{"product_id":"ntk-25552-oxygen-sensor-downstream-left-or-downstream-right","title":"NTK 25552 Oxygen Sensor - Downstream Left or Downstream Right","description":"\u003ch2\u003eDirect Fit Oxygen Sensor for Audi and Volkswagen\u003c\/h2\u003e\u003cp\u003eNTK 25552 is a direct fit heated oxygen sensor built for specific downstream applications. It uses a threaded mounting design and a 4-wire configuration to match the original sensor layout on supported Audi and Volkswagen models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect fit oxygen sensor for specific applications\u003c\/li\u003e\n\u003cli\u003eHeated sensor design for faster operating response\u003c\/li\u003e\n\u003cli\u003e4-wire construction with threaded mounting\u003c\/li\u003e\n\u003cli\u003e68-inch wiring harness length\u003c\/li\u003e\n\u003cli\u003e18 mm thread diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment and Application Details\u003c\/h2\u003e\u003cp\u003eCompatible with 1996-1999 Audi A4, downstream right and downstream left; 1996-1999 Audi A4 Quattro, downstream right and downstream left; 1998-1999 Audi A6, downstream right and downstream left; 1998-1999 Audi A6 Quattro, downstream right and downstream left; and 1998-2000 Volkswagen Passat, downstream right and downstream left. This part number, 25552, is also referenced for OE-style replacement applications across these vehicles.\u003c\/p\u003e\u003cp\u003eNTK’s Direct Fit Oxygen Sensor line is built to streamline coverage while maintaining OE-style fit, form, and function. As part of the NGK family, NTK applies ceramic manufacturing expertise and production testing to support consistent sensor performance across import and domestic applications.\u003c\/p\u003e\u003ch2\u003eWhat This Sensor Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFaulty oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003eCheck engine light concerns related to sensor performance\u003c\/li\u003e\n\u003cli\u003eSlow sensor response from a worn heated sensor\u003c\/li\u003e\n\u003cli\u003eIncorrect air-fuel feedback from a failing downstream sensor\u003c\/li\u003e\n\u003cli\u003eFitment issues caused by a non-specific replacement part\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Quality\u003c\/h2\u003e\u003cp\u003eVerify the connector style, wire count, thread diameter, and downstream position before installation. Confirm the vehicle build details for 1998 Audi A6 and A6 Quattro applications, which use a serial-number-specific fitment note. NTK 25552 is extensively tested during manufacturing to meet or exceed OE specifications for quality and reliability.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731437969589,"sku":"BFPZ-25552","price":103.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25552_Fro.jpg?v=1794296295","url":"https:\/\/www.partcatalog.com\/products\/ntk-25552-oxygen-sensor-downstream-left-or-downstream-right","provider":"PartCatalog","version":"1.0","type":"link"}