{"product_id":"lower-unit-seal-kit-fits-volvo-penta-dps-a-dps-b-sterndrives-replaces-23020-3888822","title":"Lower Unit Seal Kit – Fits Volvo Penta DPS-A DPS-B Sterndrives (Replaces 23020, 3888822)","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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eLower Unit Seal Kit – Fits Volvo Penta DPS-A DPS-B Sterndrives\u003c\/strong\u003e is designed for complete gearcase seal renewal on Volvo Penta DPS-A and DPS-B sterndrive models. Engineered to restore proper sealing integrity, this kit protects critical lower unit components from water intrusion and gear oil loss.\u003c\/p\u003e\n\u003cp\u003eDirect replacement for Volvo Penta 3888822 and Orbitrade 23020, ensuring proper interchange and compatibility with factory service procedures.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComprehensive seal replacement for Volvo Penta DPS-A and DPS-B sterndrives\u003c\/li\u003e\n\u003cli\u003eDesigned for lower unit service and rebuild applications\u003c\/li\u003e\n\u003cli\u003eFactory-compatible seal materials and dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\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\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3888822\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOrbitrade\u003c\/td\u003e\n        \u003ctd\u003e23020\u003c\/td\u003e\n        \u003ctd\u003eAftermarket equivalent\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\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eDPS-A\u003c\/td\u003e\n        \u003ctd\u003eLower unit seal kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eDPS-B\u003c\/td\u003e\n        \u003ctd\u003eLower unit seal kit\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\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eLower unit gearcase seal service\u003c\/dd\u003e\n  \u003cdt\u003eSterndrive Type\u003c\/dt\u003e\n  \u003cdd\u003eVolvo Penta DPS-A, DPS-B\u003c\/dd\u003e\n  \u003cdt\u003eKit Type\u003c\/dt\u003e\n  \u003cdd\u003eComplete seal replacement kit\u003c\/dd\u003e\n  \u003cdt\u003eReplacement Interval\u003c\/dt\u003e\n  \u003cdd\u003eAs needed during lower unit service or rebuild\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cp\u003ePackage contents as supplied:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete seal kit for lower unit service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDrain all gear oil from the lower unit and remove the unit from the transom assembly following manufacturer service procedures.\u003c\/li\u003e\n\u003cli\u003eDisassemble the lower unit housing carefully, keeping track of all fasteners and component orientation.\u003c\/li\u003e\n\u003cli\u003eRemove all old seals, O-rings, and gasket material using appropriate seal removal tools; clean all mating surfaces thoroughly.\u003c\/li\u003e\n\u003cli\u003eInspect shafts, housings, and bearing surfaces for wear, scoring, or corrosion that may compromise new seals.\u003c\/li\u003e\n\u003cli\u003eInstall new seals using proper installation tools and techniques to avoid damaging seal lips or housings.\u003c\/li\u003e\n\u003cli\u003eLubricate seal lips with fresh gear oil during installation to ensure proper seating and initial protection.\u003c\/li\u003e\n\u003cli\u003eReassemble the lower unit following torque specifications and alignment procedures in the service manual.\u003c\/li\u003e\n\u003cli\u003eReinstall the unit to the transom assembly, refill with recommended gear oil, and check for leaks before operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if my lower unit seals need replacement?\u003c\/summary\u003e\u003cp\u003eCommon signs include visible gear oil leaking from the lower unit, milky or discolored gear oil indicating water intrusion, excessive oil consumption, or oil residue around the propeller shaft or drive housing seams.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I replace individual seals or do I need the complete kit?\u003c\/summary\u003e\u003cp\u003eWhile individual seals can technically be replaced, it is best practice to use a complete seal kit during lower unit service to ensure all sealing surfaces are renewed simultaneously, preventing future leaks from older seals.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat tools are required for seal installation?\u003c\/summary\u003e\u003cp\u003eSeal installation typically requires seal drivers or appropriately sized sockets, bearing pullers or seal removal tools, a torque wrench, gasket scraper, clean rags, and fresh gear oil for lubrication during assembly.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this kit work on both DPS-A and DPS-B models?\u003c\/summary\u003e\u003cp\u003eYes, this seal kit is engineered to fit both Volvo Penta DPS-A and DPS-B sterndrive lower units. Always verify your specific model and serial number against the compatibility table before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should lower unit seals be replaced?\u003c\/summary\u003e\u003cp\u003eSeals should be replaced whenever the lower unit is disassembled for service, repair, or bearing replacement. Routine inspection during annual gear oil changes helps identify early signs of seal wear or failure.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":51025809768763,"sku":"23SK493","price":42.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/s-l1600_8b447504-5a96-4d15-b668-eadc0f1211d4.jpg?v=1773149417","url":"https:\/\/seasierra.com\/products\/lower-unit-seal-kit-fits-volvo-penta-dps-a-dps-b-sterndrives-replaces-23020-3888822","provider":"SeaSierra","version":"1.0","type":"link"}