{"title":"Caterpillar 4-Stroke Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page focuses on Caterpillar 4‑Stroke marine engines and helps you find compatible parts and service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Caterpillar parts categories on our site. Scroll to the bottom of this page to start browsing parts for your engine, and remember that on the collection pages you can use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block; padding:10px 16px; background:#1e6dfb; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Caterpillar Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the engine serial number (ESN) plate on the cylinder block or valve cover; many Caterpillar engines also list an Arrangement Number used for parts matching.\u003c\/li\u003e\n    \u003cli\u003eRecord the full serial prefix and suffix. These identify build options (cooling, fuel system, turbo\/aftercooler) that affect filter, gasket, and hose selection.\u003c\/li\u003e\n    \u003cli\u003eConfirm the application: propulsion vs. generator set. Some C4.4 and larger 3400\/3500‑series variants use different accessory drives and cooling layouts.\u003c\/li\u003e\n    \u003cli\u003eFor repowers, check any attached marine gear model tag separately (transmission brand\/model is not the same as the engine serial).\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline‑4 Platform (e.g., C4.4 Marine)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; max-width:900px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInline‑4, turbocharged 4‑stroke diesel; typically with heat‑exchanger cooling and seawater raw‑water pump.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eC4.4 Marine (propulsion and genset variants). Exact parts depend on serial and arrangement numbers.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCompact package, good fuel economy, dependable mid‑range torque for small craft and auxiliaries.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFuel\/air filter sizes and impeller kits vary by cooling and accessory drive. Verify by ESN and arrangement number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eLarge‑Displacement Platforms (3400\/3500 Series)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; max-width:900px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eV‑12\/V‑16 4‑stroke diesels (e.g., 3406E, 3412C, 3512C, 3516C) for commercial propulsion and marine auxiliary service.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eExamples include 3406E, 3412C, 3512C, 3516C. Component specs differ widely by serial\/arrangement.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eHigh output and durability for workboats and large yachts; robust cooling and charging systems.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFilters, anodes, raw‑water components, and belts are arrangement‑specific—always confirm by ESN.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical marine use. Always follow the official Caterpillar service manual and your specific engine’s serial\/arrangement requirements.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; max-width:1000px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100–250 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eUse marine‑grade oil meeting the spec for your ESN; replace filter at each oil change.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePrimary\/secondary fuel filters\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100–200 hours or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eDrain water separators regularly; replace filters if restriction increases or power drops.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eRaw‑water pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect every 100 hours; replace annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eReplace sooner if weak tell‑tale, high temps, or vane set deformation is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\n\u003ca href=\"https:\/\/seasierra.com\/collections\/impellers\"\u003eImpellers\u003c\/a\u003e | \u003ca href=\"https:\/\/seasierra.com\/collections\/water-pumps\"\u003eWater pumps\u003c\/a\u003e\n\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect quarterly; replace when 50% depleted\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCheck heat exchanger, aftercooler, and housing anodes; verify bonding.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAir filter\/cleaner\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect every 100 hours; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eRestricted intake raises smoke and EGT; service more often in dusty environments.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/air-filters\"\u003eAir Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eBelts (alternator\/sea‑water pump)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect every 100 hours; replace 1–2 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCheck tension and glazing; replace if cracked or noisy.