{"product_id":"mercury-mercruiser-865317t02-hose-fitting-assembly","title":"Mercury MerCruiser 865317T02 2-Bib Hose Fitting Assembly – Cool Fuel \/ Raw-Water Cooling","description":"\u003csection class=\"product-description\"\u003e\n\n\u003ch2\u003eMercury MerCruiser 865317T02 – 2-Bib Orifice-Meter Hose Fitting Assembly\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 865317T02 \/ 22-865317T02\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mercury \/ MerCruiser\u003cbr\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e 2-bib orifice-meter hose fitting assembly\u003cbr\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e Hose fitting assembly + 4 hose clamps\u003cbr\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Raw-water cooling \/ Gen III Cool Fuel Module\u003c\/p\u003e\n\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Mercury MerCruiser 865317T02 is a genuine 2-bib orifice-meter hose fitting assembly used in selected MerCruiser raw-water cooling and Gen III Cool Fuel system configurations. Mercury service documentation identifies this as the two-bib hose kit used when servicing certain earlier Cool Fuel Module installations with the updated Gen III module design. The assembly ships complete with four hose clamps for a ready-to-install service.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury \/ MerCruiser OEM 2-bib orifice-meter hose fitting assembly\u003c\/li\u003e\n\u003cli\u003eDesigned for raw-water cooling and Gen III Cool Fuel system applications\u003c\/li\u003e\n\u003cli\u003eIncludes 4 hose clamps — complete kit for a full service installation\u003c\/li\u003e\n\u003cli\u003eOEM construction ensures correct bib configuration, port sizing, and sealing\u003c\/li\u003e\n\u003cli\u003eReferenced as Mercury part 22-865317T02 in service documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMerCruiser 496 MAG and 496 MAG H.O. engines equipped with the applicable 2-bib raw-water cooling or Cool Fuel system configuration\u003c\/li\u003e\n\u003cli\u003eOther MerCruiser engine families using the 2-bib orifice-meter hose arrangement — verify via engine serial number and parts diagram\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial number fitment notice:\u003c\/strong\u003e Mercury used both 2-bib and 3-bib hose arrangements depending on engine serial range and Cool Fuel system generation. Always confirm your existing hose configuration (2-bib or 3-bib) and engine serial number before ordering. The 3-bib version is 865208T02.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSystem \u0026amp; Diagram Position\u003c\/h2\u003e\n\u003cp\u003eThis assembly is positioned in the raw-water cooling circuit and\/or Cool Fuel Module hose routing, specifically at the orifice-meter bib connections. It is the 2-bib version of the hose kit; consult the applicable MerCruiser cooling-system or Cool Fuel diagram for your engine serial range to confirm the correct assembly for your installation.\u003c\/p\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x 2-bib orifice-meter hose fitting assembly\u003c\/li\u003e\n\u003cli\u003e4x hose clamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhen to Replace\u003c\/h2\u003e\n\u003cp\u003eReplace this assembly when the hose or fittings are cracked, leaking, hardened, or damaged, or when performing a Cool Fuel Module service conversion that requires an updated hose configuration. Any raw-water or coolant leakage around the bib fittings or hose connections should be addressed promptly to prevent engine overheating or fuel system issues.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eShut off the fuel supply and allow the engine to cool before beginning service\u003c\/li\u003e\n\u003cli\u003eNote the original 2-bib hose routing and clamp positions before disassembly — photograph if helpful\u003c\/li\u003e\n\u003cli\u003eInspect all mating fittings and connected hoses while the assembly is removed\u003c\/li\u003e\n\u003cli\u003eInstall the supplied hose clamps and tighten to the specification in the MerCruiser service manual\u003c\/li\u003e\n\u003cli\u003eRun the engine and verify the system is fully leak-free at all bib connection points before returning the vessel to service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between 865317T02 and 865208T02?\u003c\/strong\u003e\u003cbr\u003e\n865317T02 is the 2-bib orifice-meter hose assembly. 865208T02 is the 3-bib version. The correct part depends on your engine’s serial range and existing hose configuration. Confirm in the MerCruiser parts diagram before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit include clamps?\u003c\/strong\u003e\u003cbr\u003e\nYes — four hose clamps are included with the assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich engines use this assembly?\u003c\/strong\u003e\u003cbr\u003e\nConfirmed catalog applications include 496 MAG and 496 MAG H.O. engines with the 2-bib Cool Fuel or raw-water cooling arrangement. Check the MerCruiser parts catalog using your engine serial number for full fitment confirmation.\u003c\/p\u003e\n\n\u003ch2\u003eCross-Reference \/ Alternate Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMercury \/ MerCruiser: 865317T02\u003c\/li\u003e\n\u003cli\u003eMercury catalog reference: 22-865317T02\u003c\/li\u003e\n\u003cli\u003eRelated 3-bib kit: 865208T02\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDimensions \u0026amp; Weight\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: approx. 300 g (0.66 lb) — best estimate; update if exact spec is available\u003c\/li\u003e\n\u003cli\u003eRefer to the MerCruiser service diagram for hose routing dimensions and bib port sizing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest Use Case:\u003c\/strong\u003e This assembly is the right part for a Cool Fuel Module service or raw-water cooling hose replacement on a MerCruiser 496 MAG or H.O. engine when the existing installation uses a 2-bib orifice-meter hose arrangement. It’s particularly relevant when converting an earlier Cool Fuel Module to the Gen III design, where the hose kit is a required part of the service procedure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Issues:\u003c\/strong\u003e The most critical step is confirming 2-bib versus 3-bib before ordering — both assemblies look similar and are used on the same engine family depending on serial range. The 3-bib version (865208T02) is not in this catalog listing. Always cross-reference the engine serial number against the applicable MerCruiser Cool Fuel or cooling-system diagram to confirm which assembly is installed on your engine.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Products\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/8131436871716\"\u003eMercury MerCruiser Fuel Module Kit 8M0047215\u003c\/a\u003e — fuel module service kit for MerCruiser engines\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/8131438313508\"\u003eMercury MerCruiser Thermostat 160°F – 8M0076464 – 496 MAG \/ 8.1L Big Block\u003c\/a\u003e — thermostat for 496 MAG cooling system service\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/8131643670564\"\u003eSierra Marine Thermostat 18-43017 – 496 MAG Cooling System\u003c\/a\u003e — Sierra cross-reference thermostat for 496 MAG\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/8131442081828\"\u003eMercury MerCruiser Seawater Pump Impeller Kit – 8M0137219\u003c\/a\u003e — service the raw-water pump at the same time\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/8131438903332\"\u003eMercury 8M0082322 – 90° Air Fitting – MerCruiser Seawater Pump \u0026amp; Drain Assembly\u003c\/a\u003e — related cooling system drain fitting\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/11167580618788\"\u003eMercury MerCruiser 864579 Cooling System Hose – Check Valve to Thermostat Housing\u003c\/a\u003e — companion cooling hose\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/8131431858212\"\u003eMercury Quicksilver Extended Life Coolant\/Antifreeze 877770K1\u003c\/a\u003e — top up coolant after cooling system service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":51324692299812,"sku":"865317T02","price":80.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/5f1d79ac-8076-4382-b6e6-3819fa1c8260.png?v=1788198742","url":"https:\/\/marisolmarine.com\/products\/mercury-mercruiser-865317t02-hose-fitting-assembly","provider":"Marisol Marine Company","version":"1.0","type":"link"}