{"product_id":"ntk-25735-oxygen-sensor-downstream","title":"NTK 25735 Oxygen Sensor - Downstream","description":"\u003ch2\u003eDirect-Fit Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eNTK 25735 is a direct-fit heated oxygen sensor built for specific applications and threaded mounting. It is engineered for downstream use and uses a 4-wire design with a 14.7500 wiring harness length and 18.000 thread diameter.\u003c\/p\u003e\u003cp\u003eAs part of NTK's Direct Fit Oxygen Sensor line, this sensor is built to match OE-style fit, form, and function. NTK 25735 is a practical replacement choice for BMW X3 and BMW 528i applications that require a downstream oxygen sensor with the listed connector and thread specifications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect-fit, specific application oxygen sensor\u003c\/li\u003e\n\u003cli\u003eHeated sensor design for emissions system feedback\u003c\/li\u003e\n\u003cli\u003e4-wire configuration with threaded mounting\u003c\/li\u003e\n\u003cli\u003e14.7500 wiring harness length\u003c\/li\u003e\n\u003cli\u003e18.000 thread diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2010-2012 BMW X3, Downstream. Cyls. 4-6; B2S2; OE Equivalent Design; Direct Fit Oxygen Sensor.\u003c\/li\u003e\n\u003cli\u003eFits 2011 BMW 528i, Downstream. Cyls. 4-6; B2S2; OE Equivalent Design; Direct Fit Oxygen Sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFault codes related to downstream oxygen sensor performance\u003c\/li\u003e\n\u003cli\u003eIncorrect air-fuel feedback from a worn sensor\u003c\/li\u003e\n\u003cli\u003eEmissions monitoring issues tied to sensor response\u003c\/li\u003e\n\u003cli\u003eConnector or fitment mismatch on specific applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eUse the listed fitment details to confirm the correct downstream application before installation. Verify the threaded mounting style, wire count, harness length, and thread diameter against the original sensor. This part cross-references Bosch 16218 and DENSO Auto Parts 234-4478 for the same application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNTK is a major original equipment oxygen sensor supplier, and this sensor is manufactured and tested to meet or exceed OE specifications for quality and reliability.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731443212469,"sku":"BFPZ-25735","price":89.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25735_Fro.jpg?v=1794296873","url":"https:\/\/www.partcatalog.com\/products\/ntk-25735-oxygen-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}