{"product_id":"heat-exchanger-seal-kit-fits-volvo-penta-aqad31a-tmd31a-tamd31-tamd41-replaces-22108","title":"Heat Exchanger Seal Kit – Fits Volvo Penta AQAD31A TMD31A TAMD31 TAMD41 (Replaces 22108)","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 Heat Exchanger Seal Kit is engineered for Volvo Penta diesel engines including AQAD31A, TMD31A, TAMD31, and TAMD41 series. Designed as a direct replacement for applications spanning the AD31, AD41, TMD31, TMD41, and TAMD31\/TAMD41 families, this seal kit ensures reliable heat exchanger performance in marine diesel installations.\u003c\/p\u003e\n\u003cp\u003eThis aftermarket kit directly replaces OEM part number 22108 and delivers consistent sealing for heat exchanger assemblies across multiple Volvo Penta diesel models.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision-molded gaskets and seals for heat exchanger components\u003c\/li\u003e\n\u003cli\u003eSuitable for both fresh and saltwater diesel marine applications\u003c\/li\u003e\n\u003cli\u003eSupplied with all essential sealing elements for complete service\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\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\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\u003eOEM Part No.\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\u003eAD31A\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eAD31B\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eAQAD31A\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD31A\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD31B\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTMD31A\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTMD31B\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eAD41A\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eAD41B\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eAQAD41A\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eD41A\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eD41B\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD41A\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD41B\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTMD41A\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTMD41B\u003c\/td\u003e\n        \u003ctd\u003e22108\u003c\/td\u003e\n        \u003ctd\u003eDiesel\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\u003eType\u003c\/dt\u003e\n  \u003cdd\u003eHeat Exchanger Seal Kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eVolvo Penta Diesel Engines\u003c\/dd\u003e\n  \u003cdt\u003eCompatible Engine Series\u003c\/dt\u003e\n  \u003cdd\u003eAD31, AD41, TMD31, TMD41, TAMD31, TAMD41, AQAD31A, AQAD41A, D41\u003c\/dd\u003e\n  \u003cdt\u003eOEM Reference\u003c\/dt\u003e\n  \u003cdd\u003e22108\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cp\u003eConfirm kit contents match your service requirements before installation.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eShut down the engine and allow the cooling system to cool completely before beginning work.\u003c\/li\u003e\n  \u003cli\u003eDrain the coolant from the heat exchanger and cooling circuit following manufacturer guidelines.\u003c\/li\u003e\n  \u003cli\u003eDisconnect hoses and fasteners securing the heat exchanger to the engine block.\u003c\/li\u003e\n  \u003cli\u003eRemove the old heat exchanger and carefully clean all mating surfaces, removing old gasket material and residue.\u003c\/li\u003e\n  \u003cli\u003eInspect heat exchanger end caps and tubes for corrosion, pitting, or damage; replace the unit if compromised.\u003c\/li\u003e\n  \u003cli\u003eInstall new seals and gaskets from the kit, ensuring proper orientation and alignment on all surfaces.\u003c\/li\u003e\n  \u003cli\u003eReinstall the heat exchanger assembly, torquing fasteners to Volvo Penta specifications in the recommended sequence.\u003c\/li\u003e\n  \u003cli\u003eReconnect all coolant hoses and secure clamps to prevent leaks.\u003c\/li\u003e\n  \u003cli\u003eRefill the cooling system with the correct coolant mixture and bleed air from the circuit.\u003c\/li\u003e\n  \u003cli\u003eStart the engine and monitor for leaks at all seal points; check coolant level and top off as needed.\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 heat exchanger seals need replacing?\u003c\/summary\u003e\u003cp\u003eCommon signs include coolant leaks around the heat exchanger, visible corrosion at gasket surfaces, overheating, or loss of coolant without external leaks. If seals appear brittle, cracked, or compressed beyond recovery, replacement is required.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this kit fit both freshwater and saltwater cooling systems?\u003c\/summary\u003e\u003cp\u003eYes, this seal kit is designed for marine diesel engines operating in both fresh and saltwater environments. Ensure proper coolant mixture and routine maintenance for optimal longevity.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I reuse old seals during reassembly?\u003c\/summary\u003e\u003cp\u003eNo. Heat exchanger seals are single-use components. Reusing old gaskets can result in poor sealing, coolant leaks, and potential engine damage. Always install new seals during service.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat torque specifications should I use for reassembly?\u003c\/summary\u003e\u003cp\u003eConsult your Volvo Penta service manual for model-specific torque values and tightening sequences. Incorrect torque can cause seal failure or component damage.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should heat exchanger seals be replaced?\u003c\/summary\u003e\u003cp\u003eReplace seals whenever the heat exchanger is removed for service, cleaning, or inspection. Typical service intervals vary by operating hours and environment; consult your maintenance schedule.\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\n\u003csummary\u003eReturns and product support\u003c\/summary\u003e\n\u003cp\u003eFor return eligibility, deadlines and instructions, see \u003ca href=\"https:\/\/seasierra.com\/policies\/refund-policy\"\u003eSeaSierra’s Refund Policy\u003c\/a\u003e. Contact SeaSierra before ordering if you need product-specific warranty information.\u003c\/p\u003e\n\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":51025809473851,"sku":"23SK001","price":29.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12_df48ee80-b89a-46d1-833d-226f25038b65.jpg?v=1772959421","url":"https:\/\/seasierra.com\/products\/heat-exchanger-seal-kit-fits-volvo-penta-aqad31a-tmd31a-tamd31-tamd41-replaces-22108","provider":"SeaSierra","version":"1.0","type":"link"}