{"title":"Force 2-Stroke 30-40HP Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eParts and service guidance for Force 2‑Stroke 30–40HP outboard engines. This page helps you find compatible parts, routine maintenance items, and quick troubleshooting tips. You can also browse the main Force collection for more options. Scroll to the bottom to start browsing parts for this engine, and 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;border:1px solid #0a5;border-radius:6px;text-decoration:none;\"\u003eBrowse All Force Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 30–40HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFind the nameplate\/serial tag on the transom bracket or swivel bracket. Record the full model designation and serial number.\u003c\/li\u003e\n    \u003cli\u003eModel codes and suffixes often indicate shaft length (S\/L\/XL), starting and control type (manual\/electric; tiller\/remote), and production year. Compare the exact suffix when selecting parts.\u003c\/li\u003e\n    \u003cli\u003eThese engines are 2‑stroke, carbureted designs. Across years, both inline‑2 and (on some later 40HP) inline‑3 variants exist—confirm cylinder count and gearcase style before ordering internal components.\u003c\/li\u003e\n    \u003cli\u003eIf your motor was serviced with Mercury\/Mariner‑era Force components, many wear parts (impellers, anodes, gearcase seals) cross over—use your serial\/model tag to verify.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"platforms\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline‑2 Carbureted 2‑Stroke (most 30–35HP and many 40HP)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:900px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\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‑2, carbureted 2‑stroke with premix or oil‑injection (depending on year).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003e30HP\/35HP\/40HP 2‑Stroke models from the late 1980s–1990s.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eLightweight, simple service procedures, good low‑to‑mid range torque.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eWater pump kits, anodes, and lower unit seals often align with Force\/Mercury shared parts families—always match by serial\/model.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eInline‑3 Carbureted 2‑Stroke (select 40HP years)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:900px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\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 used in some later 40HP production.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003e40HP 2‑Stroke variants (Mercury‑supported Force era).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eSmoother running at certain RPM and broader power band.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eSome ignition\/fuel and gearcase parts differ from the 2‑cyl platform—verify by serial and cylinder count.\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=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for 2‑stroke outboards; always follow the official service manual for your exact model and usage.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;max-width:1000px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\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\u003eReplace drain\/vent seals; check for water intrusion and metal debris.\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\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd\u003eInspect every 50 hours; replace as needed\u003c\/td\u003e\n        \u003ctd\u003eUse the correct heat range and gap; 2‑stroke operation can foul plugs quickly if mixture is rich.\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 \/ inline filter\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eReplace more often if using ethanol‑blended fuel or after long storage.\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\u003eEvery 2–3 seasons or sooner if flow weakens\u003c\/td\u003e\n        \u003ctd\u003eCritical for cooling; replace impeller and inspect wear plate\/housing.\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 (internal \u0026amp; external)\u003c\/td\u003e\n        \u003ctd\u003eInspect each season; replace when 50% eroded\u003c\/td\u003e\n        \u003ctd\u003eUse correct alloy for your waters (fresh, brackish, salt) to protect aluminum.\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\u003eOil‑injection filter\/lines (if equipped)\u003c\/td\u003e\n        \u003ctd\u003eInspect each season\u003c\/td\u003e\n        \u003ctd\u003eConfirm flow and line condition; premix engines should follow the specified fuel\/oil ratio.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eOil \u0026amp; Fuel Hoses\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"font-size:12px;opacity:0.8;\"\u003e*Follow the schedule in your official service manual for your serial range and operating environment.