{"title":"Kohler 4-Stroke Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"max-width:980px;margin:0 auto;padding:16px 12px;\"\u003e\n  \u003cp\u003eThis page is dedicated to Kohler 4‑Stroke marine engines and helps you quickly find compatible parts and service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main Kohler parts categories. Scroll to the bottom of the page to start browsing parts, and remember you can use the collection page’s Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block;padding:10px 16px;border:1px solid #0b5; border-radius:6px; text-decoration:none; color:#fff; background:#0b5;\"\u003eBrowse Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:980px;margin:0 auto;padding:16px 12px;\"\u003e\n  \u003ch2\u003eHow to Identify Your Kohler 4‑Stroke Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the serial\/nameplate on the engine block or generator housing; record the full model designation and serial number.\u003c\/li\u003e\n    \u003cli\u003eNote any suffixes that indicate specification details such as charging output, control type, or configuration.\u003c\/li\u003e\n    \u003cli\u003eConfirm it’s a 4‑stroke platform (separate crankcase oil and filter). Also note whether the engine uses carburetion or EFI.\u003c\/li\u003e\n    \u003cli\u003eWhen matching parts, verify the raw‑water pump style and belt\/drive arrangement, as these affect impeller kits and sleeves.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:980px;margin:0 auto;padding:16px 12px;\"\u003e\n  \u003ch2\u003eEngine Platform Overview\u003c\/h2\u003e\n  \u003ch3\u003eSmall 4‑Stroke Marine Engine Platform\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 #f0f0f0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInline 2–4 cylinder, 4‑stroke with carburetor or EFI, pressurized lubrication, raw‑water pump for cooling.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eSmall to mid‑output marine engines used in gensets and auxiliary applications.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eSmooth idle, good fuel economy, reduced emissions, broad torque band for steady loads.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFollow oil and filter service intervals, inspect the cooling system regularly, and monitor anodes in salt or brackish water.\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:980px;margin:0 auto;padding:16px 12px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines; always follow the official Kohler service manual for your exact engine specification.\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 #f0f0f0;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eFirst 20 hrs, then every 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eWarm engine before draining; replace drain washer if applicable.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\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:8px;border-bottom:1px solid #f0f0f0;\"\u003eRaw‑water pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eEvery 2–3 seasons or ~200 hrs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eReplace sooner if flow is weak or any overheat alarm occurs.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eEvery 100 hrs or at first sign of restriction\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eShorten intervals in ethanol or harsh environments.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\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:8px;border-bottom:1px solid #f0f0f0;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInspect every 100 hrs; replace ~200–300 hrs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eUse marine‑rated plugs; set gap per manual.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\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 #f0f0f0;\"\u003eAnodes (zinc\/aluminum)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInspect every 50 hrs; replace when ~50% depleted\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eUse aluminum in brackish\/salt; zinc for salt only.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHoses (fuel\/cooling)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck each season\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect for cracks, softness, or leaks; replace as necessary.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses\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:980px;margin:0 auto;padding:16px 12px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service – \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System – \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-pumps\"\u003eFuel Pumps\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/starters\"\u003eStarters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eHoses \u0026amp; Fittings – \u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eAccessories – \u003ca href=\"https:\/\/seasierra.com\/collections\/boat-accessories\"\u003eBoat Accessories\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:980px;margin:0 auto;padding:16px 12px;\"\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 #f0f0f0;\"\u003eWeak cooling flow or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eInspect intake screen\/strainer, verify impeller age, and confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eWater pump impeller kit, gasket\/seal items, thermostat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eUse fresh fuel, check choke\/enrichment or EFI prime, and inspect spark plug condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eFuel filter, spark plugs, fuel pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003ePower loss under load\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eCheck for restricted fuel flow, vacuum leaks, and clogged air or exhaust paths.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;border-bottom:1px solid #f0f0f0;\"\u003eFuel filters, hoses, ignition components\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eRapid anode wear or corrosion\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect bonding\/grounding, verify correct anode material for water type, and check for stray current.