{"product_id":"2512556c91-genuine-international®-open-breather-conversion-kit","title":"2512556C91 | Genuine International® Open Breather Conversion Kit","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e Open Breather Conversion Kit\u003cbr\u003e\u003cstrong\u003eCondition: \u003c\/strong\u003eNew\u003cbr\u003e\u003cstrong\u003eBrand: \u003c\/strong\u003eInternational®\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2512556C91\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFitment Guide 2512556C91:\u003c\/strong\u003e Engine \u003cspan\u003eI334 2010 MaxxForce DT, 9, 10\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBill of Materials 2512556C91:\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable class=\"table is-fullwidth is-bordered svelte-17pwgvf\"\u003e\n\u003cthead class=\"svelte-17pwgvf\"\u003e\n\u003ctr class=\"has-text-weight-medium svelte-17pwgvf\"\u003e\n\u003cth class=\"is-related-part-name name-column is-size-6-desktop is-size-7-touch  has-text-grey-dark pl-0 svelte-17pwgvf\"\u003eName\u003c\/th\u003e\n\u003cth class=\"is-related-part-name is-size-6-desktop is-size-7-touch quantity-column has-text-grey-dark has-text-centered svelte-17pwgvf\"\u003eQuantity\u003c\/th\u003e\n\u003cth class=\"is-related-part-name is-size-6-desktop is-size-7-touch  has-text-grey-dark has-text-right pr-0 svelte-17pwgvf\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"svelte-17pwgvf\"\u003e\n\u003ctr class=\"svelte-17pwgvf\"\u003e\n\u003ctd class=\"is-bom-part-name is-size-7-desktop is-size-8-touch pl-0 svelte-17pwgvf\"\u003eDuct Assembly Turbocharger Inlet\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch quantity-column has-text-centered svelte-17pwgvf\"\u003e1\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch has-text-right pr-0 svelte-17pwgvf\"\u003e1889602C91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"svelte-17pwgvf\"\u003e\n\u003ctd class=\"is-bom-part-name is-size-7-desktop is-size-8-touch pl-0 svelte-17pwgvf\"\u003eClamp, Hose\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch quantity-column has-text-centered svelte-17pwgvf\"\u003e1\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch has-text-right pr-0 svelte-17pwgvf\"\u003e7092089C1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"svelte-17pwgvf\"\u003e\n\u003ctd class=\"is-bom-part-name is-size-7-desktop is-size-8-touch pl-0 svelte-17pwgvf\"\u003eStrap, Tie\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch quantity-column has-text-centered svelte-17pwgvf\"\u003e1\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch has-text-right pr-0 svelte-17pwgvf\"\u003e1847046C1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"svelte-17pwgvf\"\u003e\n\u003ctd class=\"is-bom-part-name is-size-7-desktop is-size-8-touch pl-0 svelte-17pwgvf\"\u003eHose, Brthr Outlet\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch quantity-column has-text-centered svelte-17pwgvf\"\u003e1\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch has-text-right pr-0 svelte-17pwgvf\"\u003e7094955C1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"svelte-17pwgvf\"\u003e\n\u003ctd class=\"is-bom-part-name is-size-7-desktop is-size-8-touch pl-0 svelte-17pwgvf\"\u003eInstruction Sheet\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch quantity-column has-text-centered svelte-17pwgvf\"\u003e1\u003c\/td\u003e\n\u003ctd class=\"is-related-part-value is-size-7-desktop is-size-8-touch has-text-right pr-0 svelte-17pwgvf\"\u003e4328187R4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAn Open Breather Conversion \u003cstrong\u003e2512556C91\u003c\/strong\u003e is a modification where a vehicle’s crankcase ventilation system is changed from a closed system (recirculating vapors back into the intake) to an open system that vents those vapors to the atmosphere.\u003cbr\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp data-start=\"197\" data-end=\"234\"\u003e\u003cstrong\u003e1. Reduce Oil in the Intake System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"235\" data-end=\"294\"\u003eIn a factory \u003cstrong data-start=\"248\" data-end=\"286\"\u003eclosed crankcase ventilation (CCV)\u003c\/strong\u003e system:\u003c\/p\u003e\n\u003cul data-start=\"295\" data-end=\"450\"\u003e\n\u003cli data-start=\"295\" data-end=\"366\"\u003e\n\u003cp data-start=\"297\" data-end=\"366\"\u003eBlow-by gases (oil vapor + combustion gases) go back into the intake.