{"product_id":"cummins-x15-crankcase-breather-5679573-superseded-by-5417366cum","title":"CUMMINS X15 Crankcase Breather 5679573 Superseded by 5417366CUM","description":"\u003cp\u003eThis Crankcase Breather is a critical engine ventilation component compatible with for Cummins X15 engines and matches part number(s) 5679573, 5417366, and 5417366CUM.\u003c\/p\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThis Crankcase Breather is designed to manage airflow and regulate pressure within the engine crankcase for Cummins X15 XPI systems. By effectively releasing excess gases and preventing the accumulation of harmful vapors, this component helps protect engine seals and prevents oil leaks. This breather is an essential maintenance part for fleet owners and technicians working on EPA17 15 liter ISX and QSX engines to ensure optimal performance and long-term durability.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRegulates internal crankcase pressure to prevent oil leaks and protect engine seals\u003c\/li\u003e\n\u003cli\u003eFacilitates the removal of harmful gases to maintain a clean internal engine environment\u003c\/li\u003e\n\u003cli\u003eEngineered to withstand high operating temperatures and harsh under-hood conditions\u003c\/li\u003e\n\u003cli\u003eDirect replacement for part number 5679573 to ensure proper system integration\u003c\/li\u003e\n\u003cli\u003eContributes to improved fuel efficiency and reduced emissions through better airflow management\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor Cummins X15 XPI engines\u003c\/li\u003e\n\u003cli\u003eFor Cummins EPA17 15 Liter ISX engines\u003c\/li\u003e\n\u003cli\u003eFor Cummins EPA17 15 Liter QSX engines\u003c\/li\u003e\n\u003cli\u003eFor Cummins ISX12, ISX15, and QSK60 engines\u003c\/li\u003e\n\u003cli\u003eMatches part numbers 5679573, 5417366, 5417366CUM, and 4974922\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Uses\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoutine maintenance of heavy-duty commercial truck engines\u003c\/li\u003e\n\u003cli\u003eRepairing engine ventilation systems to resolve excessive crankcase pressure\u003c\/li\u003e\n\u003cli\u003eRestoring engine efficiency by replacing clogged or failing breather units\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Crankcase Breather\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 5679573, 5417366, 5417366CUM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand Compatibility:\u003c\/strong\u003e for Cummins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e X15, ISX15, QSX15, ISX12, QSK60\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e EPA17 15 Liter Engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know if this breather fits my specific engine?\u003cstrong\u003e A:\u003c\/strong\u003e You should verify that your existing part matches one of the provided part numbers, such as 5679573 or 5417366, and confirm your engine is a Cummins X15 or compatible 15-liter model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What are the signs that a crankcase breather needs to be replaced?\u003cstrong\u003e A:\u003c\/strong\u003e Common indicators include oil leaks from engine seals, increased oil consumption, or visible smoke and pressure buildup from the oil fill area.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"Northline Parts","offers":[{"title":"Default Title","offer_id":43043633987655,"sku":"ZZ1Q01648","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7123\/5399\/files\/116712866425-0.jpg?v=1785979202","url":"https:\/\/www.northlineparts.com\/products\/cummins-x15-crankcase-breather-5679573-superseded-by-5417366cum","provider":"Northline Parts","version":"1.0","type":"link"}