Maintain the optimal operating temperature of your engine with this New 143-Degree Thermostat manufactured by EMP. This critical cooling system component is designed for Mercury and Mariner outboard engines produced between 1994 and 2005, ranging from 115 HP 4-cylinder models to high-performance 300 HP V6 units.
A properly functioning thermostat is essential for preventing engine overheating and ensuring efficient fuel combustion. This replacement unit is calibrated to open at 143 degrees Fahrenheit, allowing for precise thermal management in various water conditions. Constructed from high-grade, corrosion-resistant materials, it provides a direct-fit solution to replace stuck or corroded factory thermostats.
Product Features
- Manufacturer: EMP (Engine Machine Pro)
- Application: Mercury & Mariner Outboard Motors
- Temperature Rating: 143° F
- Primary OEM Replacement: 833072003
- Cross Reference Numbers: Sierra 18-3536
- Condition: 100% Brand-New
Motor Compatibility
This thermostat is compatible with the following 1994–2005 Mercury/Mariner models:
- 4-Cylinder: 115–135 HP
- V6: 150–300 HP
Additional Information
NOTE: When replacing a thermostat, it is highly recommended to inspect and replace the thermostat gasket and water pump impeller to ensure the entire cooling system is performing at factory specifications. If you require additional cooling system parts, please contact us through the website or email, and we can assist with a custom order.
Shipping Information
SHIPPING: $7.95 flat rate shipping to anywhere in the lower 48 states.
Additional shipping fees to Alaska, Hawaii, U.S. Territories, or international destinations will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided.
(Some items are excluded from international shipping.)
Customer Support
For questions or to confirm compatibility, please email customerservice@marinepartswarehouse.com.
Please include your engine model number to help our technicians confirm the correct fitment for your specific year and horsepower range.
