Quicksilver 991551 Marine Boat Replacement Thermostat

Description

• Easy to replace with common tools. See your owner's manual for removal of non-functioning thermostat and replacement of new thermostat.
• 160 F degree thermostat.
• Produced by Mercury Marine to stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive

Thermostat 991551 is for 1998 and newer MerCruiser marinized V-6 and V-8 engines made by General Motors using closed cooling systems and requiring the use of the 160 F degree thermostat. It is a 160 F degree thermostat. 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.

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