{"title":"PCM 4-Stroke 270HP Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eWelcome to our PCM 4-Stroke 270HP marine engine parts hub. This page helps you identify compatible parts and find service information for your PCM V8 packages, with maintenance tips, common replacement items, and troubleshooting guidance. You can also browse our main PCM-compatible collections. Scroll to the bottom of the page to start browsing parts for this 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\/section.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0a5;border-radius:6px;text-decoration:none;\"\u003eBrowse Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 270HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the PCM identification\/serial tag on the engine. Common locations include the flame arrestor\/engine cover area, intake manifold\/plenum, or bellhousing. Transmission\/V‑drive units also have their own ID tags.\u003c\/li\u003e\n    \u003cli\u003eRecord the full engine model and serial number along with rotation (LH\/RH) and cooling type (raw-water cooled vs. fresh-water cooled). These details affect gasket sets, pumps, and hose routing.\u003c\/li\u003e\n    \u003cli\u003eNote the accessory drive layout: earlier packages may use V‑belts with a separate raw water pump; later packages often use a serpentine system with a crank-mounted raw water pump. This impacts belt, pulley, and pump parts.\u003c\/li\u003e\n    \u003cli\u003eFuel system cues: throttle-body or FCC (Fuel Control Cell) EFI versions use specific high\/low-pressure filters and hoses. Capture any FCC labels or part tags when possible.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eEngine Platform Overview\u003c\/h2\u003e\n  \u003ch3\u003ePCM 270HP V8 (5.7L) — Belt-Driven Raw Water Pump\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;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003e5.7L V8 4‑stroke gasoline; throttle-body or EFI with Fuel Control Cell; circulation pump plus belt-driven raw water pump.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eOften seen on MP5.7L “Pro Sport\/Excalibur” era packages (early‑2000s). Variants may differ by rotation and cooling type.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eProven small-block torque, straightforward service, widely available consumables (filters, plugs, belts, impellers).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eVerify thermostat housing style and hose routing. Raw-water pump and belt part numbers differ from serpentine systems.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003ePCM 270HP V8 (5.7L) — Serpentine Drive with Crank-Mounted Raw Water Pump\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;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003e5.7L V8 4‑stroke gasoline; EFI with FCC common; single serpentine belt and a crank-mounted raw water pump assembly.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eLater 5.7L installations with tensioner bracket and specific RWP housing\/impeller designs.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eImproved belt wrap and accessory reliability; simplified belt service; consistent cooling pump drive.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eUse the correct serpentine belt, idler\/tensioner, and RWP impeller kit. Some fittings\/O‑rings differ from earlier pumps.\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 0;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines; always follow your PCM service manual and boat manufacturer recommendations for your specific engine, transmission, and cooling configuration.\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;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEngine oil + filter (4‑stroke)\u003c\/td\u003e\n        \u003ctd\u003eInitial 20 hours; then every 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eUse marine‑rated oil; replace filter at every oil change.\u003c\/td\u003e\n        \u003ctd\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\u003eTransmission\/V‑drive fluid\u003c\/td\u003e\n        \u003ctd\u003eInspect often; change per transmission manual (typically annually)\u003c\/td\u003e\n        \u003ctd\u003eConfirm the correct ATF\/gear lube spec for your transmission model.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eVerify heat range and gap for PCM calibration; replace as a set.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFuel filter(s)\u003c\/td\u003e\n        \u003ctd\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eIncludes inline filter and FCC cartridge (if equipped).\u003c\/td\u003e\n        \u003ctd\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\u003eRaw water pump impeller\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually (sooner if run dry)\u003c\/td\u003e\n        \u003ctd\u003eReplace proactively to prevent overheat; inspect housing wear.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/impellers\"\u003eImpellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd\u003eInspect every 50 hours; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd\u003eProtects heat exchanger, manifolds, and other wetted metals.