{"product_id":"ntk-25758-oxygen-sensor-downstream-downstream-left-or-downstream-right","title":"NTK 25758 Oxygen Sensor - Downstream, Downstream Left or Downstream Right","description":"\u003ch2\u003eDirect-fit oxygen sensor\u003c\/h2\u003e\u003cp\u003eNTK Oxygen Sensor 25758 is a specific-fit, heated oxygen sensor built for downstream applications. It uses a threaded mounting design and a 4-wire configuration to match the original equipment style used on select Mercedes-Benz, INFINITI, and Freightliner vehicles.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect Fit Oxygen Sensor line for application-specific replacement\u003c\/li\u003e\n\u003cli\u003eHeated sensor design for faster operating response\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003e19.75-inch wiring harness length for proper routing\u003c\/li\u003e\n\u003cli\u003e4-wire construction for the specified application\u003c\/li\u003e\n\u003cli\u003eOE-equivalent design for fit, form, and function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed application overview\u003c\/h2\u003e\u003cp\u003eNTK 25758 is engineered as a downstream oxygen sensor for a wide range of import and domestic applications, including Mercedes-Benz Maybach S680, Mercedes-Benz Sprinter, and INFINITI Q50 platforms. The direct-fit design supports straightforward replacement where the original sensor uses the same threaded, heated, 4-wire layout. This part number 25758 is backed by NTK’s OE-focused sensor manufacturing and extensive production testing.\u003c\/p\u003e\u003cp\u003eNTK is part of the NGK family and is known for oxygen sensor manufacturing across import and domestic coverage. The brand’s Direct Fit Oxygen Sensor line focuses on application-specific replacement parts that match original equipment requirements for fit and function. Part number 25758 follows that approach for downstream sensor service on the listed vehicles.\u003c\/p\u003e\u003ch2\u003eCommon issues this part can 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\u003eSlow sensor response caused by age or contamination\u003c\/li\u003e\n\u003cli\u003eExhaust monitoring problems after sensor failure\u003c\/li\u003e\n\u003cli\u003eReplacement needs after wiring or heater circuit wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and quality assurance\u003c\/h2\u003e\u003cp\u003eInstall this sensor only on the exact applications listed in the fitment data. Confirm the downstream position, connector style, wire count, and thread size before installation. Use the vehicle’s service information for torque and routing details, and verify that the exhaust threads are clean before threading in the sensor.\u003c\/p\u003e\u003cp\u003eNTK states that these oxygen sensors are extensively tested during manufacturing and built to meet or exceed OE specifications. The brand also positions itself as a major original equipment oxygen sensor supplier, which supports confidence in application accuracy and reliability for part number 25758.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731444523189,"sku":"BFPZ-25758","price":120.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_25758_Fro.jpg?v=1794296989","url":"https:\/\/www.partcatalog.com\/products\/ntk-25758-oxygen-sensor-downstream-downstream-left-or-downstream-right","provider":"PartCatalog","version":"1.0","type":"link"}