{"product_id":"hengst-e1709l-engine-air-filter","title":"Hengst E1709L Engine Air Filter","description":"\u003ch2\u003eEngine Air Filter for Audi Applications\u003c\/h2\u003e\u003cp\u003eThe Hengst HEZ Engine Air Filter, part number E1709L, is built for Audi air intake service where clean airflow and proper filtration are required. It is listed for a range of Audi A6 allroad, A6 Quattro, A7 Sportback, S6, and S7 Sportback applications.\u003c\/p\u003e\u003cp\u003eUse this filter when replacing the engine air filter on compatible Audi models that call for the HEZ Engine Air Filter line. The fitment data includes 2019-2025 applications, with OE reference notes shown for specific model years.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine air filter for air and fuel delivery service\u003c\/li\u003e\n\u003cli\u003eHEZ Engine Air Filter product line from Hengst\u003c\/li\u003e\n\u003cli\u003eFitment listed for multiple Audi A6, A7, S6, and S7 applications\u003c\/li\u003e\n\u003cli\u003eOE reference notes included for select model years\u003c\/li\u003e\n\u003cli\u003ePart number E1709L for identification and ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eHengst E1709L is an engine air filter designed for Audi models that use the HEZ filter specification. The fitment data covers Audi A6 allroad, A6 Quattro, A7 Sportback, S6, and S7 Sportback applications across 2019-2025 model years, with some rows tied to OE number 4K0 133 844 D and date-specific notes. If you are servicing an Audi A6 Quattro, Audi A7 Sportback, or related model, verify the OE reference and production date shown in the fitment table before ordering.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestricted airflow caused by a loaded engine air filter\u003c\/li\u003e\n\u003cli\u003eRoutine filter replacement for scheduled maintenance\u003c\/li\u003e\n\u003cli\u003eIncorrect part selection when OE reference numbers are required\u003c\/li\u003e\n\u003cli\u003eFitment matching for Audi models with date-specific application notes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the vehicle year, model, and OE reference note in the fitment table before installation. For 2020 and 2022 applications, review the date restrictions shown in the notes field, and for 2021-2022 applications, confirm OE No. 4K0 133 844 D where listed. Part number E1709L should be matched to the vehicle’s air filter specification before service begins.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eHengst is a recognized filtration brand, and the HEZ Engine Air Filter line is cataloged with application-specific fitment details to support accurate replacement selection. Part number E1709L is listed with OE reference information for select Audi applications.\u003c\/p\u003e","brand":"Hengst","offers":[{"title":"Default Title","offer_id":53580548898997,"sku":"CMKR-E1709L","price":47.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HG_E1709L_FRO.jpg?v=1792651751","url":"https:\/\/www.partcatalog.com\/products\/hengst-e1709l-engine-air-filter","provider":"PartCatalog","version":"1.0","type":"link"}