{"title":"Volvo Penta 4-Stroke 4.3L-7.4L Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is for Volvo Penta 4‑Stroke 4.3L–7.4L marine engines and helps you find compatible parts and service information. Inside you’ll find maintenance tips, commonly replaced parts, and troubleshooting guidance. You can also browse the main Volvo Penta collection. Scroll to the bottom of the page to start browsing parts for this engine, and on the collection page 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\/volvo-penta\" style=\"display:inline-block; padding:10px 16px; background:#0a4; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Volvo Penta Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 4.3L–7.4L Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the identification plate: often on the flame arrestor bracket, valve cover, or flywheel housing; the sterndrive unit has its own tag on the transom assembly.\u003c\/li\u003e\n    \u003cli\u003eRecord the full engine model and serial number, plus the drive model. Suffixes may indicate features like ignition type, emission family, or package options.\u003c\/li\u003e\n    \u003cli\u003eNote the platform: 4.3L V6 versus 5.0\/5.7\/7.4L V8, and whether it’s carbureted (GL\/GS) or EFI (Gi\/GSi). Many fuel and ignition parts are platform‑specific.\u003c\/li\u003e\n    \u003cli\u003eConfirm cooling system: raw water vs. closed‑cooling (heat exchanger). Pumps, hoses, and thermostats differ by configuration.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eEngine Platform Overview\u003c\/h2\u003e\n  \u003ch3\u003e4.3L V6 (GL\/GS carbureted and Gi EFI)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; 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;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGM‑based 4.3L V6, 4‑stroke; available as carbureted GL\/GS or electronic fuel injection (Gi). Raw or closed‑cooling variants exist.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eExamples: 4.3GL \/ 4.3GS (carb), 4.3Gi (EFI) in sterndrive or inboard packages.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCompact V6 with strong low‑end torque and broad parts availability; EFI variants offer cleaner starts and steady idle.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCarb vs. EFI components are not interchangeable. Verify ignition type, fuel system, and cooling layout before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eV8 5.0L \/ 5.7L \/ 7.4L (GL\/GS carbureted and Gi\/GSi EFI)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; 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;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGM‑based small‑block (5.0\/5.7L) and big‑block (7.4L) V8, 4‑stroke; carb (GL\/GS) or EFI (Gi\/GSi) with platform‑specific ignition\/fuel hardware.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eExamples: 5.0GL\/Gi, 5.7GL\/GSi, 7.4GL\/Gi\/GSi sterndrive\/inboard packages.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHigh torque for heavy hulls, robust components, and wide aftermarket support; EFI improves cold starts and economy vs. carb.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch thermostats, pumps, and hoses to cooling type. EFI uses specific sensors, pumps, and regulators—confirm by model\/serial.\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=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow the procedures and specifications in the official Volvo Penta service manual for your exact model and serial.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; 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;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWarm engine before draining; replace drain plug washer if applicable.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-service-maintenance-kits\"\u003eVolvo Penta Service \u0026amp; Maintenance Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGear oil (sterndrive)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect mid‑season; replace annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eChange before winter layup; check for water intrusion and metal fines.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-lower-unit-seal-kits\"\u003eVolvo Penta Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 100 hours; replace 200–300 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse the correct heat range and gap for your ignition system.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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 style=\"padding:8px;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain water during the season; replace element annually or with contaminated fuel.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-fuel-filters\"\u003eVolvo Penta Fuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSeawater pump impeller\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 1–2 seasons (or ~100 hours)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace sooner if cooling flow drops or any overheat occurs; carry a spare onboard.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-water-pump-repair-kits\"\u003eVolvo Penta Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes (engine\/drive)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect monthly in salt\/brackish water; replace at 50% wear\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch anode material to your water type (zinc, aluminum, or magnesium).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-anodes\"\u003eVolvo Penta Anodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAccessory\/serpentine belt\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 100 hours; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLook for glazing, cracks, or noise; verify tension and alignment.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service Kits – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-service-maintenance-kits\"\u003eVolvo Penta Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-water-pumps\"\u003eVolvo Penta Water Pumps\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel Filtration – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-fuel-filters\"\u003eVolvo Penta Fuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Sensors – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-sensors\"\u003eVolvo Penta Sensors\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eStarting \u0026amp; Charging – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-alternators\"\u003eVolvo Penta Alternators\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-anodes\"\u003eVolvo Penta Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion – \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta-propellers\"\u003eVolvo Penta Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; 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;\"\u003eWeak water stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect intake screens\/strainer, impeller condition, thermostat operation, and belt tension on the circulation pump.