THERMOSTAT ASSEMBLY 8M0174561

Quicksilver 8M0174561 140°F replacement thermostat housing for select 135-400hp Mercury 4-stroke Verado outboards. Corrosion resistant, high temperature, molded, composite material delivers increased service life. Housing incorporates a 90-degree bend on the outflow side and internal stainless steel thermostat. Housing and thermostat only. The additional seals, gaskets, clamps and attaching hardware sold separately. 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 powersports 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. - 140°F replacement thermostat housing for select 135-400hp Mercury 4-stroke Verado outboards - Corrosion resistant, high temperature, molded, composite material delivers increased service life - Housing incorporates a 90-degree bend on the outflow side and internal stainless steel thermostat - Always replace all housing seals, gaskets and clamps to ensure proper cooling system function