{"product_id":"ntk-21510-oxygen-sensor-downstream-left","title":"NTK 21510 Oxygen Sensor - Downstream Left","description":"\u003ch2\u003eOverview of NTK Direct Fit Oxygen Sensor 21510\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 21510 is engineered for precise emission control in select Chevrolet and GMC trucks. Designed as a heated oxygen sensor with a specific fitment, it ensures accurate air-fuel mixture readings for optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fitment for Chevrolet and GMC truck models\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18mm thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire configuration for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003e21.75-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis NTK oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission control efficiency. The sensor is designed with a threaded mounting type and an 18mm thread diameter, ensuring secure and proper installation in compatible vehicles. With four wires, this sensor supports both the heater circuit and signal output, providing accurate data to the engine control unit. The wiring harness length of 21.75 inches offers sufficient reach for installation without excess slack.\u003c\/p\u003e\u003ch2\u003eAbout the Direct Fit Oxygen Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor line is tailored to provide exact replacement sensors that match OEM specifications. This product line focuses on delivering sensors with precise fitment and reliable performance for specific vehicle applications. The 21510 part number is part of this line, designed to meet the emission control requirements of Chevrolet and GMC trucks, ensuring compatibility and ease of installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Sierra 1500, 1500 HD, 2500, 2500 HD, 3500\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 1500 HD, 2500, 2500 HD, 3500\u003c\/li\u003e\n\u003cli\u003eChevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500, 1500 HD, 2500, 2500 HD, 3500\u003c\/li\u003e\n\u003cli\u003eGMC Yukon XL 1500, 2500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIssues Addressed by NTK Oxygen Sensor 21510\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 problems 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\u003eEnsure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use an oxygen sensor socket or appropriate tool to remove and install the sensor. Verify the wiring harness length of 21.75 inches is sufficient for your vehicle’s routing. Confirm the 18mm threaded mounting matches the original sensor to prevent leaks or improper fit. Follow vehicle-specific torque specifications when tightening the sensor.\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 21510 undergoes rigorous testing to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the supplier or manufacturer.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":51926780641461,"sku":"BFPZ-21510","price":56.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_21510_Fro.jpg?v=1775006698","url":"https:\/\/www.partcatalog.com\/products\/ntk-21510-oxygen-sensor-downstream-left","provider":"PartCatalog","version":"1.0","type":"link"}