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \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\u003eLower Unit \/ Sealing: \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\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \u0026amp; Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\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\u003ePropulsion: \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePerformance \u0026amp; Trim: \u003ca href=\"https:\/\/seasierra.com\/collections\/outboard-hydrofoil-stabilizers\"\u003eOutboard Hydrofoil Stabilizers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;max-width:1000px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd\u003eInspect intake screen for debris; evaluate impeller age; confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd\u003eWater pump kit, intake screen, thermostat, gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd\u003eCheck spark plug condition and gap; confirm fuel quality; inspect inline filter and lines; verify throttle and choke linkage.\u003c\/td\u003e\n        \u003ctd\u003eSpark plugs, fuel filter, fuel\/oil hoses, carb service parts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd\u003eVerify cold‑start enrichment, look for air leaks at fuel lines, check compression and ignition.\u003c\/td\u003e\n        \u003ctd\u003eFuel hoses, primer bulb, ignition components, carb gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd\u003eConfirm correct premix ratio or proper oil‑injection calibration; check for stuck choke.\u003c\/td\u003e\n        \u003ctd\u003eSpark plugs, carb components, oil‑injection lines\/filters\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGearcase noise \/ metallic sheen in gear oil\u003c\/td\u003e\n        \u003ctd\u003eDrain and inspect oil; look for water intrusion; check prop shaft seal and shift shaft seal areas.\u003c\/td\u003e\n        \u003ctd\u003eLower unit seal kit, seals \u0026amp; O‑rings, 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=\"padding:16px 0;\"\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\u003eMany wear items (impellers, anodes, basic seals) are shared across multiple Force 30–40HP variants, especially in the Mercury‑supported years. Internal components like ignition, carbs, and gearcase details can differ. Always confirm by full model and serial.\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, every 2–3 seasons—or immediately if the tell‑tale weakens, you overheat, or the engine sat for a long period. Inspect the wear plate and housing whenever the lower unit is down.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change lower unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eAt least annually or every 100 hours. If the boat sees heavy use or debris‑prone shallows, service more frequently and always check for water contamination.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat info do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the full model designation, serial number, horsepower, approximate year, cylinder count (2 or 3), and any notable features (manual\/electric start, tiller\/remote). Photos of the nameplate help.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse the Force collection and use the filters to narrow results.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0a5;border-radius:6px;text-decoration:none;\"\u003eShop Force Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"font-size:12px;opacity:0.85;margin-top:8px;\"\u003eIf you’re unsure about your model, send us a 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-130-f-54-c-fits-mercury-mariner-chrysler-force-replaces-895338-f97068-2","title":"130°F Thermostat for Mercury\/Mariner and Chrysler\/Force Outboards – Replaces 895338, F97068-2","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\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  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 aftermarket \u003cstrong\u003e130°F (54°C) thermostat\u003c\/strong\u003e is intended for selected Mercury\/Mariner and Chrysler\/Force outboard applications. The company catalog identifies the product for 25–55 HP applications and lists Mercury\/Mariner 30–40 HP applications. It is supplied as a single thermostat, not as a multi-piece thermostat kit.\u003c\/p\u003e\n    \u003cp\u003eThe thermostat is identified as a 3\/4-inch, 130-degree unit. It provides a replacement option for Mercury Marine reference \u003cstrong\u003e895338\u003c\/strong\u003e and Chrysler\/Force reference \u003cstrong\u003eF97068-2\u003c\/strong\u003e. Confirm the exact engine model, serial number, thermostat temperature specification, and original part before ordering.\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003e130°F (54°C) operating temperature rating.\u003c\/li\u003e\n        \u003cli\u003e3\/4-inch thermostat application reference.\u003c\/li\u003e\n        \u003cli\u003eSingle thermostat replacement for selected outboard cooling systems.\u003c\/li\u003e\n        \u003cli\u003eCustomer-facing reference numbers are listed below for identification and cross-reference purposes.