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eBelts (V‑belt\/serpentine)\u003c\/td\u003e\n        \u003ctd\u003eInspect every 50 hours; replace if cracked or glazed\u003c\/td\u003e\n        \u003ctd\u003eCorrect routing and tension are critical for charging and cooling.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/belt\"\u003eBelts\u003c\/a\u003e\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 0;\"\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 and \u003ca href=\"https:\/\/seasierra.com\/collections\/impellers\"\u003eImpellers\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\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/sensors\"\u003eSensors\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eExhaust \u0026amp; Manifolds — \u003ca href=\"https:\/\/seasierra.com\/collections\/manifolds\"\u003eManifolds\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/gaskets\"\u003eGaskets\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eStarting \u0026amp; Charging — \u003ca href=\"https:\/\/seasierra.com\/collections\/starters\"\u003eStarters\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/alternators\"\u003eAlternators\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  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px 0;\"\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;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWeak water stream \/ overheat alarm\u003c\/td\u003e\n        \u003ctd\u003eInspect raw water intake screen, sea strainer (if fitted), and impeller condition; confirm belt tension and thermostat operation.\u003c\/td\u003e\n        \u003ctd\u003eWater pump impeller kit, pump housing\/O‑rings, thermostat, belts\/ tensioner.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd\u003eCheck FCC\/inline fuel filter restriction, fuel pressure, spark plug condition, and throttle linkage. Verify clean flame arrestor.\u003c\/td\u003e\n        \u003ctd\u003eFuel filters, FCC filter, low\/high‑pressure pump, spark plugs, ignition components.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd\u003eVerify battery and ground connections, IAC\/TP sensor function, and vacuum leaks. Review ECM fault codes if equipped.\u003c\/td\u003e\n        \u003ctd\u003eElectrical items, sensors (IAC\/TP\/ECT), fuel filter, gaskets\/vacuum hoses.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTransmission noise or slipping\u003c\/td\u003e\n        \u003ctd\u003eCheck fluid level\/condition, cooler line restrictions, and coupling alignment. Look for leaks at the oil cooler.\u003c\/td\u003e\n        \u003ctd\u003eService fluids, transmission oil cooler, hoses\/clamps, damper plate (mounting).\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 0;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or accessory drive layouts?\u003c\/summary\u003e\n    \u003cp\u003eMany consumables (oil filters, spark plugs, anodes) overlap, but cooling and belt systems vary by year and package. Always verify engine serial, rotation, belt type (V‑belt vs serpentine), and raw water pump style before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the raw water impeller?\u003c\/summary\u003e\n    \u003cp\u003eAnnually or every 100 hours—whichever comes first. Replace immediately if the pump has run dry or shows reduced water flow or any signs of vane cracking.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should transmission or V‑drive fluid be changed?\u003c\/summary\u003e\n    \u003cp\u003eFollow the transmission manufacturer’s manual; a common practice is to inspect frequently and change at least annually or at the recommended hour interval, using the specified fluid type.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the engine model\/serial, rotation, cooling type (RWC\/FWC), belt system, transmission model, and clear photos of the current part (including any tags or markings). This ensures you receive the correct components the first time.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eReady to find the right parts? Browse our PCM‑compatible collections and filter by category to zero in on what your 270HP package needs.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0a5;border-radius:6px;text-decoration:none;\"\u003eStart Browsing Service \u0026amp; Maintenance Kits\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":"sherwood-major-repair-kit-with-10615-impeller-fits-sherwood-p102-p105-p109-p110-pumps-replaces-sherwood-19354-19354-shw-23977","title":"Sherwood Major Repair Kit with 10615 Impeller – Fits Sherwood P102, P105 and P109 Pumps (Replaces Sherwood 19354)","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.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 \u003cstrong\u003eSherwood Major Repair Kit with 10615 Impeller\u003c\/strong\u003e provides the wear components needed to rebuild selected Sherwood crank-driven raw-water pumps. It is designed for Sherwood pump models \u003cstrong\u003eP102, P105 and P109\u003c\/strong\u003e, which are used in a range of inboard marine applications.\u003c\/p\u003e\n\u003cp\u003eThe kit is a replacement for the Sherwood \u003cstrong\u003e19354\u003c\/strong\u003e major repair kit reference. Confirm the pump model, cover style and component arrangement before ordering, especially when servicing an older pump or a pump that has previously been rebuilt.