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/belt\"\u003eBelt\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCooling hoses and clamps\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect every 100 hours; replace 2–4 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eLook for soft spots, cracking, or leaks; renew clamps as needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCharging\/starting system check\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSeasonally\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eTest cranking speed and charge voltage; service or replace if slow starts or low voltage occur.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\n\u003ca href=\"https:\/\/seasierra.com\/collections\/starters\"\u003eStarters\u003c\/a\u003e | \u003ca href=\"https:\/\/seasierra.com\/collections\/alternators\"\u003eAlternators\u003c\/a\u003e\n\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service – \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/water-pumps\"\u003eWater pumps\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System – \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/starters\"\u003eStarters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eAir Intake \u0026amp; Filtration – \u003ca href=\"https:\/\/seasierra.com\/collections\/air-filters\"\u003eAir Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eTurbo \u0026amp; Exhaust – \u003ca href=\"https:\/\/seasierra.com\/collections\/turbos\"\u003eTurbos\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; max-width:1000px; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWeak water stream or high temperature\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect sea strainer, intake screen, and raw‑water pump; check belt tension and thermostat.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWater pump kit, impeller, hoses, thermostat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eHard starting or slow crank\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eLoad test batteries, verify starter draw and ground connections; check fuel prime and filters.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eStarters, alternator\/belt, fuel filters, hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eBlack smoke or poor acceleration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCheck air filter restriction, boost hoses\/clamps, and turbo condition; verify clean fuel filters.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAir filter, hoses, turbos, fuel filters\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWhite smoke or rough running when warm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect for air in fuel, injector balance, and low compression hotspots; confirm coolant temperature.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInjectors, fuel lines\/hoses, sensors\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eNot reliably. Caterpillar uses serial and arrangement numbers to define exact filter sizes, cooling hardware, and accessory drives. Always confirm your ESN and arrangement number before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the raw‑water impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eInspect every 100 hours and replace annually. Replace sooner if you see reduced flow, overheat alarms, or damaged vanes. Always re‑seal the pump and use a new gasket\/O‑ring as applicable.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should engine oil and filters be changed?\u003c\/summary\u003e\n    \u003cp\u003eFollow the Caterpillar service schedule for your specific engine, typically 100–250 hours or annually, depending on duty cycle and fuel quality. Change the oil filter at every oil change.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the engine serial number (ESN), arrangement number, application (propulsion vs. genset), and key options like cooling type and marine gear model. Clear photos of the nameplate and the part to be replaced help ensure a correct match.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border-top:1px solid #e5e5e5;\"\u003e\n  \u003cp\u003eReady to find what you need? Browse our main Caterpillar parts categories and narrow by your engine’s details using the Filter \u0026amp; Sort controls.