{"product_id":"ntk-25260-oxygen-sensor-downstream-right","title":"NTK 25260 Oxygen Sensor - Downstream Right","description":"\u003ch2\u003eDirect-Fit Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe NTK 25260 is a direct-fit oxygen sensor built for specific applications and engineered to restore accurate exhaust feedback to the engine control system. It uses a heated, narrow-band switching zirconia design with a 4-wire blade-terminal layout and an oval female connector for a precise replacement match.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit replacement oxygen sensor for specific applications\u003c\/li\u003e\n\u003cli\u003eHeated narrow-band switching zirconia design\u003c\/li\u003e\n\u003cli\u003e4-wire configuration with blade terminals\u003c\/li\u003e\n\u003cli\u003eOval female connector and threaded M18 x 1.5 mounting\u003c\/li\u003e\n\u003cli\u003e7\/8 in. (22 mm) hex and wrench size\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade from NTK, part number 25260\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNTK 25260 is a specific-fit oxygen sensor that provides closed-loop feedback to the ECU so the engine can maintain the correct air-fuel ratio and monitor emissions-related performance. As an OE-focused sensor from NTK, part number 25260 uses a heated narrow-band switching zirconia element, 4 terminals, and a threaded mount for direct replacement service. This part cross-references DENSO Auto Parts (e.g., 234-4991) for the same application.\u003c\/p\u003e\u003cp\u003eCompatible with 2018-2019 Audi Q7, downstream right. The fitment data identifies this sensor for the downstream right position on those model years, making it a targeted replacement for the Audi Q7 application listed here.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a failed oxygen sensor that triggers diagnostic trouble codes\u003c\/li\u003e\n\u003cli\u003eRestoring accurate air-fuel ratio feedback to the ECU\u003c\/li\u003e\n\u003cli\u003eAddressing poor fuel control caused by an aging sensor element\u003c\/li\u003e\n\u003cli\u003eSupporting emissions monitoring when catalyst efficiency data is being evaluated\u003c\/li\u003e\n\u003cli\u003eCorrecting drivability issues tied to inaccurate exhaust oxygen readings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the connector shape, terminal count, thread size, and heated sensor configuration before installation. Use the listed wrench size and hex size to confirm tool access, and match the downstream right application exactly for the Audi Q7. The part number 25260 should be checked against the original sensor and vehicle service information before replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNTK is a major OEM oxygen sensor supplier with OE application technology and in-house ceramic element control from raw material through finished sensor production.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53621586231477,"sku":"BFPZ-25260","price":91.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25260_Fro.jpg?v=1793168170","url":"https:\/\/www.partcatalog.com\/products\/ntk-25260-oxygen-sensor-downstream-right","provider":"PartCatalog","version":"1.0","type":"link"}