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump repair kit, impeller, thermostat, hoses, belt\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck fuel quality, drain water separator, replace clogged filters; inspect propeller for damage or pitch mismatch.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel filters, fuel pump, spark plugs, propeller\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify battery condition and connections; inspect plugs and ignition leads; for EFI, confirm sensor connectors and IAC cleanliness.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, sensors, starter, alternator belt\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm correct oil level; check for milky oil (water intrusion); inspect prop shaft seals and U‑joints.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, bearings, gear lube\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLow charging voltage or overcharging\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck alternator belt condition\/tension and wiring; test alternator\/regulator output to spec.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAlternator, belt, regulator\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=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between carbureted (GL\/GS) and EFI (Gi\/GSi) engines or different years?\u003c\/summary\u003e\n    \u003cp\u003eSome base gaskets and hardware may cross over, but many fuel, ignition, and cooling components are platform‑specific. Always confirm by engine model and serial number, and match parts to your fuel\/ignition system and cooling type.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the seawater pump impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs preventive maintenance, replace every 1–2 seasons or about 100 hours. Replace immediately if you notice reduced cooling flow, elevated temperature, or damaged vanes.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should sterndrive gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eInspect mid‑season and replace annually, ideally before winterization. If oil appears milky or contains metal, service seals and investigate before reuse.\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 full engine model and serial number, drive model, cooling type (raw vs. closed), and clear photos of the identification plates and the part you’re replacing.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"margin-top:24px; padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n  \u003cp\u003eReady to find parts faster? Browse the main Volvo Penta collection and filter by horsepower, year range, and model to zero in on the right components.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/volvo-penta\" style=\"display:inline-block; padding:10px 16px; background:#0a4; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Volvo Penta Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; color:#444;\"\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":"power-steering-pump-fits-mercruiser-volvo-penta-omc-4-3l-5-7l-replaces-16792a39-3863130-3888323","title":"Power Steering Pump for MerCruiser Alpha One \u0026 Bravo Sterndrives – 4.3L, 5.0L, 5.7L, 7.4L \u0026 8.2L V6\/V8","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 {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis is a single aftermarket \u003cstrong\u003epower steering pump\u003c\/strong\u003e for older GM-based MerCruiser sterndrive applications. The pump is intended for MerCruiser Alpha One and Bravo systems used with 4.3L V6, 5.0L and 5.7L small-block V8, and 7.4L and 8.2L big-block V8 engines.\u003c\/p\u003e\n\u003cp\u003eThe application is associated with older MerCruiser marine power-steering assemblies used primarily from the 1980s through the early 2000s. It is supplied as one replacement pump, not as a kit. Confirm the original pump, mounting arrangement, hose connections, and engine\/drive application before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement power steering pump for selected MerCruiser sterndrive systems.\u003c\/li\u003e\n\u003cli\u003eDesigned for GM-based MerCruiser engine applications from the listed engine families.\u003c\/li\u003e\n\u003cli\u003eApplicable to selected Alpha One and Bravo sterndrive packages.\u003c\/li\u003e\n\u003cli\u003eCompare the original pump and connection layout before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following numbers are listed as application and replacement references for this pump. Number listings alone do not replace a physical comparison of the original part.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eReference Type\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\u003eAftermarket reference\u003c\/td\u003e\n        \u003ctd\u003e18-7508 Sierra Marine\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser reference\u003c\/td\u003e\n        \u003ctd\u003e16792A1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser reference\u003c\/td\u003e\n        \u003ctd\u003e16792A33\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser reference\u003c\/td\u003e\n        \u003ctd\u003e16792A39\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser reference\u003c\/td\u003e\n        \u003ctd\u003e90496A5\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser reference\u003c\/td\u003e\n        \u003ctd\u003e71317A1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser reference\u003c\/td\u003e\n        \u003ctd\u003e8M0063185\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser reference\u003c\/td\u003e\n        \u003ctd\u003e16792A40\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eCompatibility is based on the MerCruiser sterndrive application and the engine family. Keep the drive model, engine displacement, and original pump configuration together when checking fitment.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eSterndrive Application\u003c\/th\u003e\n        \u003cth\u003eEngine Family\u003c\/th\u003e\n        \u003cth\u003eDisplacement\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\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eAlpha One\u003c\/td\u003e\n        \u003ctd\u003eGM-based V6\u003c\/td\u003e\n        \u003ctd\u003e4.3L\u003c\/td\u003e\n        \u003ctd\u003eOlder marine power-steering applications; verify the original pump configuration.