{"product_id":"injector-sleeve-kit-fits-volvo-penta-ad31-ad41-kad42-kad43-tamd31-tamd41-tamd42-replaces-838609-861255","title":"Injector Sleeve Kit – Fits Volvo Penta AD31 AD41 KAD42 KAD43 TAMD31 TAMD41 TAMD42 (Replaces 838609, 861255)","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\u003eInjector Sleeve Kit\u003c\/strong\u003e is precision-engineered for Volvo Penta AD31, AD41, KAD42, KAD43, TAMD31, TAMD41, and TAMD42 series engines. Designed to restore proper injector seating and prevent fuel leaks, this kit delivers reliable fitment across dozens of 31, 41, 42, and 43 model variants, including earlier versions.\u003c\/p\u003e\n\u003cp\u003eServes as a direct aftermarket replacement for Volvo Penta part numbers 838609, 861255, and ORB11609.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e68 mm length, 22 mm diameter for exact OEM-spec fit\u003c\/li\u003e\n\u003cli\u003eCompatible with both naturally aspirated and turbocharged models\u003c\/li\u003e\n\u003cli\u003eIdeal for routine injector service or complete rebuild procedures\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e861255\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003e838609\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003ctd\u003eORB11609\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\u003eAD31A, AD31B, AD31L-A*, AD31P-A*, AD31XD\u003c\/td\u003e\n        \u003ctd\u003e* = Earlier version\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\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eMD31A\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD31A, TAMD31B, TAMD31D, TAMD31L-A*, TAMD31M-A*\u003c\/td\u003e\n        \u003ctd\u003e* = Earlier version\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTD31ACE\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTMD31A, TMD31B, TMD31D, TMD31L-A*\u003c\/td\u003e\n        \u003ctd\u003e* = Earlier version\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        \u003ctd\u003e* = Earlier version\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\u003e\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        \u003ctd\u003e* = Earlier version\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD41A, TAMD41B, TAMD41D, TAMD41H-A*, TAMD41H-B*, TAMD41L-A*, TAMD41M-A*, TAMD41P-A*\u003c\/td\u003e\n        \u003ctd\u003e* = Earlier version\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTMD41A, TMD41B, TMD41D, TMD41L-A*\u003c\/td\u003e\n        \u003ctd\u003e* = Earlier version\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eKAD42A, KAD42B, KAD42P-A\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eKAMD42A, KAMD42B, KAMD42P-A\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eTAMD42A, TAMD42B, TAMD42WJ-A*\u003c\/td\u003e\n        \u003ctd\u003e* = Earlier version\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eKAD43P*, KAD43P-A*, KAD43P-B\u003c\/td\u003e\n        \u003ctd\u003e* = Earlier version\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n        \u003ctd\u003eKAMD43P*, KAMD43P-A*, KAMD43P-B\u003c\/td\u003e\n        \u003ctd\u003e* = Earlier version\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\u003eLength\u003c\/dt\u003e\n\u003cdd\u003e68 mm\u003c\/dd\u003e\n  \u003cdt\u003eDiameter\u003c\/dt\u003e\n\u003cdd\u003e22 mm\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eOEM-specification copper alloy\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eInjector sealing \u0026amp; alignment\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInjector Sleeve Kit (quantity and components as required for installation)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect battery negative terminal and relieve fuel system pressure before beginning work.\u003c\/li\u003e\n\u003cli\u003eRemove injector lines, fuel return hoses, and any obstructing components to access the injectors.\u003c\/li\u003e\n\u003cli\u003eCarefully extract the old injector; if the sleeve remains in the head, use a slide-hammer or extractor tool designed for sleeves.\u003c\/li\u003e\n\u003cli\u003eClean the injector bore thoroughly to remove carbon deposits, old sealant, and debris.\u003c\/li\u003e\n\u003cli\u003eInspect the bore for cracks or scoring; address any damage before proceeding.\u003c\/li\u003e\n\u003cli\u003eLightly lubricate the new sleeve's outer diameter with clean engine oil to ease installation.\u003c\/li\u003e\n\u003cli\u003eInstall the new sleeve squarely into the bore, ensuring it seats fully to the shoulder or specified depth.\u003c\/li\u003e\n\u003cli\u003eInsert the injector, torque to Volvo Penta specification, and reconnect fuel lines using new copper washers.\u003c\/li\u003e\n\u003cli\u003ePrime the fuel system, bleed air from injector lines, and check for leaks before starting the engine.\u003c\/li\u003e\n\u003cli\u003eRun the engine at idle and inspect all connections; verify smooth operation and absence of smoke or fuel odor.\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 injector sleeve needs replacement?\u003c\/summary\u003e\u003cp\u003eCommon signs include fuel odor around the injector, visible external leaks, hard starting, white or black exhaust smoke, and poor idle quality. Sleeves can corrode or crack over time, allowing combustion gases or coolant into the injector bore.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eCan I reuse the old sleeve?\u003c\/summary\u003e\u003cp\u003eNo. Once removed, sleeves often deform or lose their sealing surface. Always install a new sleeve to ensure proper seating and prevent future leaks.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eDo I need special tools to install this sleeve?\u003c\/summary\u003e\u003cp\u003eA slide-hammer extractor is recommended for removing old sleeves. Installation typically requires a driver or socket that matches the sleeve diameter, plus a torque wrench for injector bolts. Always consult your engine's service manual for specific tooling and torque values.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWill this fit both earlier and current versions of my engine?\u003c\/summary\u003e\u003cp\u003eYes. This kit covers earlier-version models (marked with *) as well as standard production variants across the AD31, AD41, KAD42, KAD43, TAMD31, TAMD41, and TAMD42 families. Verify your model code against the compatibility table above.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat's the difference between this and the original Volvo Penta sleeve?\u003c\/summary\u003e\u003cp\u003eThis aftermarket sleeve is manufactured to the same dimensional and material specifications as OEM parts 838609 and 861255. It provides equivalent sealing, heat resistance, and durability at a more economical price point.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eHow often should injector sleeves be replaced?\u003c\/summary\u003e\u003cp\u003eReplace sleeves whenever injectors are serviced or if leaks, corrosion, or bore damage is detected. There is no fixed interval, but inspect during major overhauls or every 2,000–3,000 operating hours in high-duty applications.\u003c\/p\u003e\u003c\/details\u003e\n\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\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\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":51025807147323,"sku":"23IS437","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/12_9ee0b702-38a9-4b70-8281-28bb0ae57d10.png?v=1772959329","url":"https:\/\/seasierra.com\/products\/injector-sleeve-kit-fits-volvo-penta-ad31-ad41-kad42-kad43-tamd31-tamd41-tamd42-replaces-838609-861255","provider":"SeaSierra","version":"1.0","type":"link"}