{"product_id":"30000k-flexible-impeller-for-sherwood-pumps-g3001-01-g3001-02-g3001x-jlm-marine","title":"30000K Flexible Impeller for Sherwood Pumps G3001-01 G3001-02 G3001X | JLM Marine","description":"\u003ch2\u003e30000K Flexible Impeller for Sherwood Pumps G3001-01 G3001-02 G3001X | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis flexible impeller is engineered to fit \u003cstrong\u003eSherwood marine engine cooling pumps\u003c\/strong\u003e, specifically models G3001-01, G3001-02, and G3001X. It also supports \u003cstrong\u003eCaterpillar pump numbers 322-8594 and 3228594\u003c\/strong\u003e, making it a versatile replacement for multiple marine applications.\u003c\/p\u003e\n\n\u003cp\u003eThis impeller directly replaces \u003cstrong\u003eSherwood 30000K\u003c\/strong\u003e, \u003cstrong\u003eJMP 8459-01\u003c\/strong\u003e, \u003cstrong\u003eCaterpillar 3228595\u003c\/strong\u003e, and \u003cstrong\u003ePatent 6116855\u003c\/strong\u003e. It also replaces the Sherwood 25017 Minor Repair Kit (impeller component only).\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eConstructed from \u003cstrong\u003eneoprene\u003c\/strong\u003e for durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eFeatures \u003cstrong\u003e10 blades\u003c\/strong\u003e with a 45-degree 10-spline shaft drive\u003c\/li\u003e\n\u003cli\u003eOne end is \u003cstrong\u003ethreaded for puller compatibility\u003c\/strong\u003e (puller not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\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\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003e30000K\u003c\/td\u003e\n\u003ctd\u003eOEM part number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJMP\u003c\/td\u003e\n\u003ctd\u003e8459-01\u003c\/td\u003e\n\u003ctd\u003eAftermarket replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaterpillar\u003c\/td\u003e\n\u003ctd\u003e3228595\u003c\/td\u003e\n\u003ctd\u003eOEM part number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePatent\u003c\/td\u003e\n\u003ctd\u003e6116855\u003c\/td\u003e\n\u003ctd\u003ePatent reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003e25017\u003c\/td\u003e\n\u003ctd\u003eMinor Repair Kit (Impeller Only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\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\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003eG3001-01\u003c\/td\u003e\n\u003ctd\u003eSea water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003eG3001-02\u003c\/td\u003e\n\u003ctd\u003eSea water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003eG3001X\u003c\/td\u003e\n\u003ctd\u003eSea water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaterpillar\u003c\/td\u003e\n\u003ctd\u003e322-8594\u003c\/td\u003e\n\u003ctd\u003ePump number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaterpillar\u003c\/td\u003e\n\u003ctd\u003e3228594\u003c\/td\u003e\n\u003ctd\u003ePump number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e4-5\/16\" (110mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e4-1\/2\" (114mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft \/ Drive\u003c\/td\u003e\n\u003ctd\u003e45 degree 10 spline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNeoprene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlades\u003c\/td\u003e\n\u003ctd\u003e10 blades\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreaded End\u003c\/td\u003e\n\u003ctd\u003eYes, for use with puller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003eThis package includes:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e1× 30000K Flexible Impeller\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e One end is threaded for use with puller. \u003cspan style=\"color:red;\"\u003ePuller is NOT included.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003eDisconnect the power source and relieve any pressure in the cooling system before beginning work.\u003c\/li\u003e\n\u003cli\u003eRemove the pump cover or housing by loosening the mounting bolts or screws.\u003c\/li\u003e\n\u003cli\u003eCarefully extract the old impeller using a puller tool if the impeller has a threaded end. Do not use excessive force to avoid damaging the pump chamber.\u003c\/li\u003e\n\u003cli\u003eInspect the pump chamber for debris, corrosion, or scoring; clean thoroughly if needed.\u003c\/li\u003e\n\u003cli\u003eLubricate the new impeller blades with a glycerin-based lubricant or soapy water to ease installation.\u003c\/li\u003e\n\u003cli\u003eInsert the new impeller into the pump chamber, aligning the shaft splines carefully. Ensure the blades flex in the correct direction of rotation.\u003c\/li\u003e\n\u003cli\u003eReinstall the pump cover or housing, ensuring the gasket is properly seated and in good condition (replace if worn).\u003c\/li\u003e\n\u003cli\u003eTighten all bolts or screws evenly to the manufacturer's torque specifications.\u003c\/li\u003e\n\u003cli\u003eReconnect the power source and check for proper operation by running the engine briefly.\u003c\/li\u003e\n\u003cli\u003eInspect for leaks around the pump housing and verify that coolant flow is normal.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this impeller fits my Sherwood or Caterpillar pump?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify your pump model number against our compatibility table (G3001-01, G3001-02, G3001X for Sherwood; 322-8594, 3228594 for Caterpillar). Also confirm the physical dimensions—width 4-5\/16\", diameter 4-1\/2\", and 45-degree 10-spline shaft drive—match your original impeller.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the impeller?\u003c\/strong\u003e\u003cbr\u003e\nA: Most manufacturers recommend replacing flexible impellers annually or every 200–300 hours of operation, whichever comes first. If you notice overheating, reduced coolant flow, or visible blade damage, replace it immediately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Why is one end threaded, and do I need a puller?\u003c\/strong\u003e\u003cbr\u003e\nA: The threaded end allows you to attach a puller tool for easier and safer removal of the old impeller. While a puller is not included, using one is highly recommended to prevent damage to the pump chamber during removal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs of a failing impeller?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include engine overheating, weak or no coolant flow from the tell-tale (pee hole), visible cracks or missing blades on the impeller, and unusual noise or vibration from the pump.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this impeller myself, or should I hire a professional?\u003c\/strong\u003e\u003cbr\u003e\nA: If you have basic mechanical skills and the right tools (including a puller), you can install it yourself by following the steps in our Installation Guide. However, professional installation is recommended to ensure safety and optimal performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part or an aftermarket replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51960671437113,"sku":"19FI005","price":84.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/A6d3b7dbc544540e8b8f32a1567c8682ba.webp?v=1771677654","url":"https:\/\/jlmmarine.com\/products\/30000k-flexible-impeller-for-sherwood-pumps-g3001-01-g3001-02-g3001x-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}