{"title":"Volvo Penta 4-Stroke 135-150HP Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px;border:1px solid #e5e5e5;border-radius:8px;max-width:1060px;margin:0 auto 20px;\"\u003e\n  \u003cp\u003eThis page is dedicated to Volvo Penta 4-Stroke 135–150HP outboard engines. Use it to find compatible parts and service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Volvo Penta collection for a wider selection. Scroll to the bottom of this page to start browsing parts for this engine, and on the collection page use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-parts\" style=\"display:inline-block;padding:10px 16px;background:#0b5cab;color:#fff;text-decoration:none;border-radius:6px;\"\u003eBrowse All Volvo Penta Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:1060px;margin:0 auto 24px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 135–150HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate\/serial label: Typically found on the transom bracket or swivel bracket; a duplicate sticker may be under the engine cowl. Record model code and serial number.\u003c\/li\u003e\n    \u003cli\u003eReading the model code: Look for horsepower, shaft length (L = 20 in, XL = 25 in), and control type (tiller vs. remote). Suffix letters may indicate year or running changes.\u003c\/li\u003e\n    \u003cli\u003e4-stroke identifiers: Presence of an external oil filter, oil fill cap\/dipstick, and EFI fuel rail\/injectors. This distinguishes 4‑stroke outboards from older 2‑stroke designs.\u003c\/li\u003e\n    \u003cli\u003eShaft length check: Measure from the transom bracket mounting surface to the anti‑ventilation plate to confirm L (20\") or XL (25\") gearcase fitment.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:1060px;margin:0 auto 24px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline‑4 EFI 4‑Stroke (135–150 HP class)\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‑4, DOHC, EFI 4‑stroke outboard; freshwater\/raw-water cooling with rubber impeller sea pump.\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;\"\u003e135HP 4‑stroke models; 150HP 4‑stroke models (L and XL shaft variants; remote-control configurations).\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, good fuel economy, strong mid‑range torque, and broad parts availability for routine service.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eMany wear items (impeller kits, anodes, fuel filters, plugs) are shared across adjacent horsepower models; verify by model and serial number before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"max-width:1060px;margin:0 auto 24px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow your specific Volvo Penta service manual for procedures and schedules.\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;\"\u003eUse marine‑rated FC‑W oil; replace the spin‑on oil filter at each oil change.\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 or metal fines; replace drain\/fill plug gaskets as required.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-parts\"\u003eVolvo Penta Parts\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 200–300 hours or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eGap to spec; replace sooner if fouled, corroded, or misfire noted.\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;\"\u003eReplace more often with ethanol fuels or contamination; purge water bowl if equipped.\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 years or 200 hours (inspect annually)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eReplace sooner if overheat events, dry starts, or weak tell‑tale stream.\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% depleted\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eMatch anode material to your water type (salt, brackish, or 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    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"max-width:1060px;margin:0 auto 24px;\"\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\"\u003eWater Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-fuel-filters\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-sensors\"\u003eSensors\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-starters\"\u003eStarters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:1060px;margin:0 auto 24px;\"\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 blockage; verify thermostat operation; check impeller condition and pump housing wear.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eWater pump repair kit, impeller, thermostat, intake screen\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; replace fuel filter; inspect spark plugs; review ECM for stored fault codes (sensor issues).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003ePropeller, fuel filter, spark plugs, engine 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;\"\u003eConfirm fresh fuel and primer bulb firmness; look for air leaks in fuel lines; inspect plugs; clean\/inspect IAC and throttle body.\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 rattle or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eCheck oil level\/condition; inspect prop shaft for fishing line cutting seals; verify correct prop hub.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eLower unit seal kit, prop hardware, drain\/fill plug gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eLow charging voltage\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eLoad‑test battery; inspect cables\/grounds; test alternator output and regulator\/rectifier.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #eee;\"\u003eAlternator, rectifier\/regulator, battery cables\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"max-width:1060px;margin:0 auto 24px;\"\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 wear items are shared across 135–150HP 4‑stroke platforms, but sensors, fuel components, and gearcase parts can vary by year, shaft length, and serial range. Always verify by model and serial number before ordering.