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n    \u003cp\u003eThese manufacturer and aftermarket references are provided to help compare the replacement part. A cross-reference is not a substitute for checking the complete engine fitment.\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                    \u003cth\u003eReference Type\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMercury Marine\u003c\/td\u003e\n                    \u003ctd\u003e895338\u003c\/td\u003e\n                    \u003ctd\u003eOEM reference\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eChrysler\/Force\u003c\/td\u003e\n                    \u003ctd\u003eF97068-2\u003c\/td\u003e\n                    \u003ctd\u003eOEM reference listed for the 130°F thermostat application\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eChrysler\/Force\u003c\/td\u003e\n                    \u003ctd\u003eF97068, F97068-1\u003c\/td\u003e\n                    \u003ctd\u003eAdditional company-listed reference formats\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSierra Marine\u003c\/td\u003e\n                    \u003ctd\u003e18-3556\u003c\/td\u003e\n                    \u003ctd\u003eAftermarket reference\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMallory Marine\u003c\/td\u003e\n                    \u003ctd\u003e9-43025\u003c\/td\u003e\n                    \u003ctd\u003eAftermarket reference\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eGLM\u003c\/td\u003e\n                    \u003ctd\u003e13200\u003c\/td\u003e\n                    \u003ctd\u003eAftermarket reference\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\u003eThe company catalog lists this thermostat for Mercury\/Mariner applications in 30–40 HP and for Chrysler\/Force applications in 25, 35, 40, 45, 50, and 55 HP. The available records do not establish one universal year range, stroke designation, or serial-number range for every listed horsepower. Use the detailed engine information below as a starting point and verify the exact application before purchase.\u003c\/p\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n        \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n            \u003cthead\u003e\n                \u003ctr\u003e\n                    \u003cth\u003eBrand\u003c\/th\u003e\n                    \u003cth\u003eHorsepower\u003c\/th\u003e\n                    \u003cth\u003eApplication Scope\u003c\/th\u003e\n                    \u003cth\u003eTemperature\u003c\/th\u003e\n                    \u003cth\u003eReference\u003c\/th\u003e\n                    \u003cth\u003eFitment Note\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\u003e30–40 HP\u003c\/td\u003e\n                    \u003ctd\u003eSelected outboard applications\u003c\/td\u003e\n                    \u003ctd\u003e130°F (54°C)\u003c\/td\u003e\n                    \u003ctd\u003e895338\u003c\/td\u003e\n                    \u003ctd\u003eCheck the exact model and serial number; some catalog entries using the same reference show different temperature specifications by serial range.\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eChrysler\/Force\u003c\/td\u003e\n                    \u003ctd\u003e25, 35, 40, 45, 50, 55 HP\u003c\/td\u003e\n                    \u003ctd\u003eSelected outboard applications\u003c\/td\u003e\n                    \u003ctd\u003e130°F (54°C)\u003c\/td\u003e\n                    \u003ctd\u003eF97068-2\u003c\/td\u003e\n                    \u003ctd\u003eVerify the original thermostat size, temperature rating, and engine identification information.\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Horsepower alone does not confirm fitment. Before ordering, compare your engine brand, model designation, serial number, original thermostat, and service-manual specification with this listing.\u003c\/p\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\u003c\/dd\u003e\n        \u003cdt\u003eTemperature Rating\u003c\/dt\u003e\n        \u003cdd\u003e130°F (54°C)\u003c\/dd\u003e\n        \u003cdt\u003eApplication Size Reference\u003c\/dt\u003e\n        \u003cdd\u003e3\/4 inch\u003c\/dd\u003e\n        \u003cdt\u003eApplication\u003c\/dt\u003e\n        \u003cdd\u003eSelected Mercury\/Mariner and Chrysler\/Force outboard cooling systems\u003c\/dd\u003e\n        \u003cdt\u003eInstallation\u003c\/dt\u003e\n        \u003cdd\u003eReplacement installation in the original thermostat location\u003c\/dd\u003e\n        \u003cdt\u003eQuantity\u003c\/dt\u003e\n        \u003cdd\u003eOne thermostat\u003c\/dd\u003e\n        \u003cdt\u003eBrand Status\u003c\/dt\u003e\n        \u003cdd\u003eAftermarket replacement; not an OEM-branded component\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 × 130°F (54°C) thermostat\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eAdditional gaskets, seals, housing components, or installation hardware are not identified in the company package information. Do not assume they are included.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n    \u003col\u003e\n        \u003cli\u003eConfirm the engine model, serial number, original thermostat specification, and temperature rating before beginning work.