{"product_id":"21679517-genuine-mack-crankcase-oil-ventilation-separator","title":"21679517 Genuine Mack Crankcase Oil Ventilation Separator","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe 21679517 is a genuine Mack Crankcase Oil Ventilation Separator designed for Mack engine crankcase ventilation systems. This separator operates within the engine ventilation circuit, separating oil mist from crankcase vapors to support proper breather system function.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe 21679517 Crankcase Oil Ventilation Separator is manufactured to Mack factory specifications for crankcase vapor control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeparates oil mist from crankcase vapors\u003c\/li\u003e\n\u003cli\u003eSupports engine breather system operation\u003c\/li\u003e\n\u003cli\u003eHelps route crankcase gases through the ventilation circuit\u003c\/li\u003e\n\u003cli\u003eDesigned for Mack engine service applications\u003c\/li\u003e\n\u003cli\u003eMaintains factory crankcase ventilation compatibility\u003c\/li\u003e\n\u003cli\u003eSupports controlled oil vapor management\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 156.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.6663%;\"\u003e\n\u003ccol style=\"width: 70.1483%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21679517\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankcase Oil Ventilation Separator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.0 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe 21679517 Crankcase Oil Ventilation Separator should be matched to the correct Mack engine ventilation configuration before installation. Inspect breather hoses, sealing surfaces, mounting points, and crankcase ventilation passages during service.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eVerify crankcase ventilation layout, breather hose routing, and engine configuration before installation to ensure proper vapor separation performance.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Mack","offers":[{"title":"Default Title","offer_id":43403491901503,"sku":"21679517","price":679.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/wmremove-transformed_6.jpg?v=1781863430","url":"https:\/\/linetruckparts.com\/products\/21679517-genuine-mack-crankcase-oil-ventilation-separator","provider":"Line Truck Parts","version":"1.0","type":"link"}