{"product_id":"marine-thermostat-130f-for-mercury-mariner-200-225-250-3-0l-efi-dfi-outboards-replaces-mercury-885599004-sierra-18-3535","title":"Sierra 18-3535 Thermostat 130F, Replaces Mercury 885599004, Fits Mercury\/Mariner 200\/225\/250 HP Outboards","description":"\u003cp\u003eThe Sierra 18-3535 is a 130 degree F (54 degree C) thermostat built for Mercury\/Mariner outboard engines. It regulates coolant flow through the engine's cooling system, opening at its rated temperature to help the engine reach and hold proper operating temperature. The housing is white with a digital, no-backlight display and push-button\/touch control.\u003c\/p\u003e\u003cp\u003eThis thermostat is a direct replacement for Mercury Marine OEM part 885599004 and is engineered to meet or exceed the original equipment part it replaces. It fits a range of Mercury\/Mariner 3.0L DFI DTS and 3.0L EFI outboards spanning the 200, 225, and 250 horsepower lines, including the SeaPro and 250 Long EFI variants, as identified by their serial number breakpoints below. Each unit weighs 0.09 pounds.\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 18-3535\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Rating:\u003c\/strong\u003e 130 degrees F (54 degrees C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces (OEM):\u003c\/strong\u003e 885599004\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e Digital, no backlight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Type:\u003c\/strong\u003e Push-button\/touch control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.09 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282241216\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Mercury\/Mariner outboards: 200 3.0L DFI DTS (ALL), 200 3.0L EFI (2003 \u0026amp; Up)(OT750164 \u0026amp; Up), 200 DFI (1997 \u0026amp; Up)(OG386496 \u0026amp; Up), 225 3.0L EFI (1999 \u0026amp; Up)(OG760300 \u0026amp; Up), 225 3.0L EFI SeaPro (2004 \u0026amp; Up)(OT801000 \u0026amp; Up), 225 3.0L DFI DTS (2003 \u0026amp; Up)(OT599000 \u0026amp; Up), 225 DFI (1998 \u0026amp; Up)(OG590000 \u0026amp; Up), 250 3.0L EFI (1999 \u0026amp; Up)(OG760300 \u0026amp; Up), 250 Long 3.0L EFI (OT861319 \u0026amp; Up)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMercury\/Mariner 200 3.0L DFI DTS (ALL)\u003c\/li\u003e\n\u003cli\u003eMercury\/Mariner 200 3.0L EFI (2003 \u0026amp; Up)(OT750164 \u0026amp; Up)\u003c\/li\u003e\n\u003cli\u003eMercury\/Mariner 200 DFI (1997 \u0026amp; Up)(OG386496 \u0026amp; Up)\u003c\/li\u003e\n\u003cli\u003eMercury\/Mariner 225 3.0L EFI (1999 \u0026amp; Up)(OG760300 \u0026amp; Up)\u003c\/li\u003e\n\u003cli\u003eMercury\/Mariner 225 3.0L EFI SeaPro (2004 \u0026amp; Up)(OT801000 \u0026amp; Up)\u003c\/li\u003e\n\u003cli\u003eMercury\/Mariner 225 3.0L DFI DTS (2003 \u0026amp; Up)(OT599000 \u0026amp; Up)\u003c\/li\u003e\n\u003cli\u003eMercury\/Mariner 225 DFI (1998 \u0026amp; Up)(OG590000 \u0026amp; Up)\u003c\/li\u003e\n\u003cli\u003eMercury\/Mariner 250 3.0L EFI (1999 \u0026amp; Up)(OG760300 \u0026amp; Up)\u003c\/li\u003e\n\u003cli\u003eMercury\/Mariner 250 Long 3.0L EFI (OT861319 \u0026amp; Up)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e885599004\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat temperature does the Sierra 18-3535 thermostat open at?\u003c\/strong\u003e 130 degrees F (54 degrees C) is the rated opening temperature of the Sierra 18-3535 thermostat, which controls coolant flow in Mercury\/Mariner outboard engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich Mercury\/Mariner outboards does part number 18-3535 fit?\u003c\/strong\u003e The Sierra 18-3535 fits Mercury\/Mariner 200 3.0L DFI DTS (ALL), 200 3.0L EFI (2003 \u0026amp; Up, OT750164 \u0026amp; Up), 200 DFI (1997 \u0026amp; Up, OG386496 \u0026amp; Up), 225 3.0L EFI (1999 \u0026amp; Up), 225 3.0L EFI SeaPro (2004 \u0026amp; Up), 225 3.0L DFI DTS (2003 \u0026amp; Up), 225 DFI (1998 \u0026amp; Up), 250 3.0L EFI (1999 \u0026amp; Up), and 250 Long 3.0L EFI (OT861319 \u0026amp; Up).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-3535 a direct replacement for Mercury 885599004?\u003c\/strong\u003e Yes, Sierra 18-3535 directly replaces Mercury Marine OEM part 885599004.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-3535 thermostat weigh?\u003c\/strong\u003e 0.09 pounds is the weight of the Sierra 18-3535 thermostat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat color is the Sierra 18-3535 thermostat housing?\u003c\/strong\u003e White is the housing color of the Sierra 18-3535 thermostat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included when I order the 18-3535?\u003c\/strong\u003e One Sierra 18-3535 thermostat is included per unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-3535 an OEM or aftermarket part?\u003c\/strong\u003e Sierra 18-3535 is an aftermarket thermostat engineered to meet or exceed the Mercury OEM part 885599004 that it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-3535 have a digital display?\u003c\/strong\u003e Yes, a digital display with no backlight is built into the Sierra 18-3535 thermostat, along with push-button\/touch control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 18-3535 fit both the standard 250 EFI and the 250 Long EFI?\u003c\/strong\u003e Both are covered: the Sierra 18-3535 fits the Mercury\/Mariner 250 3.0L EFI (1999 \u0026amp; Up) as well as the 250 Long 3.0L EFI (OT861319 \u0026amp; Up).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-3535 thermostat?\u003c\/strong\u003e 808282241216 is the UPC assigned to the Sierra 18-3535 thermostat.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988150792411,"sku":"SIE-18-3535","price":89.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-3535_lg__21125.1558125835.500.750.jpg?v=1785188249","url":"https:\/\/www.goodvibesmarina.com\/products\/marine-thermostat-130f-for-mercury-mariner-200-225-250-3-0l-efi-dfi-outboards-replaces-mercury-885599004-sierra-18-3535","provider":"Good Vibes Marina","version":"1.0","type":"link"}