{"title":"Force 2-Stroke 90-200HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:1000px;margin:0 auto 20px auto;\"\u003e\n  \u003cp\u003eThis page supports Force 2-Stroke 90–200HP outboard engines. Use it to find compatible parts and service information, including maintenance schedules, common replacement items, and troubleshooting guidance. You can also browse the main Force collection, and at the bottom of this page you’ll find a quick way to start browsing parts for this engine. On the collection page, use the Filter \u0026amp; Sort controls to narrow by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\" style=\"display:inline-block;padding:10px 14px;background:#0d6efd;color:#fff;text-decoration:none;border-radius:6px;\"\u003eBrowse All Force Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:1000px;margin:0 auto 24px auto;\"\u003e\n  \u003ch2\u003eHow to Identify Your 90–200HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the ID plate on the transom bracket or swivel bracket. It lists the model and serial number used for parts selection.\u003c\/li\u003e\n    \u003cli\u003eRead the model code carefully: suffix letters often indicate shaft length (e.g., short\/long), start\/control type, and sometimes year series. Always match by serial when available.\u003c\/li\u003e\n    \u003cli\u003eDistinguish platforms: many 90HP units are inline‑3; 120–150HP are commonly inline‑4; some late higher‑horsepower Force‑badged engines (175–200HP) share Mercury‑based V6 architecture—verify by the serial plate before ordering.\u003c\/li\u003e\n    \u003cli\u003eThese are carbureted 2‑stroke engines. Confirm whether your engine is premix or oil‑injected (if equipped) and note the required ratio or injection setup.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:1000px;margin:0 auto 24px auto;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eInline‑3 (typically around 90HP)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eInline‑3, carbureted 2‑stroke\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eForce 90HP 2‑stroke variants (late 1980s–1990s)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eGood power‑to‑weight; simple service; responsive mid‑range\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eConfirm jetting and ignition components by serial; use the correct water pump kit per year\/gearcase.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eInline‑4 (typically 120–150HP)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eInline‑4, carbureted 2‑stroke\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eForce 120–150HP 2‑stroke variants (1980s–1990s)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eBroad torque curve; straightforward maintenance; widely supported wear parts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eIgnition and gearcase components can vary by year; some overlap with Chrysler\/Mercury patterns—verify by part number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eV6 (175–200HP, Force‑badged, Mercury‑based)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eV6, carbureted 2‑stroke (Mercury‑based architecture on late models)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eForce‑badged 175–200HP (late 1990s, select applications)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eHigh output; strong top‑end performance\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eMany parts mirror Mercury V6 patterns. Always confirm by serial plate before ordering ignition, cooling, or gearcase parts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"max-width:1000px;margin:0 auto 24px auto;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for 2‑stroke outboards; always follow your official service manual for the exact schedule for your engine.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eChange sooner if water intrusion (milky oil) is suspected; pressure‑test if contamination is found.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\"\u003eForce Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd\u003eInspect every 50 hours; replace 100 hours or as needed\u003c\/td\u003e\n        \u003ctd\u003eUse correct heat range and gap; read plugs to diagnose mixture and ignition health.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFuel filter \/ water‑separating filter\u003c\/td\u003e\n        \u003ctd\u003eInspect 50 hours; replace 100 hours or seasonally\u003c\/td\u003e\n        \u003ctd\u003eReplace sooner if fuel contamination or stale fuel is suspected.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd\u003e200 hours or every 2–3 seasons\u003c\/td\u003e\n        \u003ctd\u003eCritical for cooling; replace more frequently in sandy or silty water.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-water-pump-repair-kits\"\u003eForce Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd\u003eInspect each haul‑out; replace when 50% gone\u003c\/td\u003e\n        \u003ctd\u003eMatch anode material to water type (zinc, aluminum, or magnesium).