{"product_id":"soxamarine-raw-water-pump-impeller-kit-359978-for-kohler-gm-28487-359341-includes-o-ring-oem-fit","title":"SOXAMARINE Raw Water Pump Impeller Kit 359978 for Kohler GM 28487\/359341 — Includes O‑Ring, OEM Fit","description":"\u003cp\u003e\u003cstrong\u003eSOXAMARINE 359978 is a complete raw sea water pump impeller and seal kit designed to replace Kohler OEM impeller 359978 for pumps GM 28487, GM 359341 and GM63535.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeep your Kohler marine generator's raw water cooling system running reliably with this service kit from SOXAMARINE. The kit includes the molded rubber impeller and the pump cover O-ring needed to restore correct flow and sealing after wear, fouling or seasonal storage. It’s tailored to fit specific Kohler pumps used across multiple gasoline generator and engine models, making it a practical on-board spare or workshop repair piece.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Kohler pumps and engines does this kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit is engineered to match Kohler pump part numbers GM 28487, GM 359341 and GM63535 and is recommended as the OEM replacement 359978. It supports a range of Kohler gasoline generator and engine model families used in marine cooling systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible pump part numbers: GM 28487, GM 359341, GM63535\u003c\/li\u003e\n  \u003cli\u003eOEM replacement number: 359978 (23-3314 minor raw water impeller kit)\u003c\/li\u003e\n  \u003cli\u003eFits generator\/engine model lines such as 4EFCD, 5ECD, 6EFCD, 7.3ECD\u003c\/li\u003e\n  \u003cli\u003eAlso fits 4EFKD, 5EKD, 6EFKD, 7.5EKD, 8EFKD, 10EKD with corresponding maintenance kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat parts are included and what condition should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe package contains the molded impeller and the pump cover O-ring needed for a standard impeller service. Components arrive ready to install; confirm parts visually before fitting and replace any additional worn components such as the pump housing gasket if needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne SOXAMARINE impeller, part number 359978\u003c\/li\u003e\n  \u003cli\u003ePump cover O-ring, part number 23447\u003c\/li\u003e\n  \u003cli\u003ePackaged as shown in product photos for straightforward identification\u003c\/li\u003e\n  \u003cli\u003eNew, non-refurbished components intended for replacement service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know when to replace the impeller and O-ring?\u003c\/h3\u003e\n\u003cp\u003eReplace the impeller and O-ring if you notice reduced coolant flow, cavitation noise, visible blade wear, or if the engine overheats during normal operation. Scheduled seasonal inspection and replacement after prolonged storage is common practice for raw water pumps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSigns: reduced flow, overheating, vibration or unusual pump noise\u003c\/li\u003e\n  \u003cli\u003eVisual cues: cracked, missing, or deformed impeller blades\u003c\/li\u003e\n  \u003cli\u003ePreventive change: at least annually or per engine service interval\u003c\/li\u003e\n  \u003cli\u003eAlways inspect the pump housing and keyway for wear when replacing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install this kit myself and what tools are typical?\u003c\/h3\u003e\n\u003cp\u003eBasic mechanical skills and common hand tools are normally sufficient to replace the impeller and O-ring. Follow the engine manufacturer’s service instructions and observe safety precautions when working on the cooling system and engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical tools: screwdriver, pliers, hex sockets and water pump puller if required\u003c\/li\u003e\n  \u003cli\u003eUse a light coating of appropriate lubricant on the O-ring for easier seating\u003c\/li\u003e\n  \u003cli\u003eVerify blade rotation direction and key alignment on the shaft during fit\u003c\/li\u003e\n  \u003cli\u003eRun the system after installation to check for leaks and correct flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This SOXAMARINE 359978 service kit is aimed at boat owners, marine technicians and fleet maintainers who service Kohler gasoline generators or engines that use the specified raw water pumps. It's a practical spare for routine maintenance or emergency replacement for vessels that operate in saltwater environments and need reliable cooling system performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this impeller kit a direct OEM replacement for Kohler 359978?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The SOXAMARINE 359978 kit is made to replace Kohler OEM impeller 359978 for the listed pumps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit fit my Kohler GM 28487 pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with GM 28487, GM 359341 and GM63535 pumps—confirm model number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SOXAMARINE","offers":[{"title":"Default Title","offer_id":48085219279006,"sku":"B0G9MW47MW","price":37.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/soxamarine-359978-front-packaging.jpg?v=1785868019","url":"https:\/\/northtrailauto.ca\/products\/soxamarine-raw-water-pump-impeller-kit-359978-for-kohler-gm-28487-359341-includes-o-ring-oem-fit","provider":"North Trail Auto","version":"1.0","type":"link"}