{"title":"Volvo Penta 4-Stroke Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; max-width:1000px; margin:0 auto;\"\u003e\n  \u003cp\u003eThis page is dedicated to Volvo Penta 4‑Stroke outboard engines. Use it to find compatible parts and essential service information. Below you’ll find maintenance tips, frequently replaced components, and troubleshooting guidance. You can also browse our main Volvo Penta collection. Scroll to the bottom of the page to start browsing parts for this engine, and remember that on the collection page you can use the “Filter \u0026amp; Sort” controls to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta\" style=\"display:inline-block; padding:10px 16px; background:#0b5; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Volvo Penta Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px; max-width:1000px; margin:0 auto;\"\u003e\n  \u003ch2\u003eHow to Identify Your Volvo Penta 4‑Stroke Outboard Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the identification plate: commonly on the transom\/clamp bracket or swivel bracket. Record the full model designation and serial number.\u003c\/li\u003e\n    \u003cli\u003eDecode the model suffix: letters often indicate shaft length (L\/XL), control type (tiller vs. remote), and starting\/charging options. A year\/series code may be included.\u003c\/li\u003e\n    \u003cli\u003eConfirm platform: 4‑stroke models have an engine oil fill cap and dipstick; cowling size and cylinder count can help distinguish inline 3\/4‑cylinder from larger V‑block platforms.\u003c\/li\u003e\n    \u003cli\u003eNote gearcase details: some tags show gear ratio or production codes—useful when selecting propellers and lower‑unit seals.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px; max-width:1000px; margin:0 auto;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eInline 3\/4‑Cylinder 4‑Stroke Outboards\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 #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInline‑3 or Inline‑4 fuel‑injected 4‑stroke outboards with conventional cowling and remote or tiller controls.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eTypical mid‑range horsepower models used on runabouts, RIBs, and fishing boats (model codes vary by market and year).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eQuiet operation, good fuel economy, straightforward maintenance, broad parts availability.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eService items (filters, plugs, anodes, impellers) often interchange across close horsepower variants—always verify by serial\/model code.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eV6\/V8 4‑Stroke Outboards\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 #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eLarge‑displacement V6 or V8 EFI 4‑stroke platforms designed for high‑thrust applications and heavier hulls.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eHigh‑horsepower outboards powering performance center consoles and offshore boats (confirm exact family by serial).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eStrong mid‑range torque, smooth running, robust charging output for electronics.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCooling and fuel components (pumps, thermostats, filters) may be platform‑specific. Match by serial, gear ratio, and control system.\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; max-width:1000px; margin:0 auto;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow the official Volvo Penta service manual and adjust for severe duty, commercial use, or salt\/silt‑heavy environments.\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 #ddd; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWarm engine before draining; replace crush washer if applicable; verify oil spec\/grade.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-service-maintenance-kits\"\u003eVolvo Penta Service \u0026amp; Maintenance Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect for water intrusion and metal debris; replace gaskets\/washers at each change.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta\"\u003eVolvo Penta Collection\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect every 100 hours; replace 100–200 hours or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eGap to spec; replace sooner if fouled, misfiring, or corroded.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\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 style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eDrain water as needed; replace element if contaminated or flow‑restricted.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-fuel-filters\"\u003eVolvo Penta Fuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 2–3 seasons or ~200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eReplace sooner if weak tell‑tale, overheat alarms, or sandy\/silty use.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-water-pump-repair-kits\"\u003eVolvo Penta Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes (corrosion protection)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect each service; replace when ~50% eroded\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch material (aluminum\/magnesium\/zinc) to water type; ensure clean bonding surfaces.