\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCarburetor service (clean\/sync)\u003c\/td\u003e\n        \u003ctd\u003eAs needed; check annually\u003c\/td\u003e\n        \u003ctd\u003eRough idle or hesitation often improves with proper cleaning and synchronization.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/carburetor\"\u003eCarburetor\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOil system check (premix or injection)\u003c\/td\u003e\n        \u003ctd\u003eEvery season\u003c\/td\u003e\n        \u003ctd\u003ePremix engines: confirm correct ratio (commonly 50:1 unless specified otherwise). Injection: inspect oil lines and pump.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eLower unit seals (if leak suspected)\u003c\/td\u003e\n        \u003ctd\u003ePressure test at service; rebuild as required\u003c\/td\u003e\n        \u003ctd\u003eMilky gear oil or external leaks indicate seal service is due.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-lower-unit-seal-kits\"\u003eForce Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePropeller inspection\u003c\/td\u003e\n        \u003ctd\u003eCheck every outing; pull hub each season\u003c\/td\u003e\n        \u003ctd\u003eRepair\/replace damaged blades; remove line from the shaft; verify nut, cotter, and thrust washer.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"max-width:1000px;margin:0 auto 24px auto;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eCooling System — \u003ca href=\"https:\/\/seasierra.com\/collections\/force-water-pump-repair-kits\"\u003eForce Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System — \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical — \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase Seals \u0026amp; Hardware — \u003ca href=\"https:\/\/seasierra.com\/collections\/force-lower-unit-seal-kits\"\u003eForce Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hubs — \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection — \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eRoutine Service Kits — \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:1000px;margin:0 auto 24px auto;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWeak tell‑tale or overheat alarm\u003c\/td\u003e\n        \u003ctd\u003eInspect tell‑tale outlet and intake screens; test thermostat; verify impeller condition.\u003c\/td\u003e\n        \u003ctd\u003eWater pump kit, thermostat, intake screen\/gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd\u003eCheck prop damage\/slip; confirm fresh fuel; inspect filters; verify plug condition and spark.\u003c\/td\u003e\n        \u003ctd\u003ePropeller, fuel filter, spark plugs, carburetor rebuild kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd\u003eVerify choke\/enricher operation; look for air leaks in fuel lines; clean\/sync carburetors; check compression.\u003c\/td\u003e\n        \u003ctd\u003eSpark plugs, primer bulb\/fuel lines, carb kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd\u003eConfirm oil ratio; check stuck choke; evaluate idle mixture and float levels.\u003c\/td\u003e\n        \u003ctd\u003eSpark plugs, carb kit, hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd\u003eCheck oil level and color; inspect prop shaft for fishing line; perform pressure\/vacuum test.\u003c\/td\u003e\n        \u003ctd\u003eLower unit seal kit, bearings\/gears, gear lube\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"max-width:1000px;margin:0 auto 24px auto;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome Force components overlap with Chrysler or Mercury patterns, especially on late models. However, ignition, cooling, and gearcase parts can change between years. Use your model and serial to confirm each part.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the water pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, replace the impeller every 2–3 seasons or 200 hours, and sooner if you operate in sandy or silty water or if the tell‑tale is weak. A full kit is recommended when service history is unknown.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change gear oil in the lower unit?\u003c\/summary\u003e\n    \u003cp\u003eChange gear oil every 100 hours or annually. If you find milky oil or metal debris, pressure‑test the gearcase and service seals before returning to use.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the model and serial number from the nameplate, horsepower, approximate year, and any known details (shaft length, control type). Photos of the nameplate and the part needing replacement are also helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:1000px;margin:0 auto 30px auto;\"\u003e\n  \u003cp\u003eReady to find the right parts? Browse the main Force collection and use Filter \u0026amp; Sort to narrow by horsepower, year, and model.