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block; padding:10px 16px; background:#1e6dfb; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Caterpillar Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; color:#555;\"\u003eIf you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"marine-impeller-kit-fits-sherwood-jabsco-johnson-replaces-17000k-shw-18958-0001-p-09-704bt-1","title":"Marine Water Pump Impeller Kit – Replacement References for Sherwood, Jabsco and Johnson","description":"\u003cstyle\u003e\n.ss-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.ss-table{width:100%;border-collapse:collapse;min-width:640px}.ss-table th,.ss-table td{padding:10px 12px;border:1px solid #e5e7eb;text-align:left;vertical-align:top}.ss-table th{white-space:nowrap;word-break:normal;letter-spacing:normal;font-weight:600;background:#f8fafc}@media (max-width:480px){.ss-table th,.ss-table td{padding:8px 10px;font-size:14px}}\n\u003c\/style\u003e\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis high-performance \u003cstrong\u003emarine water pump impeller kit\u003c\/strong\u003e is intended for engine cooling-water pump service on selected marine engines and pump assemblies. The listed reference applications include Caterpillar 3116, 3126 and 3208 engines; selected Cummins B Series, C Series and 6CTA8.3M applications; John Deere 6076 series engines; and numerous Sherwood P17-series water pumps.\u003c\/p\u003e\n  \u003cp\u003eReference replacement numbers associated with this impeller include Sherwood 17000K-SHW and 21931, Jabsco 18958-0001-P, Johnson 09-704BT-1, Caterpillar 1W5664 and 7E0321, Cummins 3802444, 3897337, 3916852 and 3925236, and John Deere RE49896. Confirm the number, dimensions, shaft configuration and pump model before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eDurable neoprene rubber construction for marine cooling-water pump service.\u003c\/li\u003e\n    \u003cli\u003eThreaded end intended to assist removal with a compatible impeller puller.\u003c\/li\u003e\n    \u003cli\u003eKit includes the impeller, O-ring, keys and plug as listed below.\u003c\/li\u003e\n    \u003cli\u003eAftermarket replacement component; brand names and reference numbers are used for identification only.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse the following references together with your original part and pump specifications. A number match alone does not confirm fitment for every engine configuration.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003e17000K-SHW, 21931\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eJabsco\u003c\/td\u003e\n\u003ctd\u003e18958-0001-P\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eJohnson\u003c\/td\u003e\n\u003ctd\u003e09-704BT-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eJohn Deere\u003c\/td\u003e\n\u003ctd\u003eRE49896\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCummins\u003c\/td\u003e\n\u003ctd\u003e3802444, 3897337, 3916852, 3925236, 6CTA8.3M\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCaterpillar\u003c\/td\u003e\n\u003ctd\u003e1W5664, 7E0321\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n  \u003ch2\u003eEngine and Pump Compatibility\u003c\/h2\u003e\n  \u003cp\u003eThe applications below are reference applications for comparison. Verify the exact engine model, pump assembly, original impeller and dimensions before installation.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\u003ctable class=\"ss-table\" aria-label=\"Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or Series\u003c\/th\u003e\n\u003cth\u003eReference Part Number\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCaterpillar\u003c\/td\u003e\n\u003ctd\u003e3116, 3126, 3208\u003c\/td\u003e\n\u003ctd\u003e1W5664, 7E0321\u003c\/td\u003e\n\u003ctd\u003eEngine cooling-water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCaterpillar\u003c\/td\u003e\n\u003ctd\u003eC7, C9\u003c\/td\u003e\n\u003ctd\u003e1W5664, 7E0321\u003c\/td\u003e\n\u003ctd\u003eCheck the exact pump and impeller specifications before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCummins\u003c\/td\u003e\n\u003ctd\u003eB Series, including listed 6B 300 hp application\u003c\/td\u003e\n\u003ctd\u003e3802444, 3897337, 3916852, 3925236\u003c\/td\u003e\n\u003ctd\u003eEngine cooling-water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCummins\u003c\/td\u003e\n\u003ctd\u003eC Series and 6CTA8.3M\u003c\/td\u003e\n\u003ctd\u003e3802444, 3897337, 3916852, 3925236\u003c\/td\u003e\n\u003ctd\u003eMarine engine cooling-water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eJohn Deere\u003c\/td\u003e\n\u003ctd\u003e6076 series\u003c\/td\u003e\n\u003ctd\u003eRE49896\u003c\/td\u003e\n\u003ctd\u003eEngine cooling-water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003eP1710, P1710X, P1710-02, P1726, P1726X, P1732X, P1732-02, P176, P176X, P176-02\u003c\/td\u003e\n\u003ctd\u003e17000K-SHW\u003c\/td\u003e\n\u003ctd\u003eP17-series water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003eP1711, P1712, P1716B, P173, P1719, P1719F, P1722B, P1727FB, P1730F, P1731F\u003c\/td\u003e\n\u003ctd\u003e17000K-SHW\u003c\/td\u003e\n\u003ctd\u003eP17-series water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater pump impeller kit\u003c\/dd\u003e\n    \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eNeoprene rubber\u003c\/dd\u003e\n    \u003cdt\u003eOverall Diameter\u003c\/dt\u003e\n\u003cdd\u003e84 mm (3-5\/16 in)\u003c\/dd\u003e\n    \u003cdt\u003eWidth\u003c\/dt\u003e\n\u003cdd\u003e73 mm (2-7\/8 in)\u003c\/dd\u003e\n    \u003cdt\u003eShaft Diameter\u003c\/dt\u003e\n\u003cdd\u003e20 mm (0.787 in)\u003c\/dd\u003e\n    \u003cdt\u003eDrive Type\u003c\/dt\u003e\n\u003cdd\u003e3\/16 in key drive\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Blades\u003c\/dt\u003e\n\u003cdd\u003e12\u003c\/dd\u003e\n    \u003cdt\u003eKeyway\u003c\/dt\u003e\n\u003cdd\u003eSingle keyway with one threaded end for puller use\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.47 kg (1.04 lb)\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eMarine engine cooling-water pumping\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\u003c\/li\u003e\n\u003cli\u003e1 x O-ring\u003c\/li\u003e\n\u003cli\u003e2 x keys\u003c\/li\u003e\n\u003cli\u003e1 x plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eEnsure the engine is switched off and cool. Close the water-intake seacock before servicing.