\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to cool completely and follow the engine manufacturer's safety procedures.\u003c\/li\u003e\n        \u003cli\u003eRemove the thermostat housing according to the applicable service manual.\u003c\/li\u003e\n        \u003cli\u003eRemove the old thermostat and inspect the housing, sealing surfaces, and related cooling-system components for damage or deposits.\u003c\/li\u003e\n        \u003cli\u003eClean the mating surfaces without scratching or distorting the housing.\u003c\/li\u003e\n        \u003cli\u003eInstall the replacement thermostat in the correct orientation. Use the gasket or seal specified by the engine manufacturer; replacement sealing components are not identified as included with this product.\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 by the engine service procedure.\u003c\/li\u003e\n        \u003cli\u003eRun the engine using the manufacturer's approved procedure and check for leaks, correct water flow, and abnormal temperature indications.\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 this thermostat fits my engine?\u003c\/summary\u003e\n        \u003cp\u003eStart with the engine brand, model, horsepower, and serial number, then compare the original thermostat's temperature rating and size. This listing is associated with selected Mercury\/Mariner 30–40 HP applications and Chrysler\/Force 25–55 HP applications. Because fitment can vary by model and serial range, horsepower alone is not sufficient.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhat temperature is this thermostat rated for?\u003c\/summary\u003e\n        \u003cp\u003eThis product is cataloged as a 130°F (54°C) thermostat. Do not substitute it for a 143°F or another temperature-rated thermostat unless the engine manufacturer's specification confirms that substitution.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhich reference numbers does this thermostat replace?\u003c\/summary\u003e\n        \u003cp\u003eThe company catalog lists Mercury Marine 895338 and Chrysler\/Force F97068-2 as primary references. Additional listed references include Sierra Marine 18-3556, Mallory Marine 9-43025, and GLM 13200. Always verify the complete application and temperature specification.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eDoes the package include a gasket or seal?\u003c\/summary\u003e\n        \u003cp\u003eThe company package information identifies one thermostat and does not identify a separate gasket or seal as included. Obtain the sealing component specified for your engine if your service procedure requires one.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhat are common signs of a thermostat problem?\u003c\/summary\u003e\n        \u003cp\u003eA thermostat that is stuck open may allow the engine to run too cool, while one that is stuck closed can contribute to overheating. Temperature alarms, abnormal temperature readings, poor warm-up behavior, or inconsistent cooling-system performance should be diagnosed using the engine manufacturer's service procedure.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eIs this an OEM thermostat?\u003c\/summary\u003e\n        \u003cp\u003eNo. This listing is for an aftermarket replacement. The OEM and aftermarket numbers shown on this page are reference numbers used for identification and fitment comparison.\u003c\/p\u003e\n    \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003eNever remove the thermostat housing while the engine or cooling system is hot.\u003c\/li\u003e\n        \u003cli\u003eVerify the temperature rating, size, model, and serial-number conditions before ordering.\u003c\/li\u003e\n        \u003cli\u003eDo not rely on horsepower alone to confirm compatibility.\u003c\/li\u003e\n        \u003cli\u003eFollow the applicable service manual for installation, torque, sealing, coolant, and testing procedures.\u003c\/li\u003e\n        \u003cli\u003eProfessional installation is recommended if the correct procedure or application is uncertain.\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\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical replacement components for selected marine-engine applications.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Reference numbers and fitment information are provided to support proper part comparison.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCustomer Support\u003c\/strong\u003e — Contact support with your engine brand, model, horsepower, and serial number when application details need to be confirmed.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723806871867,"sku":"23TH608","price":24.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Thermostat_for_Mercury_Mariner_30_40HP_2_Cylinder_Outboard_Engine_895338___895338_-_JLM_MARINE-8291393.jpg?v=1763032280"}],"url":"https:\/\/seasierra.com\/collections\/force-2-stroke-30-40hp-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}