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Sierra International 18-3633 Thermostat
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Vendor: Sierra
Type: Thermostats
Sku: WBCARB07T8L7MRV
Available: Available
Sold by Carkart, an authorized reseller.
Returns accepted within 30 days | support@carkart.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Double-boxed, fully insured & discreetly packaged
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · 25% restocking fee applies
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
⚠️ 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.
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Sierra International 18-3633 Thermostat
$79.38
FAQs
Have a question ? We are here to help.
Is the shipping free?
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 is the model number of this thermostat? A: The model number is eighteen-three-six-three-three. This specific model is designed for use in Mercury marine applications.
- Q: What are the dimensions of the Sierra International thermostat? A: The dimensions are zero point thirty-nine inches in length, width, and height. This compact size makes it easy to fit in various engine compartments.
- Q: What material is the thermostat made of? A: The thermostat is made of glass. This material is durable and ensures accurate temperature regulation.
- Q: What engine types does this thermostat fit? A: This thermostat fits Mercury seventy-five to one hundred fifteen horsepower engines, including the one hundred fifteen Pro XS models. It is compatible with specific engine serial numbers starting from two B zero nine four nine nine six.
- Q: Is this thermostat interchangeable with other models? A: Yes, it is interchangeable with Mercury Marine eight M zero zero nine zero eight one nine. This allows for versatile applications across different engine types.
- Q: How do I install the Sierra International thermostat? A: To install, first ensure the engine is cool. Then, remove the old thermostat, clean the mounting surface, and place the new thermostat in position before securing it with the proper screws.
- Q: Can this thermostat be used in other brands of engines? A: No, this thermostat is specifically designed for Mercury marine applications. Using it in other brands may not guarantee proper functionality.
- Q: Is this thermostat suitable for high-performance engines? A: Yes, it is suitable for high-performance Mercury engines. Each Sierra product is engineered to meet or exceed original equipment specifications.
- Q: How do I maintain the thermostat for optimal performance? A: To maintain optimal performance, regularly check for leaks and ensure proper installation. Replace it if you notice any irregularities in engine temperature.
- Q: What is the warranty period for the Sierra thermostat? A: The warranty period is typically one year from the date of purchase. Be sure to check the specific warranty details provided with your product.
- Q: What should I do if the thermostat arrives damaged? A: If the thermostat arrives damaged, contact the retailer immediately for a replacement or return. Keep all packaging materials for reference during the return process.
- Q: Can I return the thermostat if it doesn't fit my engine? A: Yes, you can return the thermostat if it doesn't fit, provided it is in its original condition. Check the return policy of the retailer for specific instructions.
- Q: Is this thermostat safe for marine use? A: Yes, this thermostat is safe for marine use. It meets stringent safety and quality standards required for marine applications.
- Q: How long does the thermostat last under normal conditions? A: Under normal operating conditions, the thermostat can last several years. Regular maintenance can extend its lifespan.
- Q: What should I check if my engine overheats? A: If your engine overheats, check the thermostat for proper operation. A stuck or malfunctioning thermostat may need to be replaced.
- Q: Does this thermostat come with installation instructions? A: Yes, it comes with basic installation instructions. For detailed guidance, refer to the manufacturer's website or customer support.