{"product_id":"18-8926-flexible-impeller-for-pcm-crusader-excalibur-330-ex34-zr6-zr409-jlm-marine","title":"18-8926 Flexible Impeller for PCM Crusader Excalibur 330 Ex34 ZR6 ZR409 | JLM Marine","description":"\u003ch2\u003eFlexible Impeller for PCM Crusader Excalibur 330 Ex34 ZR6 ZR409 | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis high-quality \u003cstrong\u003eflexible impeller\u003c\/strong\u003e is designed as a direct replacement for \u003cstrong\u003ePCM and Crusader marine engines\u003c\/strong\u003e, including popular models such as the \u003cstrong\u003eExcalibur 330, Ex34, ZR6, and ZR409\u003c\/strong\u003e, as well as 5.0L, 5.7L, 6.0L, and 8.1L configurations. Engineered to OEM specifications, this impeller ensures reliable cooling system performance for your marine engine.\u003c\/p\u003e\n\n\u003cp\u003eThis impeller directly replaces \u003cstrong\u003ePCM RP061022\u003c\/strong\u003e, \u003cstrong\u003eCrusader R061022\u003c\/strong\u003e, \u003cstrong\u003eMallory 9-45718\u003c\/strong\u003e, and \u003cstrong\u003eSierra 18-8926\u003c\/strong\u003e, providing broad cross-brand compatibility for easy sourcing and installation.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFits PCM and Crusader 5.0L, 5.7L, 6.0L, and 8.1L marine engines\u003c\/li\u003e\n\u003cli\u003eDirect replacement for multiple OEM and aftermarket part numbers\u003c\/li\u003e\n\u003cli\u003eEssential component for maintaining proper engine cooling\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\" style=\"border-collapse:collapse; width:100%;\"\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\u003ePCM\u003c\/td\u003e\n\u003ctd\u003eRP061022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrusader\u003c\/td\u003e\n\u003ctd\u003eR061022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-45718\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-8926\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\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCM\u003c\/td\u003e\n\u003ctd\u003eExcalibur 330\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCM\u003c\/td\u003e\n\u003ctd\u003eEx34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCM\u003c\/td\u003e\n\u003ctd\u003eZR6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCM\u003c\/td\u003e\n\u003ctd\u003eZR409\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCM\u003c\/td\u003e\n\u003ctd\u003e5.0L Pro Sport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCM\u003c\/td\u003e\n\u003ctd\u003eRA057032 6.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCM\u003c\/td\u003e\n\u003ctd\u003eRA057034 5.7L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCM\u003c\/td\u003e\n\u003ctd\u003eRA057035 8.1L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\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\u003eOEM Number\u003c\/td\u003e\n\u003ctd\u003e18-8926\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Type\u003c\/td\u003e\n\u003ctd\u003eFlexible Impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eWater Pump\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\u003eYour purchase includes the following component:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e1 × Impeller RP061022\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisconnect the battery\u003c\/strong\u003e and ensure the engine is cool before beginning work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocate the water pump housing\u003c\/strong\u003e on your PCM or Crusader engine and remove the mounting bolts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarefully remove the pump cover\u003c\/strong\u003e to access the old impeller. Note the orientation of the impeller blades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtract the old impeller\u003c\/strong\u003e by gently pulling it straight out, being careful not to damage the housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the impeller housing\u003c\/strong\u003e thoroughly, removing any debris, old gasket material, or buildup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply a light coating of glycerin or soapy water\u003c\/strong\u003e to the new impeller blades to ease installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert the new impeller\u003c\/strong\u003e into the housing, ensuring the blades are oriented in the correct direction (same as removal).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace the gasket or O-ring\u003c\/strong\u003e with a new one if included or available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall the pump cover\u003c\/strong\u003e and torque the mounting bolts to manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReconnect the battery\u003c\/strong\u003e and start the engine briefly to verify proper water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck for leaks\u003c\/strong\u003e around the pump housing and tighten connections if necessary.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerform a test run\u003c\/strong\u003e and monitor engine temperature to confirm cooling system operation.\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 PCM or Crusader engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your current impeller part number with the numbers listed in our Part Number Cross-Reference table (RP061022, R061022, 9-45718, or 18-8926). Also verify your engine model against our Compatible Engine Models table to ensure proper fitment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my water pump impeller?\u003c\/strong\u003e\u003cbr\u003e\nA: Most manufacturers recommend replacing the impeller every 2–3 years or 300–500 hours of operation, whichever comes first. If you notice overheating, reduced water flow, or visible blade damage during inspection, replace it immediately regardless of operating hours.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my impeller is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include engine overheating, reduced or no water discharge from the tell-tale, steam from the engine compartment, or pieces of rubber in the cooling system. Inspect your impeller immediately if you experience any of these issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use glycerin or another lubricant during installation?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, applying a small amount of glycerin or soapy water to the impeller blades makes installation easier and prevents blade damage. Avoid petroleum-based lubricants as they can degrade the rubber material.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part or aftermarket?\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":51980999426361,"sku":"23FI467","price":24.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_1e35a109-879d-4e62-bf1e-37a68b28c5cf.jpg?v=1772414106","url":"https:\/\/jlmmarine.com\/es\/products\/18-8926-flexible-impeller-for-pcm-crusader-excalibur-330-ex34-zr6-zr409-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}