{"product_id":"impeller-repair-kit-fits-onan-mdkc-mdkd-replaces-132-0277-westerbeke-17556-universal-200209-295628-globe-815","title":"Impeller Repair Kit – Fits Onan MDKC\/MDKD (Replaces 132-0277, Westerbeke 17556, Universal 200209\/295628, Globe 815)","description":"\u003csection\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: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\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eImpeller Repair Kit – Fits Oberdorfer 202M-11 Pump \u0026amp; Onan MDKC\/MDKD (Replaces 132-0277)\u003c\/strong\u003e provides everything needed for routine maintenance of your raw water pump. It is specifically designed for Onan MDKC (3.5–4.0 kW) and MDKD (6.5–8.0 kW) generators equipped with Oberdorfer pump models 202M-11, N202M-03, N202M-7, N202M-11, N202M-15, and N202M-16.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct interchange for Onan 132-0277, Westerbeke 17556, Universal 200209\/295628, and Globe 815.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for direct replacement and simple installation.\u003c\/li\u003e\n\u003cli\u003eIncludes a new impeller, gasket, and O-ring for a complete service.\u003c\/li\u003e\n\u003cli\u003eDesigned for bronze pump housings with a 4-bolt mount.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket suppliers.\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        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOnan\u003c\/td\u003e\n        \u003ctd\u003e132-0277\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWesterbeke\u003c\/td\u003e\n        \u003ctd\u003e17556\u003c\/td\u003e\n        \u003ctd\u003eCross-referenced replacement\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eUniversal\u003c\/td\u003e\n        \u003ctd\u003e200209\/295628\u003c\/td\u003e\n        \u003ctd\u003ePart supersession from 200209 to 295628\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGlobe\u003c\/td\u003e\n        \u003ctd\u003e815\u003c\/td\u003e\n        \u003ctd\u003e\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 your engine model and pump type in the table below.\u003c\/p\u003e\n\u003cp\u003eThis kit is confirmed to fit the following Onan generator models that use an Oberdorfer raw water pump. Always verify your pump model before ordering.\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 kW\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\u003eOnan\u003c\/td\u003e\n        \u003ctd\u003eMDKC\u003c\/td\u003e\n        \u003ctd\u003e3.5\u003c\/td\u003e\n        \u003ctd\u003e132-0277\u003c\/td\u003e\n        \u003ctd\u003eWith Oberdorfer Pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOnan\u003c\/td\u003e\n        \u003ctd\u003eMDKC\u003c\/td\u003e\n        \u003ctd\u003e4.0\u003c\/td\u003e\n        \u003ctd\u003e132-0277\u003c\/td\u003e\n        \u003ctd\u003eWith Oberdorfer Pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOnan\u003c\/td\u003e\n        \u003ctd\u003eMDKD\u003c\/td\u003e\n        \u003ctd\u003e6.5\u003c\/td\u003e\n        \u003ctd\u003e132-0277\u003c\/td\u003e\n        \u003ctd\u003eWith Oberdorfer Pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOnan\u003c\/td\u003e\n        \u003ctd\u003eMDKD\u003c\/td\u003e\n        \u003ctd\u003e8.0\u003c\/td\u003e\n        \u003ctd\u003e132-0277\u003c\/td\u003e\n        \u003ctd\u003eWith Oberdorfer Pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eImpeller Repair Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect Replacement\u003c\/dd\u003e\n  \u003cdt\u003eCooling System\u003c\/dt\u003e\n\u003cdd\u003eRaw Water\u003c\/dd\u003e\n  \u003cdt\u003eImpeller Dimensions\u003c\/dt\u003e\n\u003cdd\u003eWidth: 22 mm (7\/8\"), Diameter: 51 mm (2\")\u003c\/dd\u003e\n  \u003cdt\u003eCompatible Pump Construction\u003c\/dt\u003e\n\u003cdd\u003eBronze, 4-bolt mounting\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 Impeller (Replaces Onan 132-0316 \/ Oberdorfer 6593)\u003c\/li\u003e\n  \u003cli\u003e1 x Gasket (Replaces Onan 132-0315 \/ Oberdorfer 6599)\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring (Replaces 9797-034)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eClose the raw water intake seacock to stop water flow.\u003c\/li\u003e\n  \u003cli\u003ePlace an absorbent pad under the pump to catch any spillage.\u003c\/li\u003e\n  \u003cli\u003eRemove the bolts from the pump's faceplate.\u003c\/li\u003e\n  \u003cli\u003eCarefully pry off the faceplate. Note the orientation of the existing gasket or O-ring.\u003c\/li\u003e\n  \u003cli\u003eUse needle-nose pliers or a dedicated impeller puller to remove the old impeller.\u003c\/li\u003e\n  \u003cli\u003eClean the inside of the pump housing, removing any debris or old gasket material.\u003c\/li\u003e\n  \u003cli\u003eLightly lubricate the new impeller and housing interior with a water-based lubricant or dish soap.\u003c\/li\u003e\n  \u003cli\u003eInsert the new impeller, ensuring the vanes bend in the correct direction of the pump's rotation.\u003c\/li\u003e\n  \u003cli\u003eInstall the new gasket and\/or O-ring on the clean faceplate.\u003c\/li\u003e\n  \u003cli\u003eReinstall the faceplate and tighten the bolts evenly in a star or criss-cross pattern.\u003c\/li\u003e\n  \u003cli\u003eOpen the seacock fully.\u003c\/li\u003e\n  \u003cli\u003eStart the engine and immediately check for leaks at the pump cover and confirm proper water flow from the exhaust.\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 kit fits my pump?\u003c\/summary\u003e\n  \u003cp\u003eThis kit fits Onan MDKC (3.5-4.0 kW) and MDKD (6.5-8.0 kW) generators that use an Oberdorfer 202M series pump. Please verify your pump model number—usually stamped on the pump body—matches one of the compatible models: 202M-11, N202M-03, N202M-7, N202M-11, N202M-15, or N202M-16.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a bad impeller?\u003c\/summary\u003e\n  \u003cp\u003eSigns of a failing impeller include engine overheating, a noticeable reduction in water flow from the exhaust, visible cracks or missing vanes on the impeller, and a stiff or brittle texture when removed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should I replace the raw water pump impeller?\u003c\/summary\u003e\n  \u003cp\u003eFor most marine applications, it is recommended to inspect the impeller annually and replace it every 1-2 years or per your engine manufacturer's specified service hours. Proactive replacement helps prevent engine damage from overheating.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat causes premature impeller failure?\u003c\/summary\u003e\n  \u003cp\u003eThe most common cause is running the pump dry, which can burn the rubber vanes in seconds. Other causes include debris blockages, chemical damage from improper winterizing antifreeze, and normal material degradation over time.\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\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\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":50717901521211,"sku":"77-DOZ4-PPH1","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/77-DOZ4-PPH1.png?v=1762937892","url":"https:\/\/seasierra.com\/products\/impeller-repair-kit-fits-onan-mdkc-mdkd-replaces-132-0277-westerbeke-17556-universal-200209-295628-globe-815","provider":"SeaSierra","version":"1.0","type":"link"}