{"product_id":"atracypart-cv50634-crankcase-breather-filter-for-cummins-isx15-2010-2012-oe-fit-oil-vapor-control","title":"ATRACYPART CV50634 Crankcase Breather Filter for Cummins ISX15 (2010–2012) — OE-fit, Oil Vapor Control","description":"\u003cp\u003e\u003cstrong\u003eATRACYPART CV50634 is a direct-fit crankcase breather filter designed to replace worn or damaged ISX15 crankcase ventilation units on Cummins ISX engines and compatible heavy-duty trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your diesel engine is showing signs like oil leaks, elevated idle, or diminished performance, a clogged or failed crankcase breather can be the cause. The ATRACYPART CV50634 is engineered to meet OE form-and-fit standards, offering a replacement that restores proper crankcase ventilation, helps control oil vapor, and fits a wide range of models from Cummins ISX15-powered Volvo, Kenworth, Peterbilt, Freightliner and more.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this breather work with?\u003c\/h3\u003e\n\u003cp\u003eThis breather is compatible with 2010–2012 Cummins ISX 15.0 engines and many heavy truck platforms that use that powerplant. It fits a long list of OEM applications across manufacturers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCummins ISX15 (2010–2012)\u003c\/li\u003e\n  \u003cli\u003eVolvo VNL\/VT\/VN models (2008–2013)\u003c\/li\u003e\n  \u003cli\u003eKenworth, Peterbilt, Western Star, Freightliner, International, Spartan, Oshkosh, Orion Bus, and others listed for 2008–2013 model years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement breather improve engine operation?\u003c\/h3\u003e\n\u003cp\u003eReplacing a faulty breather helps stop crankcase pressure buildup and reduces oil leaks and smoke caused by excess blow-by. A properly functioning breather also contributes to steadier idle and more consistent engine performance under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores correct crankcase ventilation and pressure balance\u003c\/li\u003e\n  \u003cli\u003eReduces oil spray and external leaks from the valve cover and seals\u003c\/li\u003e\n  \u003cli\u003eHelps maintain steady idle speed and throttle response\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the construction and durability features of the CV50634?\u003c\/h3\u003e\n\u003cp\u003eThe housing is molded from reinforced materials engineered for high-temperature resistance and longer service life. Internal filtration media is designed to trap oil mist and particulates while allowing crankcase gases to vent properly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-style design for direct-fit replacement and easy installation\u003c\/li\u003e\n  \u003cli\u003eReinforced housing resists heat and mechanical stress\u003c\/li\u003e\n  \u003cli\u003eFiltration media reduces oil vapor carryover and protects intake components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part match my old part number or OE reference?\u003c\/h3\u003e\n\u003cp\u003eThe CV50634 is listed as a compatible replacement for several OE part numbers; always verify against the part on your vehicle before purchasing. It has been tested for fit and performance as a replacement element for these references.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces OE numbers: 904-7904, 99340, CB57, 3685528\u003c\/li\u003e\n  \u003cli\u003eAlso cross-references: CV50617, CV50634, CV50633\u003c\/li\u003e\n  \u003cli\u003eConfirm the OEM number on your existing breather before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? If you operate or maintain heavy-duty trucks powered by the Cummins ISX15 — including fleets of Volvo, Kenworth, Peterbilt, Western Star, Freightliner, International, Spartan, Oshkosh, Orion, or similar models from the 2008–2013 era — and you need a rugged, OE-style crankcase breather replacement, the ATRACYPART CV50634 is built for your application. It suits mechanics searching for a direct-fit part, fleet managers seeking consistent replacements, and owner-operators needing a durable, serviceable breather that helps control oil vapor and keep engines running smoothly. ATRACYPART backs this product with customer support and a 24-month warranty for replacement or refund if defects appear.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation note:\u003c\/strong\u003e Always shut down and cool the engine before replacing the breather. Inspect surrounding hoses and seals for wear, and confirm the OE part number to ensure compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does CV50634 fit Cummins ISX15 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ATRACYPART CV50634 is compatible with 2010–2012 Cummins ISX 15.0 engines and many associated truck models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What OE numbers does this replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It replaces OE references including 904-7904, 99340, CB57, 3685528, CV50617, CV50634, and CV50633.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ATRACYPART","offers":[{"title":"Default Title","offer_id":48083233767582,"sku":"B0B428F8SP","price":57.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/atracypart-cv50634-front-view.jpg?v=1785829232","url":"https:\/\/northtrailauto.ca\/products\/atracypart-cv50634-crankcase-breather-filter-for-cummins-isx15-2010-2012-oe-fit-oil-vapor-control","provider":"North Trail Auto","version":"1.0","type":"link"}