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes, electrical items, hoses\/fittings\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:980px;margin:0 auto;padding:16px 12px;\"\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. Fitment can depend on platform, ignition type (carb vs. EFI), charging output, and cooling pump design. Use the full model designation and serial number to verify compatibility.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eTypically every 2–3 seasons or about 200 hours. Replace immediately if cooling flow is weak or you encounter any overheat warning.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should engine oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eAs a general guideline, change after the first 20 hours and then every 100 hours or annually. Always confirm intervals in the official Kohler service manual for your model.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the full model code, serial number, configuration details (carb\/EFI), and clear photos of the nameplate and the part you’re replacing.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"max-width:980px;margin:0 auto;padding:16px 12px;\"\u003e\n  \u003cp\u003eReady to service your Kohler 4‑Stroke marine engine? Browse our main categories by part type and narrow results with Filter \u0026amp; Sort by year, model, and application.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block;padding:10px 16px;border:1px solid #0b5; border-radius:6px; text-decoration:none; color:#fff; background:#0b5;\"\u003eShop Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px;color:#444;\"\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":"impeller-drive-sleeve-fits-kohler-marine-4ef-4efcd-5e-5ecd-6ef-6efcd-7-3e-7-3ecd-generators-replaces-kohler-359448-359448-01-gm46773-229955-359978","title":"Impeller Drive Sleeve – Fits Kohler Marine 4EF, 4EFCD, 5E, 5ECD, 6EF, 6EFCD, 7.3E, 7.3ECD Generators (Replaces Kohler 359448, 359448-01, GM46773, 229955, 359978)","description":"\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis replacement \u003cstrong\u003eImpeller Drive Sleeve 359448\u003c\/strong\u003e is engineered for Kohler Marine generators, including models 4EF, 4EFCD, 5E, 5ECD, 6EF, 6EFCD, 7.3E, and 7.3ECD. Located in the seawater pump, it provides a crucial link between the drive shaft and the impeller, protecting the system from damage during operation.\u003c\/p\u003e\n  \u003cp\u003eThis part is a direct replacement for Kohler part numbers 359448, 359448-01, 229955, 359978, and GM46773, ensuring broad interchangeability.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation Location:\u003c\/strong\u003e Mounts inside the raw water cooling pump assembly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProtective Function:\u003c\/strong\u003e Designed to absorb shock and wear, safeguarding the pump coupling and shaft.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSecure Fit:\u003c\/strong\u003e Features an internal 8-spline gear design that meshes tightly with the coupling to prevent slippage.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n  \u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:320px; } \/* Adjusted min-width for this specific table *\/\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\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\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\u003c!-- 🧩 Table Structure Template (use for each table) --\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eKohler\u003c\/td\u003e\n        \u003ctd\u003e359448\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eKohler\u003c\/td\u003e\n        \u003ctd\u003e359448-01\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eKohler\u003c\/td\u003e\n        \u003ctd\u003e229955\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eKohler\u003c\/td\u003e\n        \u003ctd\u003e359978\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGM\u003c\/td\u003e\n        \u003ctd\u003eGM46773\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 \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n  \u003cp\u003eDesigned for the following Kohler marine generator models:\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated Power\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\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\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e4EF\u003c\/td\u003e\n\u003ctd\u003e4 kW\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e359448\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e4EFCD\u003c\/td\u003e\n\u003ctd\u003e4 kW\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e359448\u003c\/td\u003e\n\u003ctd\u003eLow CO model\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e5E\u003c\/td\u003e\n\u003ctd\u003e5 kW\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e359448\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e5ECD\u003c\/td\u003e\n\u003ctd\u003e5 kW\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e359448\u003c\/td\u003e\n\u003ctd\u003eLow CO model\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e6EF\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e359448\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e6EFCD\u003c\/td\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e359448\u003c\/td\u003e\n\u003ctd\u003eLow CO model\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e7.3E\u003c\/td\u003e\n\u003ctd\u003e7.3 kW\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e359448\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e7.3ECD\u003c\/td\u003e\n\u003ctd\u003e7.3 kW\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e359448\u003c\/td\u003e\n\u003ctd\u003eLow CO model\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 Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eImpeller Drive Sleeve\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eRaw Water Cooling Pump\u003c\/dd\u003e\n    \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003ePolyurethane\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eYellow\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e1.14 in (29.0 mm) outside diameter x 0.865 in (22.0 mm) wide\u003c\/dd\u003e\n    \u003cdt\u003eSplines\u003c\/dt\u003e\n\u003cdd\u003e8\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.32 oz (9.1 g)\u003c\/dd\u003e\n    \u003cdt\u003eFunction\u003c\/dt\u003e\n\u003cdd\u003eProvides protection for the coupling, reducing wear during operation\u003c\/dd\u003e\n    \u003cdt\u003eDesign\u003c\/dt\u003e\n\u003cdd\u003eInternal gear design fits tightly with the coupling to prevent slipping\u003c\/dd\u003e\n    \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 Year (Manufacturer)\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 x Drive Sleeve (359448)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Turn off the generator's main power switch and close the raw water inlet seacock.