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"367\" data-end=\"450\"\u003e\n\u003cp data-start=\"369\" data-end=\"450\"\u003eThat oil mist can coat the turbo, intercooler, intake piping, and EGR components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"452\" data-end=\"475\"\u003eAn open breather helps:\u003c\/p\u003e\n\u003cul data-start=\"476\" data-end=\"589\"\u003e\n\u003cli data-start=\"476\" data-end=\"503\"\u003e\n\u003cp data-start=\"478\" data-end=\"503\"\u003eKeep intake air cleaner\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"504\" data-end=\"555\"\u003e\n\u003cp data-start=\"506\" data-end=\"555\"\u003eReduce oil buildup in the turbo and intercooler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"556\" data-end=\"589\"\u003e\n\u003cp data-start=\"558\" data-end=\"589\"\u003eLower carbon sludge formation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"596\" data-end=\"630\"\u003e\u003cstrong\u003e2. Help With Performance Builds\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"631\" data-end=\"665\"\u003eOn modified or high-boost engines:\u003c\/p\u003e\n\u003cul data-start=\"666\" data-end=\"784\"\u003e\n\u003cli data-start=\"666\" data-end=\"721\"\u003e\n\u003cp data-start=\"668\" data-end=\"721\"\u003eIncreased blow-by can overwhelm the stock CCV system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"722\" data-end=\"784\"\u003e\n\u003cp data-start=\"724\" data-end=\"784\"\u003eAn open breather can relieve crankcase pressure more easily.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"786\" data-end=\"795\"\u003eThis can:\u003c\/p\u003e\n\u003cul data-start=\"796\" data-end=\"860\"\u003e\n\u003cli data-start=\"796\" data-end=\"823\"\u003e\n\u003cp data-start=\"798\" data-end=\"823\"\u003eReduce crankcase pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"824\" data-end=\"860\"\u003e\n\u003cp data-start=\"826\" data-end=\"860\"\u003eHelp prevent oil leaks under boost\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"867\" data-end=\"906\"\u003e\u003cstrong\u003e3. Simpler System (Fewer Components)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"907\" data-end=\"926\"\u003eSome owners prefer:\u003c\/p\u003e\n\u003cul data-start=\"927\" data-end=\"1008\"\u003e\n\u003cli data-start=\"927\" data-end=\"940\"\u003e\n\u003cp data-start=\"929\" data-end=\"940\"\u003eFewer hoses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"941\" data-end=\"971\"\u003e\n\u003cp data-start=\"943\" data-end=\"971\"\u003eNo oil separator maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"972\" data-end=\"1008\"\u003e\n\u003cp data-start=\"974\" data-end=\"1008\"\u003eLess contamination of intake parts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1015\" data-end=\"1060\"\u003e\u003cstrong\u003e4. Common in Off-Road or Race Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1061\" data-end=\"1152\"\u003eIn racing or off-road builds where emissions compliance isn’t required, it’s often used to:\u003c\/p\u003e\n\u003cul data-start=\"1153\" data-end=\"1202\"\u003e\n\u003cli data-start=\"1153\" data-end=\"1174\"\u003e\n\u003cp data-start=\"1155\" data-end=\"1174\"\u003eImprove reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1175\" data-end=\"1202\"\u003e\n\u003cp data-start=\"1177\" data-end=\"1202\"\u003eSimplify engine bay setup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003cbr\u003eSigns of Troubles 2512556C91:\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp data-start=\"300\" data-end=\"322\"\u003e\u003cstrong\u003e1. Strong Oil Smell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"323\" data-end=\"337\"\u003eIf you notice:\u003c\/p\u003e\n\u003cul data-start=\"338\" data-end=\"401\"\u003e\n\u003cli data-start=\"338\" data-end=\"357\"\u003e\n\u003cp data-start=\"340\" data-end=\"357\"\u003eBurning oil smell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"358\" data-end=\"401\"\u003e\n\u003cp data-start=\"360\" data-end=\"401\"\u003eFumes inside the cab (especially at idle)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"403\" data-end=\"482\"\u003eThe breather may be venting too close to the firewall, exhaust, or HVAC intake.\u003c\/p\u003e\n\u003cp data-start=\"489\" data-end=\"522\"\u003e\u003cstrong\u003e2. Oil Drips Under the Vehicle\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"523\" data-end=\"535\"\u003eYou may see:\u003c\/p\u003e\n\u003cul data-start=\"536\" data-end=\"639\"\u003e\n\u003cli data-start=\"536\" data-end=\"563\"\u003e\n\u003cp data-start=\"538\" data-end=\"563\"\u003eOil spots under the truck\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"564\" data-end=\"602\"\u003e\n\u003cp data-start=\"566\" data-end=\"602\"\u003eWet residue around the breather hose\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"603\" data-end=\"639\"\u003e\n\u003cp data-start=\"605\" data-end=\"639\"\u003eOil mist coating nearby components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"641\" data-end=\"660\"\u003eThis can happen if:\u003c\/p\u003e\n\u003cul