{"product_id":"zelyver-crankcase-breather-element-for-cummins-isx-ism-engines-cv50633-cv50634-single-replacement-oil-soot-filtration","title":"ZELYVER Crankcase Breather Element for Cummins ISX\/ISM Engines CV50633\/CV50634 - Single Replacement, Oil\/Soot Filtration","description":"\u003cp\u003e\u003cstrong\u003eThe ZELYVER CV50633\/CV50634 crankcase breather element is a direct-fit replacement filter that captures blow-by contaminants and protects Cummins ISX\/ISM engines and compatible heavy-duty trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis breather element is engineered as a service replacement for factory crankcase ventilation systems used on a range of heavy-duty diesel engines and truck makes. It helps trap oil, soot and vapor from crankcase gases to reduce contamination of intake and lubrication systems. Built and tested to meet performance expectations, the part is supplied singly and cross-references multiple OEM numbers for easy fitment checks.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and trucks will this breather element fit?\u003c\/h3\u003e\n\n\u003cp\u003eThe ZELYVER part is designed for late-2000s to early-2010s heavy-duty platforms. Confirm year and engine model before ordering to ensure compatibility.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible engine: Cummins ISX 15.0 (2010–2012) and ISM variants where specified.\u003c\/li\u003e\n  \u003cli\u003eSupported makes: Kenworth, Peterbilt, Freightliner, International\/Navistar, Western Star, Volvo, Spartan, Oshkosh, American LaFrance.\u003c\/li\u003e\n  \u003cli\u003eRecommended for model years listed: typically 2008–2013 depending on manufacturer.\u003c\/li\u003e\n  \u003cli\u003eCross-reference part numbers supplied to verify exact fit for your chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement match factory parts and numbers?\u003c\/h3\u003e\n\n\u003cp\u003eZELYVER supplies the breather element with multiple cross-reference numbers so you can confirm it replaces the original item on your vehicle. The element is manufactured to align with common OEM dimensions and filtration needs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eReplaces: 3691476, 904-7904, 99340, CB57 and many listed equivalents.\u003c\/li\u003e\n  \u003cli\u003eInternal ZELYVER references include CV50634, CV50633 and related SKUs for quick identification.\u003c\/li\u003e\n  \u003cli\u003eCheck your engine manual or existing filter label to match numbers before purchase.\u003c\/li\u003e\n  \u003cli\u003eSold as a single replacement unit; inspect seals and mounting hardware during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and quality checks are performed on this breather?\u003c\/h3\u003e\n\n\u003cp\u003eEach unit is tested prior to shipping to ensure it meets basic functional requirements for crankcase ventilation duty. The design focuses on capturing oil and soot particles while allowing proper crankcase venting.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e100% tested at the factory for fit and basic function before dispatch.\u003c\/li\u003e\n  \u003cli\u003eMedia optimized for separating oil mist and particulate from blow-by gases.\u003c\/li\u003e\n  \u003cli\u003eDurable construction to withstand heavy-duty engine bay conditions.\u003c\/li\u003e\n  \u003cli\u003ePackaged as one element per box for straightforward replacement service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain the crankcase breather element?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward for technicians familiar with crankcase ventilation systems. Regular inspection and timely replacement help maintain engine cleanliness and reduce oil contamination risk.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFollow vehicle OEM service intervals and replace when signs of clogging or oil carryover appear.\u003c\/li\u003e\n  \u003cli\u003eInspect mounting gaskets, seals and hose connections during replacement.\u003c\/li\u003e\n  \u003cli\u003eUse the cross-reference list to ensure you ordered the correct element for your engine.\u003c\/li\u003e\n  \u003cli\u003eDispose of the used filter according to local regulations for oil-contaminated parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ZELYVER CV50633\/CV50634 crankcase breather element is aimed at fleet managers, service technicians and owner-operators of medium- and heavy-duty trucks who need a reliable replacement for Cummins ISX\/ISM ventilation components. It's suitable for workshops and field-service teams maintaining Kenworth, Peterbilt, Freightliner, International, Western Star and other compatible chassis from the specified model years. Always verify the part number match with your engine documentation before purchase. ZELYVER provides a one-year limited warranty and customer support for fitment questions or claim assistance.\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 this part fit my Cummins ISX 15.0 engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This ZELYVER element fits Cummins ISX 15.0 models from 2010–2012. Confirm your engine year and existing part number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the package include and is there a warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The box contains one CV50633 breather element. ZELYVER offers a one-year limited warranty and customer support for fitment questions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ZELYVER","offers":[{"title":"Default Title","offer_id":55168518291799,"sku":"B0DFH9QJ14","price":49.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/zelyver-front-packaging-crankcase-breather.jpg?v=1790406355","url":"https:\/\/britishgarage.co.uk\/products\/zelyver-crankcase-breather-element-for-cummins-isx-ism-engines-cv50633-cv50634-single-replacement-oil-soot-filtration","provider":"British Garage","version":"1.0","type":"link"}