{"product_id":"ntk-21061-oxygen-sensor","title":"NTK 21061 Oxygen Sensor - Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of NTK Direct Fit Oxygen Sensor 21061\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 21061 is designed for precise emission control in select GM vehicles. This heated oxygen sensor offers a specific fit for Cadillac CTS, Chevrolet Silverado 3500 HD, GMC Sierra 3500 HD, and Hummer H2 models, ensuring reliable performance and accurate readings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Cadillac CTS, Chevrolet Silverado 3500 HD, GMC Sierra 3500 HD, and Hummer H2\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18mm thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire design for enhanced signal accuracy\u003c\/li\u003e\n\u003cli\u003e21.75-inch wiring harness length for optimal installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails on the Direct Fit Oxygen Sensor Line\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor line is engineered to provide exact replacement sensors tailored to specific vehicle applications. This product line focuses on delivering sensors that match OEM specifications, including wiring harness length, thread size, and connector type. The 21061 sensor maintains these standards to ensure compatibility and ease of installation in the designated GM models.\u003c\/p\u003e\u003ch2\u003eProduct Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor features a heated element to reduce warm-up time, improving fuel efficiency and emissions control. The 18mm threaded mounting type allows for secure installation in the exhaust system. With four wires, the sensor supports both the heating element and signal transmission, enhancing sensor accuracy. The 21.75-inch wiring harness length provides sufficient reach for proper connection without excess slack.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for engine control units\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring proper combustion monitoring\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by maintaining optimal sensor function\u003c\/li\u003e\n\u003cli\u003ePrevents drivability problems caused by faulty oxygen sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the NTK 21061 oxygen sensor, ensure the vehicle is compatible with this specific part number. The threaded mounting requires proper torque to avoid damage. Verify the wiring harness length and connector match the vehicle’s factory setup. It is recommended to use anti-seize compound on the threads to facilitate future removal.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK oxygen sensors are manufactured to meet strict quality standards for durability and performance. The Direct Fit Oxygen Sensor 21061 undergoes rigorous testing to ensure reliable operation in the specified Cadillac, Chevrolet, GMC, and Hummer models. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":43961897353397,"sku":"BFPZ-21061","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_21061_Fro.jpg?v=1775006695","url":"https:\/\/www.partcatalog.com\/products\/ntk-21061-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}