{"product_id":"thermostat-kit-120-fits-mercury-mariner-outboards-6-25-hp-replaces-mercury-14586a3-sierra-18-3549-glm-13120-mallory-9-43014-9-43052","title":"Thermostat Kit (120°) – Fits Mercury\/Mariner Outboards 6-25 HP (Replaces Mercury 14586A3, Sierra 18-3549, GLM 13120, Mallory 9-43014\/9-43052)","description":"\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eMercury Mariner Thermostat Kit (120°)\u003c\/strong\u003e is designed for a wide range of Mercury and Mariner 2-stroke outboard engines from 6 to 25 HP, manufactured between 1984 and 1998. It ensures your engine maintains its optimal operating temperature for peak performance and longevity.\u003c\/p\u003e\n\u003cp\u003eThe kit serves as a direct replacement for multiple OEM and aftermarket parts, including Mercury 14586A3, Sierra 18-3549, GLM 13120, and Mallory 9-43014\/9-43052.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls directly into the engine's thermostat housing.\u003c\/li\u003e\n\u003cli\u003eEngineered to maintain a consistent 120°F operating temperature.\u003c\/li\u003e\n\u003cli\u003eIncludes one thermostat and three distinct gaskets for a complete installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e14586A3\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-3549\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e13120\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory\u003c\/td\u003e\n        \u003ctd\u003e9-43014\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory\u003c\/td\u003e\n        \u003ctd\u003e9-43052\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eFor Mercury\/Mariner models, check your engine’s serial number (SN) to ensure precise fitment, as different manufacturing locations (USA, Belgium, Canada) have unique serial ranges.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in USA: SN 0A197112 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–1993\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in BEL: SN 9461526 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in USA: SN 0A197112 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–1993\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in BEL: SN 9461526 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in USA: SN 0A197112 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–1993\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in BEL: SN 9461526 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in USA: SN 0B292414 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1993\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in BEL: SN 9542620 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSea Pro\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1994–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in USA: SN 0G044365 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSea Pro\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in BEL: SN 9927000 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSuper 15\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in USA: SN 0B238464 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSuper 15\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in BEL: SN 9507381 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSuper 15\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in CAN: SN 0A730007 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard (2 Cyl.)\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–1987\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in USA: SN 0B114231 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard (2 Cyl.)\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–1987\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in BEL: SN 9467988 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard (2 Cyl.)\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1986–1987\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in CAN: SN 0A719661 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard (2 Cyl.)\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–1987\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in USA: SN 0B114231 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard (2 Cyl.)\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–1987\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in BEL: SN 9467988 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard (2 Cyl.)\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–1987\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in CAN: SN 0A719661 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSea Pro\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1998\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in USA: SN 0B238464 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSea Pro\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1994\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in BEL: SN 9507381 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSea Pro\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1988–1994\u003c\/td\u003e\n\u003ctd\u003e14586A3\u003c\/td\u003e\n\u003ctd\u003eMade in CAN: SN 0A730007 and Up\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eThermostat Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eEngine Mount\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eDirect Replacement\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMetal\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eMetallic Finish\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e5.91 x 3.94 x 1.18 inches (150 x 100 x 30 mm)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e2.48 ounces (70.3 g)\u003c\/dd\u003e\n  \u003cdt\u003eOperating Temperature\u003c\/dt\u003e\n\u003cdd\u003e120°F \/ 50°C (Note: some sources state 122°F)\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e30-day replacement\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x 120° Thermostat (14586)\u003c\/li\u003e\n  \u003cli\u003e1 x Gasket (27-19205002)\u003c\/li\u003e\n  \u003cli\u003e1 x Gasket (27-14318)\u003c\/li\u003e\n  \u003cli\u003e1 x Gasket (27-62386)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eEnsure the engine is completely cool and disconnect the battery for safety.\u003c\/li\u003e\n  \u003cli\u003eLocate the thermostat housing on the engine block. Place a drain pan underneath if needed.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the bolts securing the thermostat housing cover. Note their length and position if they differ.\u003c\/li\u003e\n  \u003cli\u003eRemove the old thermostat and gasket. Take note of the thermostat's orientation.\u003c\/li\u003e\n  \u003cli\u003eThoroughly clean both the housing and cover mating surfaces. Remove all traces of old gasket material.\u003c\/li\u003e\n  \u003cli\u003eInstall the new thermostat in the correct orientation, followed by the appropriate new gasket from the kit.\u003c\/li\u003e\n  \u003cli\u003eRe-secure the housing cover, tightening bolts to the manufacturer's specified torque in a star pattern.\u003c\/li\u003e\n  \u003cli\u003eReconnect the engine's cooling hoses and refill the cooling system.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery. Start the engine and carefully check for any leaks around the housing as it warms up.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my thermostat is failing?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs of a faulty thermostat include engine overheating, running too cold (not reaching operating temperature), erratic temperature gauge readings, and poor engine performance or fuel economy.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhy is the temperature rated at both 120°F and 122°F?\u003c\/summary\u003e\n  \u003cp\u003eThe OEM Mercury part is rated to open at 120°F. Some aftermarket versions, like this one, may open at a slightly different temperature (e.g., 122°F\/50°C). This minor difference does not affect performance and falls within a safe operating range for the compatible engines.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhich of the three gaskets do I use?\u003c\/summary\u003e\n  \u003cp\u003eThis kit includes multiple gaskets to fit the various engine models listed. Compare the gaskets to your old one and the shape of the housing to determine the correct one for your specific application. You will only use one gasket.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I install this myself?\u003c\/summary\u003e\n  \u003cp\u003eWhile installation is straightforward for those with mechanical experience, we recommend professional installation to ensure it's done correctly, preventing potential leaks or damage. Always follow your engine's service manual.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718272356667,"sku":"ZO-W25P-G1OU","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/ZO-W25P-G1OU.png?v=1762958776","url":"https:\/\/seasierra.com\/products\/thermostat-kit-120-fits-mercury-mariner-outboards-6-25-hp-replaces-mercury-14586a3-sierra-18-3549-glm-13120-mallory-9-43014-9-43052","provider":"SeaSierra","version":"1.0","type":"link"}