ensuring you have all necessary components for installation.
Q: Is the Sierra 18-3642 Thermostat Kit interchangeable with other parts?A: Yes, the Sierra 18-3642 Thermostat Kit is interchangeable with Mercury Marine part number 855676A1, making it a versatile option for replacements.
Q: How do I ensure proper fit for the Sierra Thermostat Kit?A: To ensure proper fit, it is important to check the part numbers of your existing thermostat and compare them with the specifications of the Sierra 18-3642 Thermostat Kit.
Q: What quality standards does the Sierra 18-3642 Thermostat Kit meet?A: Each Sierra product, including the 18-3642 Thermostat Kit, meets or exceeds the quality standards of the original equipment part it replaces, ensuring reliable performance.
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