{"product_id":"ntk-21536-oxygen-sensor-downstream","title":"NTK 21536 Oxygen Sensor - Downstream","description":"\u003ch2\u003eDirect Fit Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eNTK Oxygen Sensor 21536 is a specific-fit, heated oxygen sensor built for direct replacement applications. It uses a threaded mounting design with a 4-wire configuration and a 72.75-inch harness for the listed downstream applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster operating response.\u003c\/li\u003e\n\u003cli\u003eSpecific-fit design for direct replacement use.\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18 mm thread diameter.\u003c\/li\u003e\n\u003cli\u003e4-wire construction with 72.75-inch wiring harness.\u003c\/li\u003e\n\u003cli\u003eNTK 21536 is engineered for OE-style fit, form, and function.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNTK 21536 is a direct fit oxygen sensor from the Direct Fit Oxygen Sensor line, built for emission control service where accurate exhaust feedback is required. As a heated sensor, it is designed to reach operating temperature quickly and maintain consistent signal performance in the listed applications. This part number, 21536, is specified for 1996 Chevrolet Beretta and 1996 Chevrolet Corsica downstream positions. NTK 21536 also cross-references Bosch 13450 for the same application.\u003c\/p\u003e\u003cp\u003eNTK is known for oxygen sensor manufacturing across import and domestic coverage, and this sensor is manufactured and tested to meet OE-level expectations for fit and reliability. The threaded design and specific-fit configuration support straightforward replacement in the correct application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a failed downstream oxygen sensor.\u003c\/li\u003e\n\u003cli\u003eRestoring exhaust feedback for fuel control systems.\u003c\/li\u003e\n\u003cli\u003eAddressing check engine light concerns tied to sensor performance.\u003c\/li\u003e\n\u003cli\u003eCorrecting drivability issues caused by inaccurate oxygen readings.\u003c\/li\u003e\n\u003cli\u003eServicing emission control faults on the listed Chevrolet applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the connector, thread size, and harness length against the original sensor before installation. This part is a specific-fit oxygen sensor for the listed downstream applications, so confirm vehicle coverage by year, make, model, and position before ordering. Use proper exhaust sensor service procedures to avoid damage to the sensing element or wiring.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNTK states that its oxygen sensors are extensively tested during manufacturing to meet or exceed OE specifications. The brand also draws on original equipment oxygen sensor manufacturing experience to support fit and reliability in service.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731383378101,"sku":"BFPZ-21536","price":78.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_21536_Fro.jpg?v=1794294482","url":"https:\/\/www.partcatalog.com\/products\/ntk-21536-oxygen-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}