{"product_id":"atracypart-cv50634-crankcase-breather-filter-for-cummins-isx15-0-direct-fit-oe-replacement-heat-resistant-housing","title":"ATRACYPART CV50634 Crankcase Breather Filter for Cummins ISX15.0 — Direct-Fit OE Replacement, Heat-Resistant Housing","description":"\u003cp\u003e\u003cstrong\u003eATRACYPART CV50634 is a direct-fit crankcase breather filter designed to replace OE crankcase filtration on Cummins ISX 15.0 engines and compatible heavy-duty trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty crankcase ventilation element prevents oil vapor and contaminants from re-entering the intake or escaping into the environment by capturing blow-by gases inside the valve cover\/vent system. Built to match OE fitment and replace part numbers such as 904-7904, 99340, CB57 and CV50617\/CV50633, the CV50634 offers a service-ready solution for a long list of truck makes and models—Volvo, Kenworth, Peterbilt, Freightliner, International, Western Star and more. The assembly is molded for heat resistance and designed for straightforward installation and reliable operation under commercial-use conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this crankcase breather fit?\u003c\/h3\u003e\n\u003cp\u003eThe CV50634 is intended for 15.0L Cummins ISX engines and a wide range of heavy trucks from 2008–2013. Confirm fitment by cross-referencing the OE numbers listed on your original breather or parts diagram before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect compatibility: 2010–2012 Cummins ISX15.0 engines.\u003c\/li\u003e\n  \u003cli\u003eTruck compatibility: Kenworth T660\/T680\/T800\/W900 and many Peterbilt, Volvo, Freightliner, International models (2008–2013 ranges).\u003c\/li\u003e\n  \u003cli\u003eReplaces OE: 904-7904, 99340, CB57, 3685528, CV50617, CV50634, CV50633.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement breather help engine performance and maintenance?\u003c\/h3\u003e\n\u003cp\u003eA functioning crankcase breather controls oil vapor and particulate carryover from the crankcase. By capturing contaminants and venting gasses correctly, the breather helps maintain cleaner intake components and reduces oil consumption and visible leaks associated with failed breathers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces oil vapor blow-by into intake and surrounding engine bay.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent excessive oil consumption and visible engine oil leaks.\u003c\/li\u003e\n  \u003cli\u003eMolded housing resists heat and maintains sealing under heavy-duty duty cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build quality and replacement features of the ATRACYPART unit?\u003c\/h3\u003e\n\u003cp\u003eThe CV50634 is manufactured to match OE design and dimensions for direct-fit replacement. The housing uses reinforced materials to resist elevated under-hood temperatures while the internal filter media captures oil mist and particulates, delivering a longer in-service life when compared to degraded or failed breathers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-style construction for direct fit and factory appearance.\u003c\/li\u003e\n  \u003cli\u003eReinforced housing material for improved temperature and durability resistance.\u003c\/li\u003e\n  \u003cli\u003eTested for trouble-free installation and lifespan consistent with heavy-duty use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm this is the correct part and install it?\u003c\/h3\u003e\n\u003cp\u003eBefore purchase, compare your current breather’s part number or consult your vehicle parts diagram. Installation is typically a simple removal of the old element and secure placement of the new unit into the valve cover or breather port; tighten or clip per factory torque\/clip instructions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify OEM numbers: 904-7904, 99340, CB57, 3685528, CV50617, CV50634, CV50633.\u003c\/li\u003e\n  \u003cli\u003eBasic installation: remove old breather, clean sealing surface, install replacement and secure per OEM guidance.\u003c\/li\u003e\n  \u003cli\u003eService note: check for oil leaks and proper seating after installation; replace if housing is cracked or distorted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ATRACYPART CV50634 is aimed at fleet mechanics, owner-operators and repair shops servicing medium- and heavy-duty trucks with the Cummins ISX15.0 engine and the compatible model ranges listed. If you need an OE-style, direct-fit crankcase breather that replaces common part numbers and improves crankcase ventilation reliability, this unit provides a practical, service-oriented replacement with a 24-month support commitment from ATRACYPART.\u003c\/p\u003e\n\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 this breather fit Cummins ISX15 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The CV50634 is made for Cummins ISX 15.0 engines and fits many 2008–2013 truck models; verify OE numbers before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which OE numbers does this replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It replaces 904-7904, 99340, CB57, 3685528, CV50617, CV50634 and CV50633; cross-check your part number.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ATRACYPART","offers":[{"title":"Default Title","offer_id":55168552665431,"sku":"B0B428F8SP","price":51.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/atracypart-cv50634-front-assembly.jpg?v=1790408034","url":"https:\/\/britishgarage.co.uk\/products\/atracypart-cv50634-crankcase-breather-filter-for-cummins-isx15-0-direct-fit-oe-replacement-heat-resistant-housing","provider":"British Garage","version":"1.0","type":"link"}