{"product_id":"ntk-25764-oxygen-sensor-downstream","title":"NTK 25764 Oxygen Sensor - Downstream","description":"\u003ch2\u003eDirect Fit Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe NTK 25764 is a direct fit heated oxygen sensor built for downstream applications with specific fitment. It uses a threaded mounting design and a 4-wire configuration for a precise replacement on select Audi, Porsche, and Volkswagen models.\u003c\/p\u003e\u003cp\u003eAs part of NTK's Direct Fit Oxygen Sensor line, this sensor is engineered for OE-equivalent fit, form, and function. The 20.75-inch harness length and 18 mm thread diameter support a clean installation on the listed applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for downstream exhaust monitoring\u003c\/li\u003e\n\u003cli\u003eSpecific-fit design for direct replacement applications\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e4-wire sensor configuration\u003c\/li\u003e\n\u003cli\u003e20.75-inch wiring harness length\u003c\/li\u003e\n\u003cli\u003eNTK 25764 direct fit replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNTK 25764 is an OE-equivalent downstream oxygen sensor for select Audi A4, A4 allroad, A4 Quattro, A5 Quattro, A5 Sportback, A6, A6 Quattro, Q5, and Q7 applications, plus Porsche Macan and Volkswagen Jetta coverage. It is built as a heated, threaded sensor with specific fitment to match the listed vehicle applications and restore accurate exhaust feedback in the emissions control system. The NTK 25764 part number is also referenced in cross-application listings for the same use case.\u003c\/p\u003e\u003cp\u003eNTK's Direct Fit Oxygen Sensor line focuses on application-specific coverage and OE-style replacement geometry. This sensor is manufactured with ceramic technology and tested during production to meet or exceed OE specifications, making it a practical choice for Audi A4 and Audi Q7 downstream oxygen sensor replacement needs.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFaulty downstream oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003eCheck engine light concerns related to oxygen sensor performance\u003c\/li\u003e\n\u003cli\u003eEmissions control system monitoring issues\u003c\/li\u003e\n\u003cli\u003eIncorrect air-fuel feedback from a worn sensor\u003c\/li\u003e\n\u003cli\u003eReplacement needs after sensor aging or contamination\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Quality\u003c\/h2\u003e\u003cp\u003eInstall this sensor only on the listed downstream applications and verify the correct year, model, and notes before ordering. The threaded design and specific-fit configuration are intended for direct replacement on the confirmed vehicles, including Audi A4, Audi A6, and Porsche Macan applications.\u003c\/p\u003e\u003cp\u003eNTK is a major original equipment oxygen sensor supplier, and the 25764 is extensively tested during manufacturing to support quality and reliability that meets or exceeds OE specifications. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 04E906262J, 4G0906262) for the same application.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731444981941,"sku":"BFPZ-25764","price":143.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25764_Fro.jpg?v=1794297028","url":"https:\/\/www.partcatalog.com\/products\/ntk-25764-oxygen-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}