{"product_id":"ntk-21023-oxygen-sensor","title":"NTK 21023 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of NTK Direct Fit Oxygen Sensor 21023\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 21023 is designed for precise emission control in select Buick, Chevrolet, GMC, Isuzu, Pontiac, and Saab vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for select Buick, Chevrolet, GMC, Isuzu, Pontiac, and Saab models\u003c\/li\u003e\n\u003cli\u003e12.25-inch wiring harness length for convenient installation\u003c\/li\u003e\n\u003cli\u003eFour-wire configuration for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18mm thread diameter\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 product line focuses on providing exact replacement sensors engineered to match original equipment specifications. The Direct Fit Oxygen Sensor 21023 is tailored to fit specific vehicle models, ensuring compatibility and maintaining factory performance standards without modification.\u003c\/p\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor accuracy and reducing emissions during cold starts. The 12.25-inch wiring harness length offers flexibility during installation, while the four-wire setup supports both the sensor signal and heater circuit. The sensor’s 18mm threaded mounting type ensures a secure and proper fit in the exhaust system.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThe NTK 21023 oxygen sensor is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Allure, LaCrosse\u003c\/li\u003e\n\u003cli\u003eChevrolet Impala, Colorado\u003c\/li\u003e\n\u003cli\u003eGMC Canyon, Envoy, Envoy XL, Rainier, Trailblazer, Trailblazer EXT\u003c\/li\u003e\n\u003cli\u003eIsuzu i-280, i-350, Ascender\u003c\/li\u003e\n\u003cli\u003ePontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003eSaab 9-7x\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect air-fuel mixture readings causing poor fuel economy\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor signals\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to sensor malfunction\u003c\/li\u003e\n\u003cli\u003eEngine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to sensor failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the NTK Direct Fit Oxygen Sensor 21023, ensure the vehicle is cool to avoid burns. Use proper tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length and connector match the vehicle’s original sensor to ensure a secure connection. Follow vehicle-specific service manual instructions for torque specifications and sensor location.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The Direct Fit Oxygen Sensor 21023 undergoes rigorous testing to ensure reliable operation under various driving conditions. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":43961849086133,"sku":"BFPZ-21023","price":63.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_21023_Fro_fc4ce2f0-cda9-4afe-8ab7-50967cba398e.jpg?v=1775006689","url":"https:\/\/www.partcatalog.com\/products\/ntk-21023-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}