{"product_id":"sierra-18-3569-marine-thermostat-kit-replaces-mercury-803061t1-fits-mercury-mariner-100-115-125-hp-4-cyl-outboards","title":"Sierra 18-3569 Marine Thermostat Kit, 120 F, for Mercury\/Mariner 70-125 HP 2 Cycle Outboards 1987 and Newer","description":"\u003cp\u003eThe Sierra 18-3569 Thermostat Kit is a complete cooling-system repair kit for Mercury and Mariner 2 cycle outboard motors. It is built around a 120 F rated thermostat and includes the gaskets needed for a proper reinstall, so the job can be done in one pass without hunting down separate gasket parts. Marine thermostats regulate engine operating temperature by controlling coolant flow, and a stuck or worn unit is a common cause of overheating or slow warm-up in outboard motors -- this kit lets you replace the thermostat and both related gaskets together.\u003c\/p\u003e\u003cp\u003eThe kit includes one 18-3549 thermostat, one 18-0182 thermostat gasket, and one 18-0339 thermostat cover gasket. It is designed to fit various Mercury\/Mariner 70-125 HP 2 cycle outboards from 1987 and newer. Sierra manufactures its cooling components to meet or exceed the specifications of the original equipment they replace, making this kit a straightforward like-for-like replacement for the factory thermostat assembly.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-3569\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat Temperature Rating:\u003c\/strong\u003e 120 F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e 1 x 18-3549 Thermostat, 1 x 18-0182 Thermostat Gasket, 1 x 18-0339 Thermostat Cover Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.08 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282112899\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eVarious Mercury\/Mariner 70-125 HP 2 cycle outboards, 1987 and newer\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGLM 13124\u003c\/li\u003e\n\u003cli\u003eMallory 9-43155\u003c\/li\u003e\n\u003cli\u003eMercury Marine 803061T1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-3569 Thermostat Kit include?\u003c\/strong\u003e The kit includes one 18-3549 thermostat, one 18-0182 thermostat gasket, and one 18-0339 thermostat cover gasket, so both gaskets needed for the reinstall are included along with the thermostat itself.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat outboards does the 18-3569 thermostat kit fit?\u003c\/strong\u003e It fits various Mercury\/Mariner 70-125 HP 2 cycle outboards, 1987 and newer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat temperature is the thermostat in kit 18-3569 rated for?\u003c\/strong\u003e 120 F is the temperature rating of the thermostat included in the Sierra 18-3569 kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-3569 kit interchangeable with OEM Mercury Marine parts?\u003c\/strong\u003e Yes, it is interchangeable with Mercury Marine 803061T1, as well as GLM 13124 and Mallory 9-43155.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs Mallory 9-43155 the same as Sierra 18-3569?\u003c\/strong\u003e Mallory 9-43155 cross-references directly to Sierra 18-3569, so the two part numbers refer to the same thermostat kit application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-3569 thermostat kit weigh?\u003c\/strong\u003e The Sierra 18-3569 Thermostat Kit weighs 0.08 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need to buy separate gaskets with this thermostat?\u003c\/strong\u003e No, the 18-3569 kit already includes the 18-0182 thermostat gasket and the 18-0339 thermostat cover gasket along with the thermostat, so no separate gaskets are needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 18-3569 kit fit a 4 stroke Mercury outboard?\u003c\/strong\u003e The Sierra 18-3569 Thermostat Kit is designed for Mercury\/Mariner 70-125 HP 2 cycle outboards, 1987 and newer, not 4 stroke models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes Sierra make this thermostat kit to OEM standards?\u003c\/strong\u003e Sierra manufactures the 18-3569 Thermostat Kit to meet or exceed the specifications of the original equipment part it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-3569 Thermostat Kit?\u003c\/strong\u003e The UPC for the Sierra 18-3569 Thermostat Kit is 808282112899.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988153938139,"sku":"SIE-18-3569","price":26.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-3569_lg__50978.1558124669.500.750.jpg?v=1785188284","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-3569-marine-thermostat-kit-replaces-mercury-803061t1-fits-mercury-mariner-100-115-125-hp-4-cyl-outboards","provider":"Good Vibes Marina","version":"1.0","type":"link"}