{"product_id":"hella-009149591-mass-air-flow-sensor","title":"Hella 009149591 Mass Air Flow Sensor","description":"\u003ch2\u003eHella Mass Air Flow Sensor for Audi Applications\u003c\/h2\u003e\u003cp\u003eRestore accurate airflow measurement with this Hella mass air flow sensor, part number 009149591. Built with a bolted mounting type, a 5-connector design, and an 80 mm suction pipe connector diameter, it is specified for select Audi models from 2009-2018.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHella mass air flow sensor for emission control and engine management systems\u003c\/li\u003e\n\u003cli\u003eBolted mounting type for secure installation\u003c\/li\u003e\n\u003cli\u003e5 electrical connectors for the correct OE-style interface\u003c\/li\u003e\n\u003cli\u003e80 mm suction pipe connector diameter\u003c\/li\u003e\n\u003cli\u003ePart number 009149591 for accurate ordering and replacement matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Information\u003c\/h2\u003e\u003cp\u003eThis Hella MAF sensor measures incoming air so the engine control system can calculate fuel delivery and maintain proper drivability. It is a direct-fit style replacement for select Audi A3, A4, A5, A6, allroad, Q3, Q5, S4, and Audi Quattro applications, including 2009-2016 Audi A4, 2012-2018 Audi A6, and 2011-2017 Audi Q5. The Hella brand line is associated with OE-level electronic and sensor components, and this part number 009149591 is listed with the connector count and pipe diameter needed for application matching.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 173074) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRough idle caused by inaccurate airflow readings\u003c\/li\u003e\n\u003cli\u003eHesitation or poor throttle response\u003c\/li\u003e\n\u003cli\u003eIncorrect air-fuel mixture calculations\u003c\/li\u003e\n\u003cli\u003eCheck engine light conditions related to airflow sensor faults\u003c\/li\u003e\n\u003cli\u003eReduced drivability from a failing mass air flow sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Fitment\u003c\/h2\u003e\u003cp\u003eFits 2009-2016 Audi A4, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2009-2016 Audi A4 Quattro, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2010-2014 Audi A5, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2010-2017 Audi A5 Quattro, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2011-2017 Audi Q5, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2012-2018 Audi A6, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2013-2018 Audi A6 Quattro, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2013-2016 Audi allroad, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2015-2018 Audi Q3, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2015-2018 Audi Q3 Quattro, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2016 Audi S4, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2009-2011 Audi A3, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eFits 2009-2011 Audi A3 Quattro, N\/A; Mounting Type: Bolted; Suction pipe connector diameter [mm]: 80; Number of connectors: 5.\u003c\/p\u003e\u003cp\u003eBefore ordering, verify the connector count, mounting style, and 80 mm inlet diameter against the original sensor on the vehicle. The part number 009149591 is the most reliable reference for confirming the correct replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eHella is a recognized supplier of automotive electronic components, and this sensor is cataloged with OE-style fitment details to support accurate replacement selection.\u003c\/p\u003e","brand":"Hella","offers":[{"title":"Default Title","offer_id":52415098028213,"sku":"BFDP-009149591","price":148.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HL_009149591_Fro.jpg?v=1777799549","url":"https:\/\/www.partcatalog.com\/products\/hella-009149591-mass-air-flow-sensor","provider":"PartCatalog","version":"1.0","type":"link"}