data-start=\"661\" data-end=\"756\"\u003e\n\u003cli data-start=\"661\" data-end=\"690\"\u003e\n\u003cp data-start=\"663\" data-end=\"690\"\u003eThere’s excessive blow-by\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"691\" data-end=\"716\"\u003e\n\u003cp data-start=\"693\" data-end=\"716\"\u003eThe hose is too short\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"717\" data-end=\"756\"\u003e\n\u003cp data-start=\"719\" data-end=\"756\"\u003eNo catch can or filter is installed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"763\" data-end=\"797\"\u003e\u003cstrong\u003e3. Excessive Crankcase Pressure\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"798\" data-end=\"871\"\u003eIf the breather is clogged, kinked, or undersized, pressure can build up.\u003c\/p\u003e\n\u003cp data-start=\"873\" data-end=\"887\"\u003eSigns include:\u003c\/p\u003e\n\u003cul data-start=\"888\" data-end=\"984\"\u003e\n\u003cli data-start=\"888\" data-end=\"928\"\u003e\n\u003cp data-start=\"890\" data-end=\"928\"\u003eOil leaks from valve covers or seals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"929\" data-end=\"952\"\u003e\n\u003cp data-start=\"931\" data-end=\"952\"\u003eDipstick popping up\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"953\" data-end=\"984\"\u003e\n\u003cp data-start=\"955\" data-end=\"984\"\u003eWhistling noise from engine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"991\" data-end=\"1015\"\u003e\u003cstrong\u003e4. Check Engine Light\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1016\" data-end=\"1111\"\u003eSome modern vehicles monitor crankcase ventilation flow. An open breather conversion can cause:\u003c\/p\u003e\n\u003cul data-start=\"1112\" data-end=\"1166\"\u003e\n\u003cli data-start=\"1112\" data-end=\"1136\"\u003e\n\u003cp data-start=\"1114\" data-end=\"1136\"\u003ePCV\/CCV system codes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1137\" data-end=\"1166\"\u003e\n\u003cp data-start=\"1139\" data-end=\"1166\"\u003eEmissions system warnings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1173\" data-end=\"1195\"\u003e\u003cstrong\u003e5. Dirty Engine Bay\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1196\" data-end=\"1245\"\u003eIf the breather filter is low quality or missing:\u003c\/p\u003e\n\u003cul data-start=\"1246\" data-end=\"1323\"\u003e\n\u003cli data-start=\"1246\" data-end=\"1285\"\u003e\n\u003cp data-start=\"1248\" data-end=\"1285\"\u003eOil mist may coat engine components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1286\" data-end=\"1323\"\u003e\n\u003cp data-start=\"1288\" data-end=\"1323\"\u003eDirt may accumulate in oily areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1330\" data-end=\"1363\"\u003e\u003cstrong\u003e6. Whistling or Hissing Sounds\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1364\" data-end=\"1409\"\u003eImproper routing or loose fittings can cause:\u003c\/p\u003e\n\u003cul data-start=\"1410\" data-end=\"1467\"\u003e\n\u003cli data-start=\"1410\" data-end=\"1423\"\u003e\n\u003cp data-start=\"1412\" data-end=\"1423\"\u003eAir leaks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1424\" data-end=\"1467\"\u003e\n\u003cp data-start=\"1426\" data-end=\"1467\"\u003eVacuum issues (on gas engines especially)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003cbr\u003eManufacturer information\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eNavistar®\u003c\/strong\u003e is a proud manufacturer of some of the widely used trucks, yellow school buses, defense vehicles, and engines. It was recognized as the first truck and engine manufacturer to be certified by the EPA for meeting 2007 standards for hydrocarbons and particulate matter. But the company's global portfolio is not limited to its line of vehicles and engines—it also carries high-quality replacement parts and accessories to keep all these working in top condition at all times. From hose fuel, bolts, plugs, rivets, and bearings to flashers, incandescent lamps, camshaft brake, gasket injector, and spring door locks, Navistar has also got you covered.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFirst Truck Parts offers a \u003cstrong\u003e365-days warranty\u003c\/strong\u003e for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.\u003c\/span\u003e\u003c\/p\u003e","brand":"International®","offers":[{"title":"Default Title","offer_id":47687722860788,"sku":"2512556C91","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1479\/5764\/files\/a3ac7c131d.png?v=1771359013","url":"https:\/\/firsttruckparts.com\/en-ca\/products\/2512556c91-genuine-international%c2%ae-open-breather-conversion-kit","provider":"First Truck Parts","version":"1.0","type":"link"}