{"product_id":"volvo-1102","title":"Volvo Penta Cooling Water Tube 861090 | AD31 AD41 TAMD31 TAMD41 TMD31 TMD41 DP-E DP-D1 HS1A HS1E","description":"\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 861090\u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta (OEM Genuine)\u003cbr\u003e\u003cstrong\u003eOfficial Part Name:\u003c\/strong\u003e Tube\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Cooling-water \/ seawater connection plumbing\u003cbr\u003e\u003cstrong\u003eSupersedes:\u003c\/strong\u003e 860640, 3582721, 3582722, 3582723, 3582724\u003c\/p\u003e\n\n\u003cp\u003eGenuine Volvo Penta 861090 is an OEM cooling-water tube used in seawater and cooling-water plumbing on selected Volvo Penta diesel engines, stern drives, and reverse-gear installations. Parts diagrams place it in exhaust and cooling-water pipe assemblies, SX-drive cooling-water intake circuits, and HS1A \/ HS1E reverse-gear cooling-water connections. 861090 is the current OEM part, superseding earlier numbers 860640 and 3582721 through 3582724.\u003c\/p\u003e\n\n\u003cp\u003e⚠️ \u003cstrong\u003eFitment Notice:\u003c\/strong\u003e 861090 appears across several different Volvo Penta cooling-water assemblies. Confirm the exact engine model, drive type, transmission, and serial number against the applicable Volvo Penta parts diagram before ordering — do not identify this tube by shape or appearance alone.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVolvo Penta AD31L-A\u003c\/li\u003e\n\u003cli\u003eVolvo Penta AD31P-A (including SX-drive cooling-water intake — engines without power steering)\u003c\/li\u003e\n\u003cli\u003eVolvo Penta AD41L-A\u003c\/li\u003e\n\u003cli\u003eVolvo Penta AD41P-A\u003c\/li\u003e\n\u003cli\u003eVolvo Penta D41L-A\u003c\/li\u003e\n\u003cli\u003eVolvo Penta TAMD31 series\u003c\/li\u003e\n\u003cli\u003eVolvo Penta TAMD41 series\u003c\/li\u003e\n\u003cli\u003eVolvo Penta TMD31 series\u003c\/li\u003e\n\u003cli\u003eVolvo Penta TMD41 series\u003c\/li\u003e\n\u003cli\u003eVolvo Penta DP-E sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta DP-D1 sterndrive\u003c\/li\u003e\n\u003cli\u003eVolvo Penta HS1A reverse-gear cooling-water connection\u003c\/li\u003e\n\u003cli\u003eVolvo Penta HS1E reverse-gear cooling-water connection\u003c\/li\u003e\n\u003cli\u003eConfirm exact engine, drive, and transmission against the cooling-water diagram for the specific installation before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eEngine \/ Drive Family:\u003c\/strong\u003e Volvo Penta AD31\/41, TAMD31\/41, TMD31\/41 diesel; DP-E, DP-D1 sterndrive; HS1A, HS1E reverse gear\u003cbr\u003e\u003cstrong\u003eSystem:\u003c\/strong\u003e Seawater \/ cooling-water plumbing\u003cbr\u003e\u003cstrong\u003eDiagram Positions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExhaust and cooling-water pipe assembly\u003c\/li\u003e\n\u003cli\u003eSX-drive cooling-water intake circuit (AD31P-A without power steering)\u003c\/li\u003e\n\u003cli\u003eHS1A \/ HS1E reverse-gear to seawater-pump connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuperseded \/ Alternate Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCurrent OEM: \u003cstrong\u003e861090\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupersedes: \u003cstrong\u003e860640\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupersedes: \u003cstrong\u003e3582721\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupersedes: \u003cstrong\u003e3582722\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupersedes: \u003cstrong\u003e3582723\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupersedes: \u003cstrong\u003e3582724\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eNote: 861090 was also supplied as an individual component when older 3582723 connecting-kit configurations were superseded\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhen to Replace\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVisible corrosion, pitting, or wall thinning on the tube body\u003c\/li\u003e\n\u003cli\u003eTube is bent, cracked, or physically deformed\u003c\/li\u003e\n\u003cli\u003eHose sealing surfaces at either end are corroded or damaged\u003c\/li\u003e\n\u003cli\u003eCooling-water leakage develops around the connection\u003c\/li\u003e\n\u003cli\u003eInternal restriction or scale buildup is suspected after corrosion or contamination event\u003c\/li\u003e\n\u003cli\u003eTube is damaged during hose, transmission, or drive service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eService Interval\u003c\/strong\u003e\u003cbr\u003eInspect the tube and its hose connections during annual cooling-system service or whenever the seawater circuit is opened. Corrosion is the primary failure mode — any visible pitting or wall thinning warrants replacement before the next season.