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-anodes\"\u003eVolvo Penta Anodes\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=\"padding:16px; max-width:1000px; margin:0 auto;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-service-maintenance-kits\"\u003eVolvo Penta Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-water-pumps\"\u003eVolvo Penta Water Pumps\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-fuel-filters\"\u003eVolvo Penta Fuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Start: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-starters\"\u003eVolvo Penta Starters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCharging: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-alternators\"\u003eVolvo Penta Alternators\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-anodes\"\u003eVolvo Penta Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase Seals: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-lower-unit-seal-kits\"\u003eVolvo Penta Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px; max-width:1000px; margin:0 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 #ddd; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect intake screens for debris; verify impeller condition; check thermostat and hose kinks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWater pump repair kit, thermostat, intake screen, hoses.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCheck prop damage\/cavitation; replace fuel filter; inspect spark plugs; confirm throttle opening.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePropeller, fuel filter, spark plugs, air\/fuel sensors.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eVerify fresh fuel and primer bulb firmness; check for vacuum leaks; inspect plugs and idle passages.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSpark plugs, fuel filter, sensors, gaskets.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCheck oil level\/condition; test for water intrusion; inspect seals and prop shaft for fishing line.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eLower unit seal kit, bearings, gear oil, prop shaft hardware.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eTrim\/tilt inoperative or weak\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify battery voltage and connections; listen for relay click; check fluid level; inspect for leaks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eTrim motor, relays\/switches, hydraulic seals, wiring.\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; max-width:1000px; margin:0 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 service items interchange within the same platform and displacement family, but many components are year‑, serial‑, and platform‑specific. Always match parts by full model designation and serial number.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eFor most recreational use, replace the impeller every 2–3 seasons or about 200 hours. In sandy, silty, or high‑temperature operation, service more frequently or at the first sign of a weak tell‑tale stream.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change the gear oil?\u003c\/summary\u003e\n    \u003cp\u003eChange the gear oil every 100 hours or annually and any time you see milky oil, water, or metallic debris. Replace drain\/fill gaskets at each service.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the full model code, serial number, shaft length (L\/XL), control type (tiller\/remote), and any notes from the gearcase tag (ratio). Photos of the nameplate and the part you’re replacing are helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; max-width:1000px; margin:0 auto;\"\u003e\n  \u003cp\u003eReady to find what you need? Browse the main Volvo Penta collection and use the filters to narrow by horsepower, year, and model.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta\" style=\"display:inline-block; padding:10px 16px; background:#0b5; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Volvo Penta Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; font-size:0.9em; opacity:0.9;\"\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-kit-160-f-fits-omc-cobra-volvo-penta-3-8l-7-5l-v6-v8-replaces-383307-3856961","title":"160°F Marine Thermostat Kit for MerCruiser, OMC Cobra \u0026 Volvo Penta 4.3L–5.8L Engines","description":"\u003csection\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 { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e160°F (71°C) marine thermostat kit\u003c\/strong\u003e is a direct replacement kit for selected MerCruiser, OMC Cobra and Volvo Penta stern-drive and inboard marine engine applications. It is intended for the cooling systems of 4.3L engines, selected 5.0L engines, 5.7L engines except OSi applications, and 5.8L engines.\u003c\/p\u003e\n\u003cp\u003eThe kit is also listed for OMC applications through 1993, excluding four-cylinder GM engines using the 1980-and-newer thermostat arrangement. Always compare the thermostat, housing and sealing arrangement on your engine before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e160°F (71°C) operating temperature rating.