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAccess Pump:\u003c\/strong\u003e Locate and access the raw water pump assembly on your generator.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemove Cover \u0026amp; Impeller:\u003c\/strong\u003e Unscrew the pump cover plate to expose the impeller. Carefully remove the impeller.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInspect and Remove Sleeve:\u003c\/strong\u003e The drive sleeve sits inside the pump housing where the impeller hub engages. Remove the old sleeve and inspect it for wear, cracks, or stripped splines.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eClean Housing:\u003c\/strong\u003e Clean any debris or residue from the inside of the pump housing.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstall New Sleeve:\u003c\/strong\u003e Insert the new drive sleeve, ensuring its internal splines align correctly with the pump shaft.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReassemble:\u003c\/strong\u003e Re-insert the impeller, replace the gasket (if necessary), and secure the cover plate.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinal Checks:\u003c\/strong\u003e Open the seacock, restore power, and run the generator for a few minutes while checking the pump for any leaks.\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\u003csummary\u003eHow do I know if this drive sleeve fits my generator?\u003c\/summary\u003e\u003cp\u003eThis sleeve is specifically designed for Kohler Marine generator models 4EF, 4EFCD, 5E, 5ECD, 6EF, 6EFCD, 7.3E, and 7.3ECD. Always verify your generator model and compare your old part to our photos and specifications before ordering to ensure a correct fit.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing drive sleeve?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include a damaged or spun impeller, reduced cooling water flow leading to overheating, or unusual noises from the pump area. A visual inspection will often reveal worn, torn, or stripped internal splines on the sleeve itself.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat is the function of this drive sleeve?\u003c\/summary\u003e\u003cp\u003eThe impeller drive sleeve acts as a sacrificial component connecting the pump’s impeller to the drive shaft. It is engineered to fail under excessive load or when the impeller is blocked, protecting more expensive pump and engine components from damage.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eHow often should I replace the drive sleeve?\u003c\/summary\u003e\u003cp\u003eThere is no fixed service interval. However, it is highly recommended to inspect the drive sleeve every time you replace the raw water pump impeller. Replace the sleeve if you notice any signs of wear, cracking, or deterioration to prevent unexpected failure.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended for safety and performance.\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\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717897589051,"sku":"359448-2-QM","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/359448-2-QM.png?v=1762937752"},{"product_id":"water-pump-impeller-kit-fits-kohler-marine-generators-4-8hp-replaces-kohler-359978-sherwood-8000k-sierra-23-3314","title":"Water Pump Impeller Kit – Fits Kohler Marine Generators 4–7.3 HP (Replaces Kohler 359978)","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\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003ewater pump impeller kit\u003c\/strong\u003e is an aftermarket replacement for the seawater pump used on selected Kohler marine generators. Catalog information identifies the application as the Kohler GM28487 pump and lists Kohler 359978 as the replacement reference. The catalog describes the supplied service item as the impeller itself; no pump housing or complete water pump is included.\u003c\/p\u003e\n\u003cp\u003eUse the fitment information below to confirm that your generator model and pump match before ordering. Model names, horsepower ratings, and pump applications must be considered together.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFor selected Kohler marine generator models 4EF, 5E, 6EF, 7.3E, 4EFCD, 5ECD, 6EFCD, and 7.3ECD.\u003c\/li\u003e\n  \u003cli\u003eApplication: Kohler GM28487 seawater pump.\u003c\/li\u003e\n  \u003cli\u003eService replacement for a worn, cracked, brittle, or damaged impeller.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement part; verify the original impeller and pump configuration before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThe following manufacturer reference is provided for identification and cross-checking only. It does not mean that the replacement is manufactured by Kohler.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eReference Type\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eReplacement 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\u003eCatalog fitment identifies this impeller kit for the Kohler GM28487 pump on the following generator models. Confirm the pump identification and compare the original part before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Kohler Marine Generator Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003ePump\u003c\/th\u003e\n\u003cth\u003eReplacement Reference\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e4EF\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eGM28487\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e5E\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eGM28487\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e6EF\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eGM28487\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e7.3E\u003c\/td\u003e\n\u003ctd\u003e7.3\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eGM28487\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e4EFCD\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eGM28487\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e5ECD\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eGM28487\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e6EFCD\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eGM28487\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e7.3ECD\u003c\/td\u003e\n\u003ctd\u003e7.3\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eGM28487\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The catalog evidence reviewed for this product establishes Kohler GM28487 applications. Onan, Sherwood pump-model, and other generator fitments are not included here because they were not confirmed for this specific application.