Sierra 18-3550 140 Degree Marine Thermostat for Mercruiser Stern Drive , white

Frequently Asked Questions

• Q: What is the temperature rating of the Sierra 18-3550 thermostat? A: The temperature rating is one hundred forty degrees Fahrenheit. This thermostat is specifically designed for Mercury and Mercruiser marine engines.
• Q: What are the dimensions of the Sierra thermostat? A: The thermostat measures five inches in length, four inches in width, and one point five inches in height. These dimensions make it suitable for various marine engines.
• Q: What parts does the Sierra 18-3550 thermostat replace? A: It replaces Mercury part number five hundred ninety seventy-eight and GLM part number one hundred thirty twenty. This compatibility ensures easy replacement for users.
• Q: How do I install the Sierra 18-3550 thermostat? A: To install, remove the old thermostat and place the new one in the proper housing. Ensure it is secured tightly to avoid leaks.
• Q: Is the Sierra thermostat compatible with my Mercruiser engine? A: Yes, it fits several Mercruiser models, including the one hundred twenty GM from nineteen eighty-two to nineteen eighty-nine. Check compatibility with your engine's serial number.
• Q: Can I use the Sierra thermostat in both inboard and outboard engines? A: Yes, it is suitable for both inboard and outboard marine engines. This versatility makes it a great choice for various boat types.
• Q: What maintenance does the Sierra thermostat require? A: The thermostat requires minimal maintenance. Regular checks should be made to ensure it is functioning correctly and not leaking.
• Q: How should I store the Sierra thermostat? A: Store it in a cool, dry place away from direct sunlight. This will help maintain its integrity until installation.
• Q: Is the Sierra 18-3550 thermostat safe to use? A: Yes, it is designed to meet or exceed OEM specifications. This ensures safety and reliability in marine applications.
• Q: What is the warranty on the Sierra thermostat? A: The warranty typically covers defects in material and workmanship. Specific warranty details can vary, so check the packaging or manufacturer for more information.
• Q: How does the Sierra thermostat perform in harsh marine environments? A: It is engineered to withstand harsh marine conditions. This durability is essential for maintaining performance in demanding environments.
• Q: Can the Sierra thermostat be used with modified engines? A: Generally, it is designed for standard engines. Consult with a marine technician if your engine has modifications.
• Q: What should I do if the thermostat arrives damaged? A: Contact the seller immediately to report the damage. Most sellers will provide instructions for returns or exchanges.
• Q: What is the brand of the Sierra 18-3550 thermostat? A: The brand is Sierra, known for high-quality marine engine parts. Their reputation is built on reliability and performance.
• Q: Does the Sierra thermostat come in different colors? A: Yes, the Sierra 18-3550 thermostat is available in white. This color is common for marine components.
• Q: What is the leaf category for the Sierra thermostat? A: The leaf category is thermostats. This classification helps customers find similar products easily.