Quicksilver 59078 Replacement Marine Boat Thermostat 140 F Degree

Thermostat 59078 is for use in MerCruiser 120/2. 5L engines (with s/n 2324347 and higher) with cast iron exhaust manifolds. Also for use in MerCruiser 140/3. 0L engines (with s/n 0L340999 and below) and MerCruiser 165 engines. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and power sports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.