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eWater pump impeller kit; impeller service replacement\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eKohler GM28487 seawater pump\u003c\/dd\u003e\n  \u003cdt\u003eReplacement Reference\u003c\/dt\u003e\n  \u003cdd\u003eKohler 359978\u003c\/dd\u003e\n  \u003cdt\u003eFitment\u003c\/dt\u003e\n  \u003cdd\u003eSelected Kohler 4EF, 5E, 6EF, 7.3E, 4EFCD, 5ECD, 6EFCD, and 7.3ECD marine generators\u003c\/dd\u003e\n  \u003cdt\u003eConstruction\u003c\/dt\u003e\n  \u003cdd\u003eConfirm material, hub design, blade count, dimensions, and drive configuration against the original impeller before installation.\u003c\/dd\u003e\n  \u003cdt\u003eIncluded Pump Hardware\u003c\/dt\u003e\n  \u003cdd\u003eNo pump housing, cover plate, shaft, or complete pump assembly is included.\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 Water pump impeller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe catalog identifies the replacement as an impeller-only service item. A gasket, O-ring, key, cover plate, or other installation hardware is not confirmed as included.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eShut down the generator, disconnect the power source, and close the appropriate seawater inlet or seacock.\u003c\/li\u003e\n  \u003cli\u003ePlace a suitable collection pan beneath the pump to catch residual water.\u003c\/li\u003e\n  \u003cli\u003eRemove the pump cover plate according to the generator or pump service instructions.\u003c\/li\u003e\n  \u003cli\u003eBefore removing the old impeller, note the direction in which its blades are bent.\u003c\/li\u003e\n  \u003cli\u003eRemove the old impeller using an appropriate impeller puller or suitable removal method. Avoid damaging the pump housing or shaft.\u003c\/li\u003e\n  \u003cli\u003eInspect the pump housing, cover plate, shaft, seal surfaces, and drive interface for wear or damage.\u003c\/li\u003e\n  \u003cli\u003eLubricate the new impeller with a lubricant approved for the pump manufacturer and impeller material. Do not run the pump dry.\u003c\/li\u003e\n  \u003cli\u003eInstall the impeller with the blades oriented in the same direction as the removed impeller and reinstall the cover plate using the correct sealing method for the pump.\u003c\/li\u003e\n  \u003cli\u003eOpen the seacock, restore power, start the generator, and immediately check seawater flow and the pump area for leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if this impeller will fit my generator?\u003c\/summary\u003e\n  \u003cp\u003eConfirm that your generator is one of the listed Kohler models and that it uses the GM28487 seawater pump. Also compare the old impeller, drive interface, and pump cover configuration before ordering. Horsepower alone is not sufficient to establish fitment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a worn impeller?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms include reduced seawater flow, higher-than-normal operating temperature, an overheating alarm, or little to no water discharge. Inspect for cracked, hardened, distorted, or missing blades.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the impeller be inspected?\u003c\/summary\u003e\n  \u003cp\u003eInspect the impeller during scheduled maintenance and whenever cooling-water flow decreases. Replacement timing depends on operating hours, storage conditions, water quality, and manufacturer recommendations. Saltwater exposure and extended periods without operation can accelerate deterioration.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is an aftermarket replacement. The Kohler number shown on this page is a manufacturer reference used for identification and compatibility checking.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes the package include an O-ring or gasket?\u003c\/summary\u003e\n  \u003cp\u003eNo additional seal or installation hardware is confirmed for this listing. The documented package is one impeller, so obtain any required gasket or O-ring separately if the pump service procedure calls for one.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the generator model, pump number, original impeller, and drive configuration before purchase.\u003c\/li\u003e\n  \u003cli\u003eDo not operate the seawater pump dry; dry running can damage the impeller and pump.\u003c\/li\u003e\n  \u003cli\u003eInspect the pump housing and cover plate whenever the impeller is replaced.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket impeller replacement, not an OEM Kohler component.\u003c\/li\u003e\n  \u003cli\u003eFollow the generator and pump manufacturer’s service instructions. Professional installation is recommended when the correct procedure is uncertain.\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 — Replacement components for routine marine maintenance and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product references and fitment information are provided to help you compare the original part and pump configuration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Shipping options and delivery estimates are shown during checkout based on destination and availability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723969564987,"sku":"ZP-E7KR-1AHK","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/ZP-E7KR-1AHK.png?v=1763038772"}],"url":"https:\/\/seasierra.com\/collections\/kohler-4-stroke-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}