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\" style=\"display:inline-block;padding:10px 14px;background:#0d6efd;color:#fff;text-decoration:none;border-radius:6px;\"\u003eShop Force Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:10px;color:#374151;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"thermostat-fits-omc-johnson-evinrude-55-75-hp-replaces-396987-382385","title":"143°F Marine Thermostat for Johnson\/Evinrude, Chrysler\/Force, MerCruiser and Volvo Penta Applications","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:560px; }\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  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\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 143°F (62°C) marine thermostat is an aftermarket replacement designed for selected Johnson\/Evinrude, Chrysler\/Force, MerCruiser and Volvo Penta applications. It helps regulate engine operating temperature by opening at the specified 143°F rating.\u003c\/p\u003e\n  \u003cp\u003eThe company catalog identifies this product as a single thermostat rather than a multi-part kit. Confirm the part number and complete engine or sterndrive application before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eProduct type: Marine thermostat\u003c\/li\u003e\n    \u003cli\u003eOpening temperature: 143°F (62°C)\u003c\/li\u003e\n    \u003cli\u003eInstallation: Replacement thermostat; follow the engine manufacturer’s service procedure\u003c\/li\u003e\n    \u003cli\u003ePackage type: Single thermostat\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eReference Part Numbers\u003c\/h2\u003e\n  \u003cp\u003eThe following manufacturer and aftermarket references are associated with this thermostat application. Part-number matching should be confirmed against the original component and engine service information.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Reference Part Numbers\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand or application\u003c\/th\u003e\n          \u003cth\u003eReference number\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC Johnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e396987\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC Johnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e382385\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC Johnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e778261\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eChrysler\/Force\u003c\/td\u003e\n\u003ctd\u003eF335068\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e47594\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e21148403\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3557\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e13080\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-43024\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eApplication Compatibility\u003c\/h2\u003e\n  \u003cp\u003eCompany catalog records associate this thermostat with the following application groups. The records do not provide a universal model-year, serial-number or stroke range for every application, so verify the exact engine or sterndrive identification and reference number before purchase.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Application Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eManufacturer or application\u003c\/th\u003e\n          \u003cth\u003eDocumented application details\u003c\/th\u003e\n          \u003cth\u003eReference number\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eJohnson\/Evinrude outboard\u003c\/td\u003e\n          \u003ctd\u003eSelected 55, 60, 65, 70 and 75 HP outboard applications\u003c\/td\u003e\n          \u003ctd\u003e396987, 382385, 778261\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eChrysler\/Force outboard\u003c\/td\u003e\n          \u003ctd\u003eSelected 70, 90, 105, 120 and 135 HP applications\u003c\/td\u003e\n          \u003ctd\u003eF335068\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMerCruiser stern drive \/ outdrive\u003c\/td\u003e\n          \u003ctd\u003eGM 6-cylinder engines with 4.1–4.8 L displacement and 90, 160 or 200 HP applications\u003c\/td\u003e\n          \u003ctd\u003e47594\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eVolvo Penta stern drive \/ outdrive\u003c\/td\u003e\n          \u003ctd\u003e3.0 GXi and 3.0GXiC applications\u003c\/td\u003e\n          \u003ctd\u003e21148403\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cp\u003eHorsepower, engine family and drive type must remain matched to the correct reference number. A similar-looking thermostat or a matching horsepower rating alone does not confirm fitment.\u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct type\u003c\/dt\u003e\n    \u003cdd\u003eAftermarket marine thermostat\u003c\/dd\u003e\n    \u003cdt\u003eOpening temperature\u003c\/dt\u003e\n    \u003cdd\u003e143°F (62°C)\u003c\/dd\u003e\n    \u003cdt\u003eApplications\u003c\/dt\u003e\n    \u003cdd\u003eSelected Johnson\/Evinrude, Chrysler\/Force, MerCruiser and Volvo Penta outboard or stern-drive applications\u003c\/dd\u003e\n    \u003cdt\u003ePackage configuration\u003c\/dt\u003e\n    \u003cdd\u003eSingle thermostat\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 × 143°F (62°C) marine thermostat\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eA gasket or seal is not listed as an included component in the company package record. Check the condition of the existing sealing parts and obtain any required replacement gasket or seal separately unless your application documentation specifies otherwise.