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Mechanical raw-water pump rebuild.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpeller:\u003c\/strong\u003e Includes a 12-blade 10615 impeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Sherwood P102, P105 and P109 pump models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket note:\u003c\/strong\u003e The supplied end-cover gasket is intended for the applicable later-style pump configuration; compare it with the gasket or O-ring removed from your pump.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Reference\u003c\/h2\u003e\n\u003cp\u003eUse the following reference to compare the kit with the applicable Sherwood pump-repair listing. Part-number references do not replace verification of the pump model and cover configuration.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Reference\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003e19354\u003c\/td\u003e\n\u003ctd\u003eMajor repair kit reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSherwood\u003c\/td\u003e\n\u003ctd\u003e10615\u003c\/td\u003e\n\u003ctd\u003eImpeller reference included with this kit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eMarine raw-water pump major repair kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eMechanical\u003c\/dd\u003e\n  \u003cdt\u003eImpeller\u003c\/dt\u003e\n\u003cdd\u003e10615, 12-blade marine impeller\u003c\/dd\u003e\n  \u003cdt\u003eImpeller Material\u003c\/dt\u003e\n\u003cdd\u003eNeoprene\u003c\/dd\u003e\n  \u003cdt\u003eShaft Connection\u003c\/dt\u003e\n\u003cdd\u003e5\/8 in (16 mm)\u003c\/dd\u003e\n  \u003cdt\u003eDrive Type\u003c\/dt\u003e\n\u003cdd\u003e3\/16 in key drive\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Cam\u003c\/li\u003e\n\u003cli\u003e1 x Cam screw\u003c\/li\u003e\n\u003cli\u003e1 x Cam screw washer\u003c\/li\u003e\n\u003cli\u003e2 x Bearings\u003c\/li\u003e\n\u003cli\u003e1 x Small external retaining ring\u003c\/li\u003e\n\u003cli\u003e1 x Large internal retaining ring\u003c\/li\u003e\n\u003cli\u003e1 x Key\u003c\/li\u003e\n\u003cli\u003e1 x Lip seal\u003c\/li\u003e\n\u003cli\u003e1 x 10615 impeller\u003c\/li\u003e\n\u003cli\u003e1 x O-ring\u003c\/li\u003e\n\u003cli\u003e1 x End-cover gasket for the applicable later-style pump configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the vessel battery and close the raw-water intake seacock.\u003c\/li\u003e\n\u003cli\u003ePlace a catch pan under the pump and drain remaining water by loosening the hoses as needed.\u003c\/li\u003e\n\u003cli\u003eRemove the pump end-cover screws, cover and old gasket or O-ring.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old impeller. Use an impeller puller if necessary and avoid damaging the pump housing.\u003c\/li\u003e\n\u003cli\u003eInspect the housing, shaft and cover for scoring, corrosion or other damage. Clean all mating surfaces thoroughly.\u003c\/li\u003e\n\u003cli\u003eReplace the lip seal, bearings and retaining rings with the supplied components.\u003c\/li\u003e\n\u003cli\u003eApply a small amount of non-petroleum-based lubricant, such as silicone lubricant or soapy water, to the impeller and housing.\u003c\/li\u003e\n\u003cli\u003eInstall the impeller with a twisting motion in the direction of shaft rotation. Do not force it onto the shaft; it must move freely for the pump to prime correctly.\u003c\/li\u003e\n\u003cli\u003eInstall the key, cam and cam-screw components.\u003c\/li\u003e\n\u003cli\u003eFit the correct new gasket or O-ring and securely fasten the end cover.\u003c\/li\u003e\n\u003cli\u003eReconnect the hoses, open the seacock fully and reconnect the battery.\u003c\/li\u003e\n\u003cli\u003eAfter starting the engine, immediately check the pump and hose connections for leaks and confirm normal raw-water flow.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat Sherwood pump models does this kit fit?\u003c\/summary\u003e\u003cp\u003eThis major repair kit is listed for Sherwood raw-water pump models P102, P105 and P109. Verify the pump identification and cover configuration before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this kit fit every P102, P105 or P109 pump?\u003c\/summary\u003e\u003cp\u003eNot necessarily. Pump revisions may use different covers, gaskets or internal arrangements. Compare the supplied gasket or O-ring, key, cam and other components with your existing pump before installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat impeller is included?\u003c\/summary\u003e\u003cp\u003eThe kit includes a 10615 12-blade impeller. The impeller reference should not be confused with a complete major repair kit.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing water-pump impeller?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include higher-than-normal engine temperature, reduced water flow from the exhaust, damaged or missing impeller blades, and water leakage from the pump housing or seal area.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow should the new impeller be lubricated?\u003c\/summary\u003e\u003cp\u003eUse a non-petroleum-based lubricant, such as silicone lubricant or soapy water. Do not force the impeller onto the shaft, and do not use petroleum-based grease on the neoprene impeller.