{"title":"OMC 4-Stroke 110HP Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is dedicated to OMC 4-Stroke 110HP outboard engines. Use it to find compatible parts and service information, including maintenance tips, common replacement items, and troubleshooting guidance. You can also browse our main Johnson\/Evinrude\/OMC collection. Scroll to the bottom of this page to start browsing parts for your engine. On the collection page, 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\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#0d6efd; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Johnson\/Evinrude\/OMC Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 110HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the nameplate\/serial plate on the transom bracket or swivel bracket. It typically lists the model code, serial number, and shaft length.\u003c\/li\u003e\n    \u003cli\u003eRead the model code and suffix: letters often indicate shaft length (e.g., S\/L\/XL), control type (tiller\/remote), and market year. Keep these handy when checking parts.\u003c\/li\u003e\n    \u003cli\u003eConfirm it is a 4-stroke model. OMC\/Johnson\/Evinrude 110HP designations exist in both older 2-stroke and later 4-stroke platforms; parts are not interchangeable across stroke types.\u003c\/li\u003e\n    \u003cli\u003eCheck the engine cover label and intake layout: 4-stroke 110HP engines are commonly inline-4 with EFI or carburetion, using an oil filter and separate engine oil reservoir.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eEngine Platform Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline-4 4-Stroke Platform (Typical for 110HP)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInline-4, 4-stroke, typically EFI (some units may be carbureted). Electric start, remote control or tiller variants.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e110HP 4-stroke outboard models in the 90–115 inline-4 family; verify by model code and serial for exact parts matching.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eGood fuel economy, quiet operation, broad mid‑range torque, straightforward service access for filters and plugs.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eSome parts are shared with 90–115HP siblings (cooling and gearcase components), but confirm gaskets, sensors, and calibration-specific items by model code.\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=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for 4-stroke outboards. Always follow the official service manual for your exact model and operating conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEngine oil \u0026amp; filter\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eUse marine 4-stroke oil of the specified viscosity; replace filter at each oil change.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect for water intrusion and metal shavings; replace seals if contamination is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-lower-unit-seal-kits\"\u003eJohnson\/Evinrude\/OMC Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eReplace if fouled, worn, or out of gap; verify heat range per model.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\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:6px;\"\u003eFuel filter \/ water-separating filter\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eReplace more often with ethanol fuel or contaminated fuel supply.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eWater pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e2–3 seasons or 200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eShorten interval if operating in sandy, silty, or weedy water.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eJohnson\/Evinrude\/OMC Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eAnodes (sacrificial)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect every 50 hours; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eChoose alloy for your water (salt, brackish, or fresh).\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eJohnson\/Evinrude\/OMC Anodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eThermostat inspection\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eEvery 2 years\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eReplace if stuck or if engine runs too cool\/hot.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\"\u003eJohnson\/Evinrude\/OMC Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003ePropeller \u0026amp; hardware\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect every service\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCheck for dings, bent blades, and worn hub; verify thrust washer and nut condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-propellers\"\u003eJohnson\/Evinrude\/OMC Propellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"font-size:12px; color:#6b7280;\"\u003e*Intervals are typical for recreational use; adjust for heavy-duty or commercial operation.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service – \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-service-maintenance-kits\"\u003eJohnson\/Evinrude\/OMC Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eWater Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \u0026amp; Sealing – \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System – \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion – \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"margin-top: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 #e5e7eb; padding:6px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:6px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eWeak telltale stream \/ overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eInspect intake screens for blockage, verify impeller condition, and confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eWater pump kit, thermostat, intake screen, anodes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eCheck propeller for damage\/cavitation, verify fuel quality and filter condition, and inspect spark plugs.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003ePropeller, fuel filter, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003ePrime fuel system, check for air leaks in fuel lines, evaluate plug gap\/condition; on EFI, verify idle air control and sensor connections.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eFuel filter, hoses, spark plugs, electrical items\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eConfirm correct oil level; check for water intrusion; pressure\/vacuum test if seals are suspect.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px;\"\u003eLower unit seal kit, drain\/fill seals, prop shaft seals\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=\"margin-top: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\u003eNot always. The 110HP name spans multiple platforms (2-stroke and 4-stroke, carbureted and EFI). Match parts using the exact model code, serial number, and stroke type to avoid incompatibility.\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\u003eFor recreational use, replace every 2–3 seasons or about 200 hours. Shorten the interval if you run in sandy\/silty water or notice a weak telltale stream or overheat events.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange lower unit gear oil at least every 100 hours or annually. Inspect immediately after any propeller impact or suspected water intrusion.\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 model code, serial number, shaft length, control type, and a photo of the nameplate. Photos of the part or area needing service also help confirm fitment.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"margin-top:24px; padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eReady to find parts for your OMC 4-Stroke 110HP? Browse the main Johnson\/Evinrude\/OMC collection by horsepower, year, and model to zero in on compatible components.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#0d6efd; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Johnson\/Evinrude\/OMC Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; font-size:12px; color:#6b7280;\"\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":[],"url":"https:\/\/seasierra.com\/collections\/omc-4-stroke-110hp-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}