{"product_id":"turbo-gasket-fits-volvo-penta-ad31-ad41-aq40-aq41-md42-tmd31-tmd40-tmd41-replaces-23557470-23557475-859111-3582676","title":"Turbo Gasket – Fits Volvo Penta AD31 AD41 AQ40 AQ41 MD42 TMD31 TMD40 TMD41 (Replaces 23557470, 23557475, 859111, 3582676)","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\u003eTurbo Gasket\u003c\/strong\u003e is designed for Volvo Penta marine diesel engines including the AD31, AD41, AQ40, AQ41, MD42, TMD31, TMD40, and TMD41 series. It provides a reliable seal for the turbocharger exhaust manifold connection, ensuring proper operation across a broad range of Volvo Penta models spanning AQAD, KAMD, TAMD, and TMD families.\u003c\/p\u003e\n\u003cp\u003eThis gasket directly replaces Volvo Penta part numbers 23557470, 23557475, 859111, and 3582676.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered for marine turbo applications in Volvo Penta diesel engines\u003c\/li\u003e\n  \u003cli\u003eEnsures proper sealing between turbocharger and exhaust manifold\u003c\/li\u003e\n  \u003cli\u003eDirect-fit aftermarket replacement for multiple OEM part numbers\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\u003e23557470\u003c\/td\u003e\n        \u003ctd\u003ePrimary OEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e23557475\u003c\/td\u003e\n        \u003ctd\u003eSupersedes to 23557470\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e859111\u003c\/td\u003e\n        \u003ctd\u003eSuperseded by 23557470\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e3582676\u003c\/td\u003e\n        \u003ctd\u003eSuperseded by 23557470\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 and Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\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, AD31B, AD31D, AD31L-A, AD31P-A, AD31XD\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eAD41A, AD41B, AD41D, AD41L-A, AD41P-A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eAQAD30A, AQAD31A, AQAD40A, AQAD40B, AQAD41A, AQD40A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eD41A, D41B, D41D, D41L-A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eKAD300-A, KAD32P-A, KAD42A, KAD42B, KAD42P-A, KAD43P-A, KAD44P-B, KAD44P-C\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eKAMD300-A, KAMD42A, KAMD42B, KAMD42P-A, KAMD43P-A, KAMD44P-A, KAMD44P-B, KAMD44P-C\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eMD30A, MD31A, MD40A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD30A, TAMD31A, TAMD31B, TAMD31D, TAMD31L-A, TAMD31M-A, TAMD31P-A, TAMD31S-A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD40A, TAMD40B, TAMD41A, TAMD41B, TAMD41D, TAMD41H-A, TAMD41H-B, TAMD41L-A, TAMD41P-A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD42B, TAMD42WJ-A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTD30A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTMD30A, TMD31A, TMD31B, TMD31D, TMD31L-A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTMD40A, TMD40B, TMD40C, TMD41A, TMD41B, TMD41D, TMD41L-A\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\u003ePart Type\u003c\/dt\u003e\n  \u003cdd\u003eTurbocharger Exhaust Gasket\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eMarine diesel engines\u003c\/dd\u003e\n  \u003cdt\u003eReplaces OEM\u003c\/dt\u003e\n  \u003cdd\u003e23557470, 23557475, 859111, 3582676\u003c\/dd\u003e\n  \u003cdt\u003eFitment\u003c\/dt\u003e\n  \u003cdd\u003eVolvo Penta AD, AQAD, D, KAD, KAMD, MD, TAMD, TD, TMD series\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003e1 × Exhaust Manifold Elbow Riser Gasket\u003c\/strong\u003e\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 completely before beginning work.\u003c\/li\u003e\n  \u003cli\u003eRemove the turbocharger inlet and outlet connections, taking care to label hoses and fittings.\u003c\/li\u003e\n  \u003cli\u003eClean all mating surfaces thoroughly, removing old gasket material and carbon buildup.\u003c\/li\u003e\n  \u003cli\u003eInspect the turbocharger flange and exhaust manifold for cracks or warping.\u003c\/li\u003e\n  \u003cli\u003ePosition the new gasket dry (no sealant) onto the mounting studs or flange.\u003c\/li\u003e\n  \u003cli\u003eReinstall the turbocharger and hand-tighten all fasteners in a star pattern.\u003c\/li\u003e\n  \u003cli\u003eTorque bolts to manufacturer specification in two or three progressive passes.\u003c\/li\u003e\n  \u003cli\u003eReconnect all hoses, clamps, and electrical connections, then verify routing.\u003c\/li\u003e\n  \u003cli\u003eStart the engine and inspect for exhaust leaks at idle and under load.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my turbo gasket is failing?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms include exhaust leaks near the turbocharger, sooty residue on the engine block, whistling or hissing sounds under load, loss of boost pressure, or increased exhaust smell in the engine compartment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I reuse the old gasket during reassembly?\u003c\/summary\u003e\n  \u003cp\u003eNo. Turbo gaskets are crush-type seals designed for single use. Reusing an old gasket will likely result in exhaust leaks and potential engine damage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDo I need sealant on this gasket?\u003c\/summary\u003e\n  \u003cp\u003eTypically no. Install the gasket dry unless your engine's service manual explicitly calls for high-temperature sealant. Over-application can cause blockages or improper seating.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this fit my engine if I see a different part number on my old gasket?\u003c\/summary\u003e\n  \u003cp\u003eCross-reference your existing part number with the matrix above. Volvo Penta superseded several older numbers to 23557470, so visual confirmation and engine model verification are essential.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat torque spec should I use for the turbo flange bolts?\u003c\/summary\u003e\n  \u003cp\u003eConsult your engine's service manual for exact values, as they vary by model. Typical range is 18–25 Nm (13–18 ft·lbs), applied in a star pattern across two passes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should this gasket be replaced?\u003c\/summary\u003e\n  \u003cp\u003eReplace any time the turbocharger is removed for service. Routine inspection intervals vary, but addressing leaks immediately prevents exhaust back-pressure issues and turbo damage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \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\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \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\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":51025806721339,"sku":"23GT319","price":22.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12_2d022b94-d564-4c60-a2de-8a478a8bd878.jpg?v=1772959310","url":"https:\/\/seasierra.com\/products\/turbo-gasket-fits-volvo-penta-ad31-ad41-aq40-aq41-md42-tmd31-tmd40-tmd41-replaces-23557470-23557475-859111-3582676","provider":"SeaSierra","version":"1.0","type":"link"}