\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 preventive measure, replace the impeller about every 2 years or 200 hours. Replace sooner if you see weak tell‑tale flow, an overheat alarm, or any evidence of pump housing wear.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange lower unit gear oil every 100 hours or annually. Inspect for milky color (water intrusion) or metal particles; resolve seal or gear issues before further operation.\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 model code, full serial number, shaft length (L\/XL), and any known year or control type. Photos of the nameplate and the part needing replacement also help ensure an exact match.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px;border:1px solid #e5e5e5;border-radius:8px;max-width:1060px;margin:0 auto 24px;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse the full Volvo Penta collection to locate the correct components for your 135–150HP 4‑stroke outboard.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-parts\" style=\"display:inline-block;padding:10px 16px;background:#0b5cab;color:#fff;text-decoration:none;border-radius:6px;\"\u003eShop Volvo Penta Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n  \u003cp style=\"font-size:0.95em;color:#555;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need, and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"exhaust-manifold-gasket-fits-mercruiser-volvo-penta-omc-3-0l-engines-replaces-27-815528-3853256","title":"Exhaust Manifold Gasket for MerCruiser, OMC and Volvo Penta 3.0L\/3.0LX 4-Cylinder Engines – Replaces 27-815528, 3853256","description":"\u003csection\u003e\n\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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003eExhaust Manifold Gasket\u003c\/strong\u003e is designed for selected MerCruiser, OMC and Volvo Penta stern-drive applications using Chevrolet inline 4-cylinder engines, including MerCruiser 3.0L and 3.0LX models. It is supplied as a single gasket for the exhaust manifold connection.\u003c\/p\u003e\n\u003cp\u003eThe gasket is listed for MerCruiser 27-815528, Volvo Penta 3853256, OMC 914578 and OMC 0914578. It also cross-references to Sierra 18-0680, GLM 33580 and Mallory 9-61428.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle exhaust manifold gasket for a 4-cylinder marine engine application.\u003c\/li\u003e\n  \u003cli\u003eDirect replacement design for the listed original-equipment references.\u003c\/li\u003e\n  \u003cli\u003eSuitable for the specific engine models and application ranges shown below.\u003c\/li\u003e\n  \u003cli\u003eVerify the engine model, year range and original gasket before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following references are associated with this exhaust manifold gasket. Number references do not replace application verification.\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\u003eReference\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\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e27-815528 \/ 815528\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3853256\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC\u003c\/td\u003e\n        \u003ctd\u003e914578 \/ 0914578\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC Stern Drive\u003c\/td\u003e\n        \u003ctd\u003e3853256\u003c\/td\u003e\n        \u003ctd\u003eCross-reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-0680\u003c\/td\u003e\n        \u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e33580\u003c\/td\u003e\n        \u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory\u003c\/td\u003e\n        \u003ctd\u003e9-61428\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 \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm the complete engine model and application details before purchase. The listed conditions must match your engine together; a matching part number alone is not sufficient.\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\u003eModel or Application\u003c\/th\u003e\n        \u003cth\u003eEngine Description\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eRelated Reference\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eModels 120\/140\u003c\/td\u003e\n        \u003ctd\u003eInline 4-cylinder, 153\/181 CID\u003c\/td\u003e\n        \u003ctd\u003e1982–1995\u003c\/td\u003e\n        \u003ctd\u003e27-815528\u003c\/td\u003e\n        \u003ctd\u003eApplication listed by the company catalog.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003e3.0LX \/ 3.0L\u003c\/td\u003e\n        \u003ctd\u003eGM 181 CID, inline 4-cylinder\u003c\/td\u003e\n        \u003ctd\u003e1990 and newer\u003c\/td\u003e\n        \u003ctd\u003e27-815528\u003c\/td\u003e\n        \u003ctd\u003eIncludes the MCM 3.0LX and MCM 3.0L application ranges specified by the company.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eMCM 3.0LX\u003c\/td\u003e\n        \u003ctd\u003eInline 4-cylinder\u003c\/td\u003e\n        \u003ctd\u003e1990–1997\u003c\/td\u003e\n        \u003ctd\u003e27-815528\u003c\/td\u003e\n        \u003ctd\u003eSpecific model range listed by the company.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eMCM 3.0L\u003c\/td\u003e\n        \u003ctd\u003eInline 4-cylinder\u003c\/td\u003e\n        \u003ctd\u003e1998 and newer\u003c\/td\u003e\n        \u003ctd\u003e27-815528\u003c\/td\u003e\n        \u003ctd\u003eSpecific model range listed by the company.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3.0L applications\u003c\/td\u003e\n        \u003ctd\u003eApplication-specific 4-cylinder marine engine\u003c\/td\u003e\n        \u003ctd\u003eVerify by engine model\u003c\/td\u003e\n        \u003ctd\u003e3853256\u003c\/td\u003e\n        \u003ctd\u003eUse the original gasket and engine model to confirm fit.