\u003c\/li\u003e\n\u003cli\u003eIncludes the thermostat and the sealing components specified for this kit.\u003c\/li\u003e\n\u003cli\u003eAftermarket replacement for listed OEM and aftermarket reference numbers.\u003c\/li\u003e\n\u003cli\u003eDesigned for marine stern-drive and related engine cooling applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThe following numbers are listed as OEM, manufacturer or aftermarket reference numbers for this application. They are provided for cross-reference only; confirm the complete engine and cooling-system configuration before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Thermostat kit part number references\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReference Type\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e802259\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e802326\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e45-802326\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e379754\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e383307\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e3852216\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC\u003c\/td\u003e\n\u003ctd\u003e778056\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e3852127\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e3852216\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e3856961\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAftermarket\u003c\/td\u003e\n\u003ctd\u003e18-3653, 18-3554, 18-3677\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAftermarket\u003c\/td\u003e\n\u003ctd\u003e18-3653D, 18-3677D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eCompany fitment information lists the following engine families and model groups. Model, serial-number and cooling-system variations can affect fitment, so verify the existing thermostat and gasket arrangement before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"MerCruiser and Volvo Penta engine compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand or Application\u003c\/th\u003e\n\u003cth\u003eEngine \/ Model Information\u003c\/th\u003e\n\u003cth\u003eTemperature\u003c\/th\u003e\n\u003cth\u003eFitment Notes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser stern-drive\u003c\/td\u003e\n\u003ctd\u003e4.3L, all models\u003c\/td\u003e\n\u003ctd\u003e160°F (71°C)\u003c\/td\u003e\n\u003ctd\u003eConfirm the installed housing and seal arrangement.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser stern-drive\u003c\/td\u003e\n\u003ctd\u003e5.0 FiP, FLP, GiP, GLP, GL, GXi and OSi\u003c\/td\u003e\n\u003ctd\u003e160°F (71°C)\u003c\/td\u003e\n\u003ctd\u003eListed model groups; verify the complete engine configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser stern-drive\u003c\/td\u003e\n\u003ctd\u003e5.7L\u003c\/td\u003e\n\u003ctd\u003e160°F (71°C)\u003c\/td\u003e\n\u003ctd\u003eAll models except OSi applications as listed by the company.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser stern-drive\u003c\/td\u003e\n\u003ctd\u003e5.8L, all models\u003c\/td\u003e\n\u003ctd\u003e160°F (71°C)\u003c\/td\u003e\n\u003ctd\u003eConfirm the original thermostat and gasket layout.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC Cobra \/ stern-drive\u003c\/td\u003e\n\u003ctd\u003eOMC applications through 1993\u003c\/td\u003e\n\u003ctd\u003e160°F (71°C)\u003c\/td\u003e\n\u003ctd\u003eExcludes four-cylinder GM engines using the 1980-and-newer thermostat arrangement.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta stern-drive\u003c\/td\u003e\n\u003ctd\u003e4.3L, all models\u003c\/td\u003e\n\u003ctd\u003e160°F (71°C)\u003c\/td\u003e\n\u003ctd\u003eConfirm the original housing and sealing components.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta stern-drive\u003c\/td\u003e\n\u003ctd\u003e5.0 FiP, FLP, GiP, GLP, GL, GXi and OSi\u003c\/td\u003e\n\u003ctd\u003e160°F (71°C)\u003c\/td\u003e\n\u003ctd\u003eListed model groups; verify the complete engine configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta stern-drive\u003c\/td\u003e\n\u003ctd\u003e5.7L, all models except OSi\u003c\/td\u003e\n\u003ctd\u003e160°F (71°C)\u003c\/td\u003e\n\u003ctd\u003eCompare the original thermostat before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta stern-drive\u003c\/td\u003e\n\u003ctd\u003e5.8L, all models\u003c\/td\u003e\n\u003ctd\u003e160°F (71°C)\u003c\/td\u003e\n\u003ctd\u003eConfirm the original housing and gasket arrangement.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eMarine engine thermostat kit\u003c\/dd\u003e\n\u003cdt\u003eTemperature Rating\u003c\/dt\u003e\n\u003cdd\u003e160°F (71°C)\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected MerCruiser, OMC Cobra and Volvo Penta stern-drive and marine engine cooling systems\u003c\/dd\u003e\n\u003cdt\u003eConstruction\u003c\/dt\u003e\n\u003cdd\u003eThermostat with replacement sealing components\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement when the listed part number and cooling-system configuration match\u003c\/dd\u003e\n\u003cdt\u003eProduct Status\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement, not an original equipment component\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 160°F thermostat\u003c\/li\u003e\n\u003cli\u003e1 × O-ring\u003c\/li\u003e\n\u003cli\u003e1 × gasket\u003c\/li\u003e\n\u003cli\u003e1 × additional gasket\u003c\/li\u003e\n\u003cli\u003e1 × housing gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGasket shapes and component markings may vary by production batch. Match each supplied seal to the original component and the service-manual installation diagram.