\u003c\/li\u003e\n    \u003cli\u003eAccess the seawater pump and remove the screws securing the end cover plate.\u003c\/li\u003e\n    \u003cli\u003eRemove the old impeller with a suitable impeller puller or carefully with needle-nose pliers.\u003c\/li\u003e\n    \u003cli\u003eClean the pump housing and cover plate, remove debris or old gasket material, and inspect for scoring or damage.\u003c\/li\u003e\n    \u003cli\u003eLightly lubricate the new impeller and housing with a water-based lubricant or glycerin. Do not use petroleum-based grease.\u003c\/li\u003e\n    \u003cli\u003eInstall the impeller with a gentle twisting motion and orient the blades to match the pump's direction of rotation.\u003c\/li\u003e\n    \u003cli\u003eFit the supplied O-ring in the correct groove or sealing position.\u003c\/li\u003e\n    \u003cli\u003eReinstall the cover plate and tighten the screws evenly. Do not overtighten.\u003c\/li\u003e\n    \u003cli\u003eReopen the seacock, start the engine, and check water discharge and the pump cover for leaks.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\u003csummary\u003eHow can I verify that this impeller is correct for my engine?\u003c\/summary\u003e\u003cp\u003eCompare the existing impeller's manufacturer number, outside diameter, width, shaft diameter, key arrangement and pump model with the information on this page. Confirm the exact engine and pump configuration before ordering; model-family similarity alone is not sufficient.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat are the symptoms of a worn or failed impeller?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include rising engine temperature, reduced or absent water flow from the exhaust, and visible cracks, stiffness, deterioration or missing blades when the impeller is inspected.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eHow often should the impeller be replaced?\u003c\/summary\u003e\u003cp\u003eReplace it according to the engine or pump manufacturer's maintenance schedule. Annual replacement or replacement every 100–200 operating hours is commonly used as a preventive interval, with more frequent inspection in sandy, silty or debris-laden water.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eIs a special tool required?\u003c\/summary\u003e\u003cp\u003eA compatible impeller puller is recommended to reduce the risk of damaging the pump housing. The threaded end is intended to assist removal with a suitable puller.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement kit. The listed brand names and part numbers are reference identifiers and do not imply that the product is manufactured by or endorsed by those brands.\u003c\/p\u003e\u003c\/details\u003e\n  \u003cdetails\u003e\u003csummary\u003eWhat should I do if the dimensions or original part differ?\u003c\/summary\u003e\u003cp\u003eDo not install the kit if the original part, shaft arrangement, keyway, dimensions or pump configuration differs. Confirm the application with the pump or engine manufacturer before purchase.\u003c\/p\u003e\u003c\/details\u003e\n\n  \u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAlways compare the original part, pump model and dimensions before purchase and installation.\u003c\/li\u003e\n    \u003cli\u003eClose the water-intake seacock and allow the engine to cool before servicing the pump.\u003c\/li\u003e\n    \u003cli\u003eIncorrect impeller selection or installation can cause loss of cooling-water flow and engine damage.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when the pump assembly or engine service procedure is unfamiliar.\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 replacement parts selected for demanding real-world service.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Orders are processed promptly, with available delivery options shown at checkout.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — We work with manufacturing partners to offer practical replacement parts at competitive prices.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717900734779,"sku":"D0-CZVO-M8ED","price":71.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/D0-CZVO-M8ED.png?v=1762937870"}],"url":"https:\/\/seasierra.com\/collections\/caterpillar-4-stroke-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}