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\u003cp\u003eInspect the impeller during routine pump maintenance and replace it when blades show tearing, cracking, distortion or other damage. Replacement intervals depend on operating hours, water conditions and storage practices.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM Sherwood part?\u003c\/summary\u003e\u003cp\u003eThis listing is for an aftermarket replacement repair kit, not a genuine OEM Sherwood kit. Sherwood and the referenced part numbers are used only to identify the applicable pump and replacement references.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the shipping speed and cost?\u003c\/summary\u003e\u003cp\u003eTypical international transit is 5–15 days. Standard shipping is free to most regions; available expedited options and charges are shown at checkout.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. Returns are accepted within the standard return period for unused items in their original condition. Contact support for return instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the pump model and compare the new components with the original parts before installation.\u003c\/li\u003e\n\u003cli\u003eClose the seacock and disconnect the battery before servicing the raw-water pump.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement kit, not a genuine OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended when pump, shaft or housing damage is present.\u003c\/li\u003e\n\u003c\/ul\u003e\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 dependable service in real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Standard delivery is available to most regions, with shipping options shown at checkout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing and practical replacement solutions for marine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723798712635,"sku":"21FIK013-G","price":61.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/21FIK013-G.png?v=1763032080"},{"product_id":"belt-tensioner-fits-volvo-penta-4-3l-8-1l-pcm-crusader-replaces-3885250-3587858-ra068001","title":"Belt Tensioner for Volvo Penta 4.3L, 5.0L, 5.7L and 8.1L Marine Engines – Replaces 3885250, 3587858, 3587859 and 3861010","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ebelt tensioner assembly\u003c\/strong\u003e is designed for selected Volvo Penta marine engines using the applicable serpentine-belt tensioner arrangement. Catalog references identify applications in the Volvo Penta 4.3L, 5.0L, 5.7L and 8.1L engine families.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, compare the part number and tensioner arrangement on your engine with the references and application information below. Model-family listings alone do not confirm fitment for every engine configuration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement belt tensioner assembly for selected Volvo Penta marine engines.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain correct tension in the serpentine belt system.\u003c\/li\u003e\n  \u003cli\u003eSupplied as one individual tensioner assembly.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement; not an original Volvo Penta component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThe following manufacturer part numbers are listed as applicable references for this tensioner assembly. Confirm the number on your original part before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eManufacturer\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eReference Type\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3885250\u003c\/td\u003e\n        \u003ctd\u003ePrimary catalog reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3587858\u003c\/td\u003e\n        \u003ctd\u003eApplication reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3587859\u003c\/td\u003e\n        \u003ctd\u003eApplication reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3861010\u003c\/td\u003e\n        \u003ctd\u003eApplication reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe catalog application references below are grouped by engine family. Check your exact model designation, belt routing and original tensioner before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Volvo Penta Engine Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eEngine Models Listed\u003c\/th\u003e\n        \u003cth\u003eEngine Family\u003c\/th\u003e\n        \u003cth\u003eSystem\u003c\/th\u003e\n        \u003cth\u003eApplicable Reference\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e4.3 GL, 4.3 GXI, 4.3 GI, 4.3 OSI\u003c\/td\u003e\n        \u003ctd\u003e4.3L\u003c\/td\u003e\n        \u003ctd\u003eMarine serpentine-belt system\u003c\/td\u003e\n        \u003ctd\u003e3885250 \/ 3587858\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e5.0 GXI, 5.0 GI, 5.0 OSI\u003c\/td\u003e\n        \u003ctd\u003e5.0L\u003c\/td\u003e\n        \u003ctd\u003eMarine serpentine-belt system\u003c\/td\u003e\n        \u003ctd\u003e3885250 \/ 3587858\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e5.7 GI, 5.7 GXI, 5.7 OSI\u003c\/td\u003e\n        \u003ctd\u003e5.7L\u003c\/td\u003e\n        \u003ctd\u003eMarine