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eAllow the engine to cool completely and follow the safety procedures in the engine service manual.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery or otherwise isolate the starting system before beginning service.\u003c\/li\u003e\n\u003cli\u003ePlace a suitable drain pan beneath the thermostat housing and manage coolant or water according to the engine’s cooling-system design.\u003c\/li\u003e\n\u003cli\u003eRemove the thermostat housing fasteners and carefully separate the housing from the engine.\u003c\/li\u003e\n\u003cli\u003eNote the orientation of the old thermostat and the position of each gasket and O-ring.\u003c\/li\u003e\n\u003cli\u003eRemove all old sealing material from the mating surfaces without damaging the housing or engine.\u003c\/li\u003e\n\u003cli\u003eInstall the new thermostat in the same orientation as the original part.\u003c\/li\u003e\n\u003cli\u003eInstall the supplied O-ring and gaskets in the locations specified for your exact engine model.\u003c\/li\u003e\n\u003cli\u003eReinstall the housing and tighten the fasteners to the torque specified by the engine manufacturer.\u003c\/li\u003e\n\u003cli\u003eRestore the cooling system as required, reconnect the battery, run the engine according to the service procedure and check for leaks and proper operating temperature.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I confirm that this kit fits my engine?\u003c\/summary\u003e\n\u003cp\u003eCompare the original thermostat and housing arrangement with the compatibility information and part-number references above. Check the exact engine model, serial information and cooling-system configuration in the service manual. Do not rely on displacement alone.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does the 160°F rating mean?\u003c\/summary\u003e\n\u003cp\u003eThe thermostat is designed to regulate engine coolant or cooling-water flow around 160°F (71°C), subject to the engine’s cooling-system design and operating conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat symptoms can indicate a thermostat problem?\u003c\/summary\u003e\n\u003cp\u003ePossible symptoms include overheating, an engine that runs cooler than expected, unstable temperature readings, restricted cooling flow or leakage around the thermostat housing. Inspect the complete cooling system before replacing the thermostat.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre all of the listed gaskets used on every engine?\u003c\/summary\u003e\n\u003cp\u003eThe kit includes the sealing components listed by the company, but the exact components used during installation depend on the engine and housing configuration. Follow the service-manual diagram for your specific application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this an OEM thermostat?\u003c\/summary\u003e\n\u003cp\u003eNo. This is an aftermarket replacement kit. The OEM and aftermarket numbers shown above are reference numbers used to help confirm application and interchange.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use a different thermostat temperature?\u003c\/summary\u003e\n\u003cp\u003eUse the temperature rating specified for your engine. Replacing a 160°F thermostat with a different rating can change engine operating temperature and may affect cooling-system performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNever open a hot cooling system. Allow the engine to cool before removing the thermostat housing.\u003c\/li\u003e\n\u003cli\u003eVerify the original part number, thermostat dimensions, housing style and gasket arrangement before ordering.\u003c\/li\u003e\n\u003cli\u003eKeep model, serial-number and cooling-system conditions together when confirming fitment.\u003c\/li\u003e\n\u003cli\u003eUse the engine manufacturer’s service procedures and specified fastener torque.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended if you are unfamiliar with marine engine cooling-system service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\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 — Replacement components for common marine engine and stern-drive service applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication-Focused Information\u003c\/strong\u003e — Product references and fitment details are provided to support part-number and configuration checks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-Ready Kits\u003c\/strong\u003e — This kit combines the 160°F thermostat with the listed O-ring and gasket components for a convenient replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718269899067,"sku":"23TH618","price":31.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23TH618_1_45ac0051-3ad4-43cb-b1d2-349e2bf7ac4c.jpg?v=1762958687"}],"url":"https:\/\/seasierra.com\/collections\/volvo-penta-4-stroke-outboard-marine-engine-parts-7.oembed","provider":"SeaSierra","version":"1.0","type":"link"}