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOMC Cobra\u003c\/td\u003e\n        \u003ctd\u003e3.0L applications\u003c\/td\u003e\n        \u003ctd\u003eApplication-specific 4-cylinder marine engine\u003c\/td\u003e\n        \u003ctd\u003eVerify by engine model\u003c\/td\u003e\n        \u003ctd\u003e914578 \/ 0914578\u003c\/td\u003e\n        \u003ctd\u003eUse the original gasket and engine model to confirm fit.\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\u003eExhaust manifold gasket\u003c\/dd\u003e\n  \u003cdt\u003eQuantity\u003c\/dt\u003e\n  \u003cdd\u003e1 gasket\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected marine stern-drive exhaust manifold applications\u003c\/dd\u003e\n  \u003cdt\u003eEngine Configuration\u003c\/dt\u003e\n  \u003cdd\u003eInline 4-cylinder applications as listed above\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eDirect replacement; installation must follow the engine manufacturer's service procedures\u003c\/dd\u003e\n  \u003cdt\u003eBrand Status\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement part\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Exhaust Manifold Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo additional manifold, riser gasket, O-ring or complete gasket repair kit is included with this single-gasket listing.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eAllow the engine to cool completely, disconnect the battery and follow the manufacturer's safety procedures.\u003c\/li\u003e\n  \u003cli\u003eDrain or isolate the cooling system as required by the engine service manual.\u003c\/li\u003e\n  \u003cli\u003eRemove the exhaust manifold and discard the old gasket.\u003c\/li\u003e\n  \u003cli\u003eClean the cylinder-head and manifold mating surfaces carefully. Remove old gasket material, rust and debris without damaging the sealing surfaces.\u003c\/li\u003e\n  \u003cli\u003ePosition the new gasket in the correct orientation. Do not apply sealant unless the engine manufacturer's service manual specifically requires it.\u003c\/li\u003e\n  \u003cli\u003eReinstall the manifold and tighten the fasteners in the specified sequence and to the specified torque.\u003c\/li\u003e\n  \u003cli\u003eRestore the cooling system, reconnect the battery and inspect for exhaust or coolant leaks after starting the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a failing exhaust manifold gasket?\u003c\/summary\u003e\n  \u003cp\u003ePossible signs include an exhaust ticking or tapping noise, soot or carbon marks near the manifold joint, exhaust odor in the engine compartment, coolant leakage and reduced engine performance. Inspect the complete exhaust and cooling system before replacing the gasket.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this gasket fit both MerCruiser 3.0L and 3.0LX engines?\u003c\/summary\u003e\n  \u003cp\u003eYes, the company application data lists MCM 3.0L models from 1998 and newer and MCM 3.0LX models from 1990–1997. Earlier MerCruiser 120\/140 inline 4-cylinder applications from 1982–1995 are also listed. Confirm your exact engine model and original gasket before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a complete exhaust manifold gasket kit?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for one exhaust manifold gasket only. It does not include the additional gaskets, O-rings or other components found in separate manifold repair kits.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShould sealant be used during installation?\u003c\/summary\u003e\n  \u003cp\u003eInstall the gasket according to the engine manufacturer's service manual. Do not use sealant unless the manual specifically calls for an approved sealant and application method.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhen should the gasket be replaced?\u003c\/summary\u003e\n  \u003cp\u003eThere is no universal replacement interval. Replace the gasket whenever the manifold is removed or when inspection shows leakage, damage or loss of sealing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM gasket?\u003c\/summary\u003e\n  \u003cp\u003eThis is an aftermarket replacement gasket. MerCruiser, Volvo Penta and OMC references are provided for application identification and cross-reference purposes.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eFitment and Safety Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the engine brand, model, year range, cylinder configuration and original gasket reference before purchase.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on a part number alone when several engine versions or exhaust configurations exist.\u003c\/li\u003e\n  \u003cli\u003eCompare the replacement gasket's shape and openings with the removed gasket before installation.\u003c\/li\u003e\n  \u003cli\u003eUse proper ventilation and follow all battery, fuel, cooling-system and hot-engine safety procedures during service.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the required service procedure or torque specifications are unavailable.\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 Replacement Parts\u003c\/strong\u003e — We supply application-focused replacement components for marine engines and stern drives.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication Clarity\u003c\/strong\u003e — Product information is organized around engine models, reference numbers and installation requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePractical Support\u003c\/strong\u003e — Compare your original component and confirm fitment details before ordering or installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718264361275,"sku":"23GT304","price":26.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Exhaust_Manifold_Gasket_for_MerCruiser_Stern_Drive_OMC_and_Volvo_Penta_30L_30LX_4-Cyl________27-815528_-_JLM_MARINE-8287571.jpg?v=1762958468"}],"url":"https:\/\/seasierra.com\/collections\/volvo-penta-4-stroke-135-150hp-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}