{"title":"Volvo Penta 4-Stroke Outboard\/Inboard Marine Engines (200-425HP)","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is dedicated to Volvo Penta 4‑Stroke 200–425HP outboard engines and is designed to help you quickly find compatible parts and essential service information. Below you’ll find maintenance tips, commonly replaced components, and troubleshooting guidance. You can also browse our main Volvo Penta collection. Scroll to the bottom of this 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 by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; 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;\"\u003e\n  \u003ch2\u003eHow to Identify Your 200–425HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate\/serial plate location: on outboards, check the transom\/swivel bracket; on inboard\/sterndrive packages, look on the starboard side of the engine block or rocker cover and note the drive serial on the upper gear housing.\u003c\/li\u003e\n    \u003cli\u003eModel code and suffix: codes often include displacement and rating (e.g., D8‑425 for diesel inboards; V6‑240 or V8‑300 for gasoline sterndrive packages). Suffixes may indicate control type, emissions variant, or cooling setup.\u003c\/li\u003e\n    \u003cli\u003ePlatform clues: 4‑stroke gasoline V6\/V8 engines feature spark‑ignition and EFI; 4‑stroke diesels like the D8 are inline‑6 common‑rail with turbocharging and aftertreatment.\u003c\/li\u003e\n    \u003cli\u003eEmissions\/cooling: diesel inboards may show IMO\/EU Stage labels and use heat‑exchanger or keel cooling; note these when selecting service parts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline‑6 Diesel Inboard (Upper End ~425 HP)\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‑6, ~7.7L 4‑stroke diesel, common‑rail injection, turbocharged with advanced emissions controls (SCR on applicable variants).\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;\"\u003eD8‑425 (MH) and related D8 variants depending on vessel application and emissions stage.\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;\"\u003eHigh marine torque for heavy loads and steady cruising; strong fuel efficiency; robust construction for commercial and leisure duty.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm cooling type (heat‑exchanger vs. keel cooling), emissions hardware (SCR\/DEF), and control system when choosing filters, anodes, and pumps.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eGasoline V6\/V8 4‑Stroke (Approx. 200–350 HP Sterndrive\/Inboard)\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;\"\u003e4‑stroke EFI gasoline V6\/V8 with seawater or closed cooling, paired with sterndrive or inboard transmissions.\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;\"\u003eV6‑200, V6‑240, V8‑300, V8‑350 (naming varies by year and market).\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;\"\u003eSmooth operation, strong mid‑range torque, wide parts availability for routine service.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch ignition parts (plugs, coils) and seawater pump kits to the exact model\/serial; verify drive ratio and propeller spec for performance issues.\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;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical pleasure duty. Always follow the official Volvo Penta service manual for your exact model and operating profile.\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 (4‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eUse oil grade\/spec listed for your specific gasoline or diesel model.\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\/drive)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect magnet for debris; pressure test if contamination is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta\"\u003eVolvo Penta\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 (gasoline V6\/V8)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eNot used on diesels; gap and torque per spec.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark plug\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;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eReplace primary and secondary (diesel) as applicable; drain bowls regularly.\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;\"\u003e200 hours or 2 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eShorten interval for sandy\/silty or high‑temperature operation.\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; border-bottom:1px solid #eee;\"\u003eAnodes (zinc\/aluminum\/magnesium)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect every 50 hours; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eMatch alloy to water type (salt, brackish, fresh).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-anodes\"\u003eVolvo Penta Anodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSerpentine\/alternator belt (if equipped)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e200 hours or 2 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect for cracking or glazing; replace if noisy or slipping.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/belt\"\u003eBelt\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;\"\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-pump-repair-kits\"\u003eVolvo Penta Water Pump Repair Kits\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 \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-starters\"\u003eVolvo Penta Starters\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\u003ePropulsion – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-propellers\"\u003eVolvo Penta Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eSensors \u0026amp; Management – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-sensors\"\u003eVolvo Penta Sensors\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px;\"\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, debris at water inlets, and impeller condition; verify thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWater pump kit, thermostat, intake screen, anodes\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 condition\/pitch, fuel quality, and filters; on diesels, inspect boost hoses and intercooler for leaks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFuel filters, propeller, air filter, boost hoses\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 battery voltage and grounds; prime fuel system; inspect spark plugs (gasoline) or injector return (diesel).