{"product_id":"ntk-24323-air-fuel-ratio-sensor-upstream","title":"NTK 24323 Air \/ Fuel Ratio Sensor - Upstream","description":"\u003ch2\u003eDirect-Fit Air\/Fuel Ratio Sensor\u003c\/h2\u003e\u003cp\u003eNTK 24323 is a specific-fit heated air\/fuel ratio sensor built for upstream applications that require a 5-wire design. It is engineered for precise signal control and OE-style fitment, with coverage for select Audi performance and luxury models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect Fit 5-Wire A\/F Sensor for specific applications\u003c\/li\u003e\n\u003cli\u003eHeated sensor design for faster operating readiness\u003c\/li\u003e\n\u003cli\u003e35.5 wiring harness length for application-specific routing\u003c\/li\u003e\n\u003cli\u003e18.000 thread diameter with 0.38 thread length\u003c\/li\u003e\n\u003cli\u003eMounting bracket not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNTK 24323 is part of the Direct Fit 5-Wire A\/F Sensor line, a product line focused on application-specific replacement sensors with OE-style fit, form, and function. NTK draws on its oxygen-sensor manufacturing expertise and ceramic technology to produce sensors that meet demanding original-equipment standards. This part number is used in upstream locations on select Audi TT RS Quattro and Audi S6 applications, including Bank 1 Sensor 1 coverage where specified.\u003c\/p\u003e\u003cp\u003eFor buyers searching for an Audi TT RS Quattro upstream air\/fuel ratio sensor or an Audi S6 upstream oxygen sensor replacement, NTK 24323 provides a direct-fit solution with the correct connector and sensor configuration for the listed applications. This part cross-references Bosch (e.g., 17151, 17182) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or slow-responding upstream air\/fuel ratio sensor\u003c\/li\u003e\n\u003cli\u003eRestoring accurate exhaust feedback for engine management\u003c\/li\u003e\n\u003cli\u003eAddressing sensor fault codes related to mixture control\u003c\/li\u003e\n\u003cli\u003eCorrecting drivability issues tied to inaccurate oxygen sensing\u003c\/li\u003e\n\u003cli\u003eSupporting proper fuel trim control on listed Audi applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s year, model, engine configuration, and sensor position before ordering. This sensor is specific fit, so connector style, thread size, and harness length should match the original unit. Use the fitment notes for Bank 1 Sensor 1 and cylinder-specific coverage where listed.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNTK states that its oxygen sensors are extensively tested during manufacturing and built to meet or exceed OE specifications. The brand is part of NGK and is recognized as a major original-equipment oxygen sensor supplier.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731390259381,"sku":"BFPZ-24323","price":192.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_24323_Fro.jpg?v=1794295259","url":"https:\/\/www.partcatalog.com\/products\/ntk-24323-air-fuel-ratio-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}