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eAlpha One or Bravo\u003c\/td\u003e\n        \u003ctd\u003eGM-based small-block V8\u003c\/td\u003e\n        \u003ctd\u003e5.0L and 5.7L\u003c\/td\u003e\n        \u003ctd\u003eVerify mounting and hose connections against the original pump.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eAlpha One or Bravo\u003c\/td\u003e\n        \u003ctd\u003eGM-based big-block V8\u003c\/td\u003e\n        \u003ctd\u003e7.4L and 8.2L\u003c\/td\u003e\n        \u003ctd\u003eApplication can vary; confirm the original pump and sterndrive package before purchase.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003ePower Steering Pump\u003c\/dd\u003e\n  \u003cdt\u003eProduct Configuration\u003c\/dt\u003e\n  \u003cdd\u003eSingle replacement pump\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eMerCruiser stern-drive and out-drive systems\u003c\/dd\u003e\n  \u003cdt\u003eCompatible Sterndrives\u003c\/dt\u003e\n  \u003cdd\u003eSelected Alpha One and Bravo applications\u003c\/dd\u003e\n  \u003cdt\u003eEngine Families\u003c\/dt\u003e\n  \u003cdd\u003eGM-based 4.3L V6, 5.0L and 5.7L small-block V8, 7.4L and 8.2L big-block V8\u003c\/dd\u003e\n  \u003cdt\u003eApplication Era\u003c\/dt\u003e\n  \u003cdd\u003ePrimarily older applications from the 1980s through the early 2000s\u003c\/dd\u003e\n  \u003cdt\u003eBrand\/Application\u003c\/dt\u003e\n  \u003cdd\u003eMerCruiser marine sterndrive application\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 Power Steering Pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConsult the engine and sterndrive service manual before beginning work.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the vessel battery and ensure the engine is cool before servicing the steering system.\u003c\/li\u003e\n  \u003cli\u003eClean the area around the pump and place a suitable drain pan beneath the assembly.\u003c\/li\u003e\n  \u003cli\u003eRecord the hose routing and mounting position before removing the original pump.\u003c\/li\u003e\n  \u003cli\u003eRemove the belt, hoses, and mounting hardware according to the service-manual procedure. Cap or protect open hydraulic lines to limit contamination.\u003c\/li\u003e\n  \u003cli\u003eCompare the replacement pump with the original pump, including mounting points, pulley arrangement, and hose connections.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement pump and tighten the mounting hardware to the manufacturer’s specified torque.\u003c\/li\u003e\n  \u003cli\u003eReconnect the hoses and reinstall the belt using the correct routing and tension procedure.\u003c\/li\u003e\n  \u003cli\u003eFill the system only with the fluid specified for your MerCruiser steering system.\u003c\/li\u003e\n  \u003cli\u003eBleed the system according to the service-manual procedure, then inspect carefully for leaks.\u003c\/li\u003e\n  \u003cli\u003eTest steering operation at low speed in a safe area before returning the vessel to normal service.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhich engines is this pump intended for?\u003c\/summary\u003e\u003cp\u003eThis pump is listed for older GM-based MerCruiser applications, including 4.3L V6, 5.0L and 5.7L small-block V8, and 7.4L and 8.2L big-block V8 engines. The sterndrive and original pump configuration must also match.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this pump fit both Alpha One and Bravo systems?\u003c\/summary\u003e\u003cp\u003eIt is intended for selected Alpha One and Bravo applications. Because configurations can vary by engine and model year, compare the original pump, mounting arrangement, and hose connections before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a complete kit?\u003c\/summary\u003e\u003cp\u003eNo. This listing is for one replacement power steering pump. Additional hoses, brackets, pulleys, hardware, and fluid are not stated as included unless specifically supplied with the product.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow can I confirm fitment?\u003c\/summary\u003e\u003cp\u003eMatch the engine displacement, sterndrive model, original pump shape and mounting points, hose routing, and the reference numbers listed above. When any of these details differ, consult a qualified marine technician or the applicable service documentation before installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are common signs of a failing power steering pump?\u003c\/summary\u003e\u003cp\u003ePossible symptoms include steering-assist loss, abnormal pump noise, difficult steering, or fluid leakage. Inspect the complete steering system before replacing the pump because hoses, fittings, belts, and other components can produce similar symptoms.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat fluid should I use?\u003c\/summary\u003e\u003cp\u003eUse only the power-steering fluid specified for your particular MerCruiser system. Refer to the engine or sterndrive service manual rather than selecting fluid based only on the pump appearance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM component?\u003c\/summary\u003e\u003cp\u003eThis listing is for an aftermarket replacement pump. The listed manufacturer and application references are provided to help identify the intended replacement application.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the engine displacement, sterndrive model, reference numbers, mounting arrangement, and hose connections before purchase.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on engine displacement alone to confirm fitment; older MerCruiser configurations can vary.\u003c\/li\u003e\n  \u003cli\u003eHydraulic steering work should be completed with the correct tools and service information.\u003c\/li\u003e\n  \u003cli\u003eAfter installation, check fluid level, steering operation, belt routing, and all connections for leaks before normal use.\u003c\/li\u003e\n  \u003cli\u003eProfessional marine installation is recommended if the original pump configuration or service procedure is uncertain.\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 replacement components for a range of marine engine and sterndrive applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product references and fitment details are provided to help you compare the replacement part with your original equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Awareness\u003c\/strong\u003e — Always use the applicable service information and verify the complete system before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723971039547,"sku":"21SP003","price":154.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Power_Steering_Pump_for_Mercruiser_Sterndrive_Alpha_Bravo__16792A39_-_JLM_MARINE-8288126.jpg?v=1763038815"}],"url":"https:\/\/seasierra.com\/collections\/volvo-penta-4-stroke-4-3l-7-4l-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}