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSpark plugs (gas), fuel filter, starter, sensors\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;\"\u003eDrain and inspect oil; check water intrusion with pressure\/vac test; verify prop shaft straightness.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eLower unit seal kit, bearings, prop hardware\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEmissions\/aftertreatment warning (diesel)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm DEF\/urea quality and level; inspect NOx\/temperature sensors; check for exhaust leaks upstream of catalyst.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSensors, clamps, gaskets\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;\"\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\u003eNot reliably. Volvo Penta engines and drives can change across years and emissions stages. Always verify by model\/serial, cooling type, and drive variant before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, replace every 200 hours or 2 years, sooner for heavy use or sandy\/silty water. Replace immediately if you see weak water flow or overheat alarms.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eEvery 100 hours or annually. Inspect drained oil for water or metal debris and pressure‑test the unit if contamination is found.\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\u003eProvide the full engine model and serial number, drive model\/serial (if sterndrive), cooling configuration, and any emissions designation (e.g., Stage V\/IMO III). Photos of the nameplate and the part to be replaced are very 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;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse our main Volvo Penta collection to get started.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta\" style=\"display:inline-block; margin:8px 0; padding:10px 14px; background:#0b5; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Volvo Penta Parts\u003c\/a\u003e\n  \u003cp style=\"color:#555; font-size:0.95em;\"\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":"upper-exhaust-bellow-fits-omc-volvo-penta-4-3l-8-2l-replaces-3852696-913405","title":"Upper Exhaust Bellows for OMC Cobra and Volvo Penta Stern Drives – 4.3L to 8.2L, Replaces 3852696","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 {\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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eUpper Exhaust Bellows\u003c\/strong\u003e is an aftermarket replacement for selected OMC Cobra and Volvo Penta stern-drive and out-drive applications. It is used in the upper exhaust connection and is listed for compatible 4.3L through 8.2L marine engine applications.\u003c\/p\u003e\n\u003cp\u003eThe company fitment record identifies this exhaust and cooling hose as a replacement for OEM number \u003cstrong\u003e3852696\u003c\/strong\u003e. Catalog references also identify Sierra \u003cstrong\u003e18-2779\u003c\/strong\u003e as an exhaust hose that replaces 3852696. Always compare the existing hose, drive configuration, engine model, and application details before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUpper exhaust bellows for selected OMC Cobra and Volvo Penta stern-drive applications.\u003c\/li\u003e\n  \u003cli\u003eSingle replacement bellows; this is not a multi-part kit.\u003c\/li\u003e\n  \u003cli\u003eDesigned to connect the upper exhaust path and help maintain a secure exhaust and cooling-hose connection.\u003c\/li\u003e\n  \u003cli\u003eConfirm the part number and physical hose dimensions before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following numbers are manufacturer or aftermarket cross-reference numbers associated with this upper exhaust bellows. Cross-reference numbers are provided for identification and should be checked against the complete application.\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 or Reference\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\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e3852696\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEvinrude \/ Johnson \/ OMC \/ BRP\u003c\/td\u003e\n\u003ctd\u003e3852696\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEvinrude \/ Johnson\u003c\/td\u003e\n\u003ctd\u003e778072\u003c\/td\u003e\n\u003ctd\u003eOEM reference listed by the company catalog\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEvinrude\u003c\/td\u003e\n\u003ctd\u003e0913405\u003c\/td\u003e\n\u003ctd\u003eOEM reference listed by the company catalog\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\u003c\/td\u003e\n\u003ctd\u003e913405\u003c\/td\u003e\n\u003ctd\u003eOEM reference listed by the company catalog\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e89224\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory Marine\u003c\/td\u003e\n\u003ctd\u003e9-72802\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra Marine\u003c\/td\u003e\n\u003ctd\u003e18-2779\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe company application record lists the following compatible engine model families. The listed models are grouped by engine size; year, serial-number, shaft-length, and individual drive-configuration restrictions are not provided in the company record. Confirm the complete engine and stern-drive identification 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\u003eEngine Size\u003c\/th\u003e\n        \u003cth\u003eListed Models\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eOEM Reference\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e4.3L\u003c\/td\u003e\n        \u003ctd\u003eGL, GS, GI, GXI, OSI\u003c\/td\u003e\n        \u003ctd\u003eNot specified in the company record\u003c\/td\u003e\n        \u003ctd\u003e3852696\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e5.0L\u003c\/td\u003e\n        \u003ctd\u003eFI, GL, FL, GXI, OSI\u003c\/td\u003e\n        \u003ctd\u003eNot specified in the company record\u003c\/td\u003e\n        \u003ctd\u003e3852696\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e5.7L\u003c\/td\u003e\n        \u003ctd\u003eGL, GI, GIL, OSI, GXI, OSXI\u003c\/td\u003e\n        \u003ctd\u003eNot specified in the company record\u003c\/td\u003e\n        \u003ctd\u003e3852696\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e5.8L\u003c\/td\u003e\n        \u003ctd\u003eFL, FI, FSI\u003c\/td\u003e\n        \u003ctd\u003eNot specified in the company record\u003c\/td\u003e\n        \u003ctd\u003e3852696\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e7.4L\u003c\/td\u003e\n        \u003ctd\u003eGL, GI\u003c\/td\u003e\n        \u003ctd\u003eNot specified in the company record\u003c\/td\u003e\n        \u003ctd\u003e3852696\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e8.1L\u003c\/td\u003e\n        \u003ctd\u003eGI, GXI, OSI\u003c\/td\u003e\n        \u003ctd\u003eNot specified in the company record\u003c\/td\u003e\n        \u003ctd\u003e3852696\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e8.2L\u003c\/td\u003e\n        \u003ctd\u003eGL\u003c\/td\u003e\n        \u003ctd\u003eNot specified in the company record\u003c\/td\u003e\n        \u003ctd\u003e3852696\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eUpper exhaust bellows \/ exhaust hose\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected OMC Cobra and Volvo Penta stern-drive and out-drive systems\u003c\/dd\u003e\n  \u003cdt\u003eEngine Range\u003c\/dt\u003e\n  \u003cdd\u003eListed applications from 4.3L through 8.2L\u003c\/dd\u003e\n  \u003cdt\u003ePrimary OEM Reference\u003c\/dt\u003e\n  \u003cdd\u003e3852696\u003c\/dd\u003e\n  \u003cdt\u003eAftermarket References\u003c\/dt\u003e\n  \u003cdd\u003eGLM 89224, Mallory Marine 9-72802, Sierra Marine 18-2779\u003c\/dd\u003e\n  \u003cdt\u003ePhysical Dimensions\u003c\/dt\u003e\n  \u003cdd\u003eVerify the dimensions of the original hose and the available mounting space before installation.\u003c\/dd\u003e\n  \u003cdt\u003eMaterial and Color\u003c\/dt\u003e\n  \u003cdd\u003eNot specified in the company product record.\u003c\/dd\u003e\n  \u003cdt\u003eInstallation Position\u003c\/dt\u003e\n  \u003cdd\u003eUpper exhaust connection\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Upper Exhaust Bellows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHose clamps, tools, gaskets, and other installation hardware are not listed as included unless specifically supplied with the order.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eTurn off the engine, remove the ignition key, and disconnect the battery before beginning work.\u003c\/li\u003e\n  \u003cli\u003eGain access to the upper exhaust connection and identify the existing hose routing and clamp positions.\u003c\/li\u003e\n  \u003cli\u003eLoosen and remove the clamps, then remove the old bellows without damaging the adjoining exhaust or drive components.\u003c\/li\u003e\n  \u003cli\u003eClean and inspect both mounting surfaces. Replace corroded clamps or damaged adjacent components as required.\u003c\/li\u003e\n  \u003cli\u003ePosition the replacement bellows in the same orientation as the original and seat it fully on both connections.\u003c\/li\u003e\n  \u003cli\u003eSecure the hose with suitable clamps tightened according to the engine or drive manufacturer's service instructions.\u003c\/li\u003e\n  \u003cli\u003eAfter installation, reconnect the battery and inspect the area while running the engine. Check for exhaust, water, or cooling-system leaks before returning the boat to service.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this bellows fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eStart by checking whether your engine and drive match the listed OMC Cobra or Volvo Penta application and whether the existing component corresponds to OEM reference 3852696. Compare the original hose's position, connection size, and overall dimensions. Because year and serial-number limits are not supplied in the company record, confirm those details with the engine or drive service information when applicable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the difference between an upper and lower exhaust hose?\u003c\/summary\u003e\n  \u003cp\u003eThis product is an upper exhaust bellows. Upper and lower exhaust hoses can have different dimensions, shapes, and application ranges. Do not substitute a lower hose solely because the engine displacement appears similar.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a damaged exhaust bellows?\u003c\/summary\u003e\n  \u003cp\u003eInspect for cracks, splits, hardening, deformation, loose connections, exhaust odor, water leakage, or visible deterioration. A damaged exhaust bellows should be replaced promptly to help prevent further exhaust and water-ingress problems.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eAre clamps included?\u003c\/summary\u003e\n  \u003cp\u003eNo clamps or other hardware are specified as included. Reuse existing hardware only if it is suitable and in good condition, and follow the manufacturer's service instructions for clamp selection and tightening.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is for an aftermarket replacement bellows. OEM and aftermarket numbers are shown only as application and cross-reference information. OMC, Volvo Penta, Evinrude, Johnson, BRP, GLM, Mallory, and Sierra are referenced trademarks of their respective owners.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the complete engine, stern-drive, and existing-part details before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on engine displacement alone; upper and lower exhaust hoses may not be interchangeable.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery and allow the engine and exhaust components to cool before installation.\u003c\/li\u003e\n  \u003cli\u003eInspect the finished installation for exhaust and water leaks before operating the boat.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when access is restricted or the drive and exhaust system require disassembly.\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 Parts Support\u003c\/strong\u003e — We provide replacement components for a range of marine engine and stern-drive applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product pages include available OEM and aftermarket references to help with part identification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService-Minded Assistance\u003c\/strong\u003e — Contact support with your engine model, drive model, and existing part number if you need help comparing an application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723797500219,"sku":"17B1011","price":24.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Upper_Exhaust_Bellow_for_OMC_Cobra_Stern_Drive_Volvo_Penta_43_50_58_74_81_82_L_King_460_Engines_______3852696_-_JLM_MARINE-8287778.jpg?v=1763032019"}],"url":"https:\/\/seasierra.com\/collections\/volvo-penta-4-stroke-outboard-inboard-marine-engines-200-425hp.oembed","provider":"SeaSierra","version":"1.0","type":"link"}