{"product_id":"ntk-25053-oxygen-sensor-upstream","title":"NTK 25053 Oxygen Sensor - Upstream","description":"\u003ch2\u003eDirect Fit Oxygen Sensor for Mercedes-Benz\u003c\/h2\u003e\u003cp\u003eNTK 25053 is a direct fit heated oxygen sensor built for specific applications and threaded mounting. It uses a 4-wire design with a 30.2500-inch harness length and an 18.000 thread diameter for a precise replacement on the correct exhaust location.\u003c\/p\u003e\u003cp\u003eFits 1994-1995 Mercedes-Benz E320, upstream. Fits 1993 Mercedes-Benz 300CE, upstream. Fits 1993 Mercedes-Benz 300E, upstream. Fits 1993 Mercedes-Benz 300TE, upstream.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect fit design for specific applications\u003c\/li\u003e\n\u003cli\u003eHeated oxygen sensor construction for faster operating response\u003c\/li\u003e\n\u003cli\u003e4-wire configuration\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type\u003c\/li\u003e\n\u003cli\u003e30.2500-inch wiring harness length\u003c\/li\u003e\n\u003cli\u003e18.000 thread diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNTK 25053 is part of the Direct Fit Oxygen Sensor line, created to streamline replacement selection while maintaining OE-style fit, form, and function. NTK draws on its background as a major original equipment oxygen sensor supplier and uses controlled ceramic technology from raw material through finished sensor production. For Mercedes-Benz E320, 300CE, 300E, and 300TE applications, this sensor is specified for the upstream Bank 1 Sensor 1 location and supports air\/fuel ratio feedback in the exhaust stream.\u003c\/p\u003e\u003cp\u003eThis part cross-references Delphi ES10276 and DENSO Auto Parts 234-4712 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 oxygen sensor\u003c\/li\u003e\n\u003cli\u003eRestoring accurate air\/fuel ratio feedback\u003c\/li\u003e\n\u003cli\u003eAddressing sensor-related fault codes\u003c\/li\u003e\n\u003cli\u003eCorrecting poor fuel control caused by aging sensor output\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged threaded sensor or harness connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the upstream Bank 1 Sensor 1 location before installation. Match the threaded mounting style, wire count, and harness length to the original sensor. Verify connector routing and exhaust thread condition before tightening the replacement sensor.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNTK tests oxygen sensors during manufacturing to meet or exceed OE specifications for quality and reliability.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731435544757,"sku":"BFPZ-25053","price":154.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25053_Fro.jpg?v=1794296012","url":"https:\/\/www.partcatalog.com\/products\/ntk-25053-oxygen-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}