serpentine-belt system\u003c\/td\u003e\n        \u003ctd\u003e3885250 \/ 3587858\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e8.1 GI, 8.1 GXI, 8.1 IPSCE, 8.1 OSI\u003c\/td\u003e\n        \u003ctd\u003e8.1L\u003c\/td\u003e\n        \u003ctd\u003eMarine serpentine-belt system\u003c\/td\u003e\n        \u003ctd\u003e3885250 \/ 3587859 \/ 3861010\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\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eSerpentine belt tensioner assembly\u003c\/dd\u003e\n  \u003cdt\u003eProduct Configuration\u003c\/dt\u003e\n  \u003cdd\u003eSingle replacement assembly\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Volvo Penta marine engines with the matching belt-tensioner arrangement\u003c\/dd\u003e\n  \u003cdt\u003ePart Type\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Belt tensioner assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and allow the engine to cool before beginning work.\u003c\/li\u003e\n  \u003cli\u003eConfirm that the replacement tensioner matches the original part and belt-routing arrangement.\u003c\/li\u003e\n  \u003cli\u003eUse the appropriate serpentine-belt tool or breaker bar to release belt tension.\u003c\/li\u003e\n  \u003cli\u003eRemove the belt from the tensioner and note its routing before disassembly.\u003c\/li\u003e\n  \u003cli\u003eRemove the original tensioner and retain any hardware that must be reused, unless replacement hardware is specified by the service information.\u003c\/li\u003e\n  \u003cli\u003eClean the mounting surface and install the replacement tensioner in the original position.\u003c\/li\u003e\n  \u003cli\u003eTighten the mounting fasteners to the engine manufacturer's specified torque.\u003c\/li\u003e\n  \u003cli\u003eRoute the belt according to the engine service manual and slowly release the tensioner.\u003c\/li\u003e\n  \u003cli\u003eCheck that the belt is fully seated and aligned on every pulley before starting the engine.\u003c\/li\u003e\n  \u003cli\u003eAfter startup, inspect belt tracking and listen for abnormal noise.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm fitment?\u003c\/summary\u003e\n  \u003cp\u003eMatch the exact number on your original tensioner with the listed references, then confirm the engine model and belt arrangement. The 4.3L, 5.0L, 5.7L and 8.1L engine families contain multiple configurations, so the model family alone is not sufficient.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a worn tensioner?\u003c\/summary\u003e\n  \u003cp\u003ePossible symptoms include belt squealing or chirping, abnormal pulley noise, belt misalignment, uneven belt wear, visible wobble or excessive movement at the tensioner.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs a special tool required?\u003c\/summary\u003e\n  \u003cp\u003eA serpentine-belt tensioner tool or a suitable long-handled breaker bar is commonly used to release belt tension. Follow the procedures and safety requirements in your engine service manual.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this for a V-belt system?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for the matching serpentine-belt tensioner arrangement. It should not be used on an engine equipped with a different V-belt or accessory-drive configuration.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is an aftermarket replacement assembly intended for applications using the listed references. It is not manufactured or sold as an original Volvo Penta component.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I do if my engine model is not listed?\u003c\/summary\u003e\n  \u003cp\u003eDo not assume compatibility from engine displacement alone. Compare the original part number, mounting arrangement and belt routing, or contact the seller with the complete engine model and original tensioner information before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the original part number, mounting configuration and belt routing before purchase.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery and keep hands, clothing and tools away from moving belts and pulleys during testing.\u003c\/li\u003e\n  \u003cli\u003eUse the manufacturer's torque specifications and service procedures.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not familiar with marine engine accessory-drive service.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement and is not an Original Equipment Manufacturer component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply aftermarket components for a wide range of marine service applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Information\u003c\/strong\u003e — Check part numbers and complete engine details before ordering to help ensure the correct replacement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomer Support\u003c\/strong\u003e — Contact us with your engine model and original part information if you need help confirming an application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723799040315,"sku":"6D-8FRI-KFLZ","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/6D-8FRI-KFLZ.png?v=1763032095"}],"url":"https:\/\/seasierra.com\/collections\/pcm-4-stroke-270hp-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}