\u003c\/p\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eAllow the engine to cool completely and follow all applicable safety procedures.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the battery or otherwise isolate the starting system as directed by the service manual.\u003c\/li\u003e\n    \u003cli\u003eLocate the thermostat housing and place a suitable drain pan or absorbent material below the work area.\u003c\/li\u003e\n    \u003cli\u003eRemove the housing cover according to the engine manufacturer’s instructions.\u003c\/li\u003e\n    \u003cli\u003eNote the orientation of the original thermostat before removing it.\u003c\/li\u003e\n    \u003cli\u003eClean the mating surfaces carefully, removing old gasket material and corrosion without damaging the housing.\u003c\/li\u003e\n    \u003cli\u003eInstall the replacement thermostat in the correct orientation and use the proper gasket or seal for the application.\u003c\/li\u003e\n    \u003cli\u003eReinstall the housing and tighten the fasteners to the manufacturer’s specified torque.\u003c\/li\u003e\n    \u003cli\u003eRestore the cooling system as required, start the engine in accordance with the service manual, and check for leaks and correct temperature control.\u003c\/li\u003e\n  \u003c\/ol\u003e\n  \u003cp\u003eFor stern-drive and outdrive systems, follow the specific cooling-system procedure for the engine and drive assembly. Do not rely on a generic installation procedure where the manufacturer specifies a different service method.\u003c\/p\u003e\n\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat temperature is this thermostat rated for?\u003c\/summary\u003e\n    \u003cp\u003eThis thermostat is rated at 143°F (62°C).\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow can I tell whether my thermostat may be failing?\u003c\/summary\u003e\n    \u003cp\u003ePossible symptoms include overheating, running too cool, failure to reach normal operating temperature, or irregular temperature changes. These symptoms can also be caused by other cooling-system problems, so diagnose the complete system before replacing parts.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this product include a gasket or seal?\u003c\/summary\u003e\n    \u003cp\u003eThe company record identifies the product as a single thermostat and does not list a gasket or seal as included. Check your application requirements and purchase any required sealing component separately unless it is supplied with your specific order.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM thermostat?\u003c\/summary\u003e\n    \u003cp\u003eThis is an aftermarket replacement thermostat. The listed manufacturer and aftermarket numbers are reference numbers used to help identify compatible applications; the product is not represented as a genuine OEM-branded component.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I confirm fitment?\u003c\/summary\u003e\n    \u003cp\u003eCompare the original thermostat and its reference number with the application information above. Confirm the manufacturer, engine or drive type, horsepower, displacement where applicable, and service-manual requirements before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should a marine thermostat be replaced?\u003c\/summary\u003e\n    \u003cp\u003eInspect the thermostat as part of normal cooling-system maintenance and replace it if it sticks, corrodes, fails to regulate temperature, or does not meet the manufacturer’s service requirements. Follow the maintenance interval specified for your engine.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify the complete application and reference number before purchase.\u003c\/li\u003e\n    \u003cli\u003eNever open a hot cooling system. Allow the engine to cool before service.\u003c\/li\u003e\n    \u003cli\u003eUse the correct gasket or seal and follow the manufacturer’s torque and installation instructions.\u003c\/li\u003e\n    \u003cli\u003eIncorrect thermostat fitment or installation can cause overheating, poor temperature control or engine damage.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when the correct service procedure is not known.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMarine-focused selection:\u003c\/strong\u003e We supply replacement components for a range of outboard, stern-drive and inboard marine applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication support:\u003c\/strong\u003e Use the listed reference numbers and application details to help identify the correct replacement before ordering.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePractical replacement parts:\u003c\/strong\u003e Our catalog is organized around serviceable marine components intended to restore reliable operation when matched to the correct application.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723979460923,"sku":"23TH612","price":31.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23TH612_1_5e34ae9e-97b8-41a0-aa58-a69e26612693.jpg?v=1763039169"}],"url":"https:\/\/seasierra.com\/collections\/force-2-stroke-90-200hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}