{"product_id":"flexible-impeller-kit-fits-kohler-marine-generators-replaces-kohler-359978-sherwood-8000k-sierra-23-3314","title":"Flexible Impeller Kit – Fits Kohler Marine Generators (Replaces Kohler 359978, Sherwood 8000K, Sierra 23-3314)","description":"\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: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\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\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eFlexible Impeller Kit – Fits Kohler Marine Generators (Replaces Kohler 359978, Sierra 23-3314)\u003c\/strong\u003e is engineered for Kohler marine generators, including 4EF, 5E, 6EF, and 7.3E series models. It also serves as a direct substitute for Sherwood 8000 and 8000K impeller kits, ensuring reliable performance for your sea water pump.\u003c\/p\u003e\n\u003cp\u003eIt provides a direct replacement for several part numbers, including Kohler 359978, Sherwood 8000K, Sierra 23-3314, Onan 132-0415, and JMP 7013-01K.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for direct, hassle-free installation.\u003c\/li\u003e\n\u003cli\u003eSpecifically for use in raw water pump applications.\u003c\/li\u003e\n\u003cli\u003eThe kit includes the flexible impeller and a replacement O-ring.\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\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\u003e359978\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003e8000K\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e23-3314\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOnan\u003c\/td\u003e\n\u003ctd\u003e132-0415\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJMP\u003c\/td\u003e\n\u003ctd\u003e7013-01K\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\u003eThis impeller is widely used in Kohler marine generators. Please check your specific model and original part number to ensure correct fitment.\u003c\/p\u003e\n\u003cp\u003eIt is also a service part for specific Sherwood-made pumps.\u003c\/p\u003e\n\u003cp\u003eCompatibility extends to certain Cummins Onan generators that use the cross-referenced part numbers.\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\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\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e4EFCD\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e4EFKD\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e5E\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e5ECD\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e5EKD\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e6EF\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e6EFCD\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e6EFKD\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e8EFK\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e3ECD\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eKohler\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\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\u003e359978\u003c\/td\u003e\n\u003ctd\u003eSea water pump impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003eG8001\u003c\/td\u003e\n\u003ctd\u003e8000K\u003c\/td\u003e\n\u003ctd\u003ePump model\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003eG8002\u003c\/td\u003e\n\u003ctd\u003e8000K\u003c\/td\u003e\n\u003ctd\u003ePump model\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003eG8001-01-90\u003c\/td\u003e\n\u003ctd\u003e8000K\u003c\/td\u003e\n\u003ctd\u003ePump 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\u003eFlexible Impeller Kit with O-Ring\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eD-slot key drive\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eImpeller Diameter: 39.7 mm (1-9\/16\"), Width: 19.2 mm (3\/4\")\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.045 kg (0.10 lbs) approximate\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 year manufacturer warranty (JMP Marine)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003e6 blades, single flat drive (D-slot), shaft diameter: 12 mm\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 Flexible Impeller (Neoprene + Brass) with 6 Blades and D-slot key (Kohler 359978, Sherwood 8000K)\u003c\/li\u003e\n\u003cli\u003e1 x O-Ring, Nitrile 70 (ORG0031)\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\u003eShut off the engine and close the raw water intake seacock.\u003c\/li\u003e\n\u003cli\u003ePlace absorbent pads under the pump to catch any spilled coolant or water.\u003c\/li\u003e\n\u003cli\u003eLoosen the screws and remove the pump's cover plate.\u003c\/li\u003e\n\u003cli\u003eUse impeller pullers or two screwdrivers to carefully pry out the old impeller.\u003c\/li\u003e\n\u003cli\u003eClean the interior of the pump housing, removing any debris or old impeller pieces.\u003c\/li\u003e\n\u003cli\u003eInspect the housing for scoring or wear; replace the pump if damage is significant.\u003c\/li\u003e\n\u003cli\u003eLubricate the new impeller and the inside of the housing with a water-resistant grease or soap.\u003c\/li\u003e\n\u003cli\u003eInsert the new impeller, bending the blades in the direction of the pump's normal rotation.\u003c\/li\u003e\n\u003cli\u003eInstall the new O-ring or gasket, ensuring it is seated correctly.\u003c\/li\u003e\n\u003cli\u003eReinstall the cover plate and tighten the screws evenly in a star pattern.\u003c\/li\u003e\n\u003cli\u003eOpen the seacock, start the engine, and immediately check for leaks and proper water flow from the exhaust.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my impeller is failing?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs of a worn or failed impeller include engine overheating at normal speeds, a noticeable reduction in water flow from the exhaust outlet, and visible cracks, tears, or stiffness in the impeller blades upon inspection.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the recommended replacement schedule for this impeller?\u003c\/summary\u003e\n  \u003cp\u003eFor preventative maintenance and to ensure engine safety, it is best practice to replace your raw water pump impeller annually or every 200 hours of engine operation, whichever occurs first.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this fit a Kohler 5E generator?\u003c\/summary\u003e\n  \u003cp\u003eYes, this impeller kit is listed as a direct replacement for Kohler models in the 5E series. However, always double-check the part number stamped on your old impeller or in your owner's manual to confirm compatibility before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs any lubrication needed during installation?\u003c\/summary\u003e\n  \u003cp\u003eYes, applying a small amount of water-based lubricant or glycerine to the inside of the pump housing and the impeller itself will make installation easier and prevent damage to the blades during the initial dry start-up.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \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\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n  \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\n\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":50717904404795,"sku":"fys12111356","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/fys12111356.png?v=1762937998","url":"https:\/\/seasierra.com\/products\/flexible-impeller-kit-fits-kohler-marine-generators-replaces-kohler-359978-sherwood-8000k-sierra-23-3314","provider":"SeaSierra","version":"1.0","type":"link"}