{"product_id":"ntk-21077-oxygen-sensor-downstream-left-or-downstream-right","title":"NTK 21077 Oxygen Sensor - Downstream Left or Downstream Right","description":"\u003ch2\u003eDirect-fit oxygen sensor\u003c\/h2\u003e\u003cp\u003eNTK 21077 is a direct-fit heated oxygen sensor built for specific applications that require threaded mounting and a 4-wire configuration. It is engineered for downstream service and is listed for Cadillac CT6, Cadillac ATS, Cadillac CTS, and Chevrolet Camaro applications.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect Fit Oxygen Sensor line for specific-fit replacement\u003c\/li\u003e\n\u003cli\u003eHeated sensor design for faster operating response\u003c\/li\u003e\n\u003cli\u003e4-wire configuration with 10.25-inch wiring harness length\u003c\/li\u003e\n\u003cli\u003e18.000 thread diameter with threaded mounting type\u003c\/li\u003e\n\u003cli\u003eNTK 21077 is manufactured to meet or exceed OE specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed description\u003c\/h2\u003e\u003cp\u003eNTK 21077 is part of NTK's Direct Fit Oxygen Sensor line, created for import and domestic emission control applications where exact-fit replacement matters. As an oxygen sensor for downstream use, it supports closed-loop exhaust monitoring on compatible Cadillac CT6, Cadillac ATS, Cadillac CTS, and Chevrolet Camaro models. The heated design and specific-fit construction help maintain proper sensor response and simplify replacement on the listed applications. NTK 21077 cross-references 12666671 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 downstream oxygen sensor\u003c\/li\u003e\n\u003cli\u003eAddressing oxygen sensor fault codes related to exhaust monitoring\u003c\/li\u003e\n\u003cli\u003eRestoring proper air-fuel feedback on listed applications\u003c\/li\u003e\n\u003cli\u003eCorrecting drivability issues tied to inaccurate exhaust readings\u003c\/li\u003e\n\u003cli\u003eServicing a threaded, direct-fit sensor location with OE-style dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and tips\u003c\/h2\u003e\u003cp\u003eVerify the downstream left or downstream right position before ordering, since fitment varies by application. Confirm the 4-wire connector style, threaded mounting, and harness length against the original sensor. Use the vehicle-specific fitment listing for Cadillac CT6, Cadillac ATS, Cadillac CTS, and Chevrolet Camaro applications to match the correct location. NTK 21077 is a specific-fit replacement, so no universal adaptation should be assumed.\u003c\/p\u003e\u003ch2\u003eQuality assurance\u003c\/h2\u003e\u003cp\u003eNTK is part of the NGK family of products and is a major original equipment oxygen sensor supplier. Each sensor is extensively tested during manufacturing to support quality and reliability that meet or exceed OE specifications. Part number 21077 is backed by NTK's OE-focused manufacturing approach.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731382165685,"sku":"BFPZ-21077","price":46.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_21077_Fro.jpg?v=1794294329","url":"https:\/\/www.partcatalog.com\/products\/ntk-21077-oxygen-sensor-downstream-left-or-downstream-right","provider":"PartCatalog","version":"1.0","type":"link"}