Quicksilver 850055001 Replacement Thermostat for Mercury Mariner 2-Stroke 30-60hp Outboards

The Quicksilver 850055001 is a genuine OEM replacement thermostat designed specifically for Mercury and Mariner 2-stroke outboard engines in the 30-60hp range, including jet and BigFoot models. This critical cooling system component helps maintain optimal operating temperature by regulating coolant flow, ensuring your engine runs efficiently and preventing overheating damage.

Key Features:

• Genuine Mercury Marine OEM part engineered to exact factory specifications
• Direct replacement for Mercury and Mariner 2-stroke outboards (30-60hp)
• Compatible with standard, jet drive, and BigFoot outboard configurations
• Easy installation with common shop tools and basic mechanical skills
• Manufactured to rigorous marine industry standards for reliability and durability

Quicksilver has been the trusted leader in marine engine parts and accessories for over 65 years, delivering uncompromising quality through extensive testing and research. As the premier supplier of Mercury Marine original equipment, Quicksilver parts offer superior performance, protection, and peace of mind compared to aftermarket alternatives. Always consult your owner's manual, parts listing, or service manual for exact application details and installation instructions specific to your engine model.