{"product_id":"professional-parts-sweden-21345927hd-engine-crankcase-breather-hose-check-valve","title":"Professional Parts Sweden 21345927HD Engine Crankcase Breather Hose Check Valve","description":"\u003ch2\u003eEngine Crankcase Breather Hose Check Valve for Saab 9-5\u003c\/h2\u003e\u003cp\u003eProfessional Parts Sweden 21345927HD is an engine crankcase breather hose check valve for the crankcase ventilation system. It is listed for 2004-2009 Saab 9-5 applications and supports proper one-way flow control in the breather circuit.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine crankcase breather hose check valve for emission control service\u003c\/li\u003e\n\u003cli\u003eFits 2004-2009 Saab 9-5, N\/A\u003c\/li\u003e\n\u003cli\u003eGenuine manufacture quality noted in fitment data\u003c\/li\u003e\n\u003cli\u003eCross-reference part number: 5955927\u003c\/li\u003e\n\u003cli\u003eProfessional Parts Sweden part number 21345927HD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis crankcase breather hose check valve is used in the crankcase ventilation system to regulate airflow through the breather hose and help maintain correct pressure control. For Saab 9-5 owners servicing emission control components, 21345927HD provides a direct-fit replacement listing for 2004-2009 Saab 9-5 models. The part number 21345927HD is also associated with cross-reference 5955927 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCrankcase pressure irregularities\u003c\/li\u003e\n\u003cli\u003eOil vapor routing issues in the breather system\u003c\/li\u003e\n\u003cli\u003eCheck valve flow restriction or sticking\u003c\/li\u003e\n\u003cli\u003eBreather hose ventilation faults\u003c\/li\u003e\n\u003cli\u003eEmission control service needs on Saab 9-5 vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the existing valve orientation before removal and match the flow direction during installation. Inspect the breather hose, adjoining connectors, and nearby ventilation components for wear, cracking, or blockage before fitting the replacement. Confirm the vehicle application by year and model before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eProfessional Parts Sweden lists this component with genuine manufacture quality for the specified Saab 9-5 applications. Part number 21345927HD is identified for 2004-2009 Saab 9-5 fitment.\u003c\/p\u003e","brand":"Professional Parts Sweden","offers":[{"title":"Default Title","offer_id":52999982219445,"sku":"FNJW-21345927HD","price":35.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/PS_21345927HD_Fro.jpg?v=1787204575","url":"https:\/\/www.partcatalog.com\/products\/professional-parts-sweden-21345927hd-engine-crankcase-breather-hose-check-valve","provider":"PartCatalog","version":"1.0","type":"link"}