{"product_id":"wix-49421-engine-air-filter","title":"Wix 49421 Engine Air Filter","description":"\u003ch2\u003eEngine Air Filter Overview\u003c\/h2\u003e\u003cp\u003eWIX 49421 is a panel-style engine air filter built for light-duty applications that need dependable airflow control and engine protection. It is a direct replacement style filter for compatible Buick Regal and Saab 9-5 applications, with fitment covering 2010-2013 model years.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePanel air filter design for standard airbox service.\u003c\/li\u003e\n\u003cli\u003eEnhanced cellulose media for filtration performance and durability.\u003c\/li\u003e\n\u003cli\u003ePhenolic resin treatment helps resist moisture ingestion.\u003c\/li\u003e\n\u003cli\u003e30% more media than OES filters, based on WIX testing and design comparison.\u003c\/li\u003e\n\u003cli\u003eHigh-tear strength polyurethane seal is used when applicable for temperature resistance.\u003c\/li\u003e\n\u003cli\u003eLaboratory-tested to at least 99.5% efficiency per ISO 5011, based on WIX 42389.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWIX 49421 is an engine air filter designed to support normal and severe driving conditions, including stop-and-go traffic, dirt roads, construction zones, short trips, and highway use. The cellulose media is treated with phenolic resin to improve durability in moisture-prone environments, while the panel construction supports consistent filtration in the air intake system. This part cross-references ACDelco A3172C and FRAM CA12041 for the same application. For buyers servicing a Buick Regal or Saab 9-5, WIX 49421 offers a service replacement option aligned with OEM air filter change intervals.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestricted airflow from a loaded or dirty air filter.\u003c\/li\u003e\n\u003cli\u003eReduced filtration performance in dusty driving conditions.\u003c\/li\u003e\n\u003cli\u003eMoisture-related media breakdown in the intake system.\u003c\/li\u003e\n\u003cli\u003ePremature service intervals caused by demanding daily driving.\u003c\/li\u003e\n\u003cli\u003eAir intake contamination that can affect engine protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eReplace the filter at the interval specified for the vehicle and inspect the airbox for debris before installation. Confirm the panel dimensions and filter style match the existing unit before ordering. This part number 49421 is used in compatible Buick Regal and Saab 9-5 applications, so verify the air filter housing shape and size against the original filter.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWIX states this filter is recommended for OEM air filter change intervals and has been laboratory tested to at least 99.5% efficiency per ISO 5011, based on WIX 42389.\u003c\/p\u003e","brand":"Wix","offers":[{"title":"Default Title","offer_id":53609660350645,"sku":"BDCS-49421","price":39.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WF_49421_Fro.jpg?v=1793079010","url":"https:\/\/www.partcatalog.com\/products\/wix-49421-engine-air-filter","provider":"PartCatalog","version":"1.0","type":"link"}