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInspect adjoining hoses and replace any that are hardened, cracked, or swollen\u003c\/li\u003e\n\u003cli\u003eReplace hose clamps if worn — applicable assemblies commonly use Volvo Penta clamp 961669\u003c\/li\u003e\n\u003cli\u003eRelated hoses documented in nearby assemblies include 861738, 861739, and 861742 — confirm against the applicable diagram\u003c\/li\u003e\n\u003cli\u003eCheck all sealing surfaces for corrosion before fitting new hoses\u003c\/li\u003e\n\u003cli\u003eRoute hoses without kinks and confirm correct orientation per the applicable parts diagram\u003c\/li\u003e\n\u003cli\u003eVerify seawater flow and check all connections for leakage after start-up\u003c\/li\u003e\n\u003cli\u003eAvoid side-loading or bending the tube during assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical FAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does 861090 appear in so many different cooling-water assemblies?\u003c\/strong\u003e\u003cbr\u003e861090 is a standardised connection tube used across several Volvo Penta cooling-water circuits that share a common tube specification, including drive cooling-water intake, exhaust cooling-water piping, and reverse-gear seawater connections. The same tube dimension was used in multiple installation positions across these related engine and drive families.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eI have one of the older superseded numbers — is 861090 the correct replacement?\u003c\/strong\u003e\u003cbr\u003eYes. Volvo Penta replacement documentation confirms 861090 as the current OEM replacement for 860640 and 3582721 through 3582724. If your parts diagram still shows one of those older numbers, order 861090 as the current service part.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I identify which cooling-water assembly my tube belongs to?\u003c\/strong\u003e\u003cbr\u003eUse the engine model, serial number, and the specific assembly (drive cooling-water intake, exhaust piping, or reverse-gear cooling connection) to locate the correct Volvo Penta parts diagram. Because 861090 appears in several positions, diagram confirmation is the only reliable way to verify fitment for your exact installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eParts Desk Insights\u003c\/strong\u003e\u003cbr\u003e861090 is a part where the cooling-system or transmission diagram is essential — not optional. It appears in multiple different assemblies across the AD31\/41 and TAMD families, so a customer asking for “the cooling tube” without specifying the assembly or serial number can easily end up with the right part number but the wrong installation context. The most useful counter question is: which system is the tube coming out of — the drive cooling-water intake, the exhaust cooling-water piping, or the reverse-gear seawater connection? Also worth noting: if any of the superseded numbers (860640 or 3582721–24) are requested, confirm 861090 is the current OEM replacement before processing the order.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRelated Parts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131513352228\"\u003eVolvo Penta Thermostat Housing to Heat Exchanger Hose 859800 | MD22 TMD22 TAMD22\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131513450532\"\u003eVolvo Penta Cooling System Filler Cap 860866 | D3 Series Diesel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131497033764\"\u003eVolvo Penta Exhaust Bellows 3850426 | SX DP-S DP-SM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131501555748\"\u003eVolvo Penta Exhaust Pipe 3858873 – SX \/ DP-S Sterndrive\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/8131513417764\"\u003eVolvo Penta Heat Exchanger Sealing Strip 860127 | AD31 AD41 TAMD31 TAMD41 KAD42 KAD44 KAD300\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43564051005476,"sku":"861090","price":84.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/images_adf98074-e82e-4f57-93a5-a066b5d91e8b.jpg?v=1788734144","url":"https:\/\/marisolmarine.com\/products\/volvo-1102","provider":"Marisol Marine Company","version":"1.0","type":"link"}