{"product_id":"ntk-21055-oxygen-sensor","title":"NTK 21055 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of NTK Direct Fit Oxygen Sensor 21055\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 21055 is designed specifically for Chevrolet Malibu models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 9.75-inch wiring harness for straightforward installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Chevrolet Malibu vehicles\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18mm thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire configuration for accurate signal transmission\u003c\/li\u003e\n\u003cli\u003e9.75-inch wiring harness length for optimal routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit Oxygen Sensor 21055 belongs to the Direct Fit Oxygen Sensor product line, which focuses on providing vehicle-specific sensors engineered to match OEM specifications. This ensures compatibility and reliable performance without the need for modifications. The heated sensor type accelerates the sensor's warm-up time, improving fuel efficiency and reducing emissions sooner after engine start. With a wire quantity of four, this sensor supports both the heater circuit and signal output, maintaining accurate oxygen level readings. The 18mm threaded mounting type allows for secure installation in the exhaust system, while the 9.75-inch wiring harness length offers sufficient reach for proper connection within the engine bay.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain optimal air-fuel mixture for Chevrolet Malibu engines\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing accurate oxygen level data\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by ensuring proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues caused by faulty sensor readings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Chevrolet Malibu models before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools for removing the old sensor and installing the new one\u003c\/li\u003e\n\u003cli\u003eCheck the wiring harness length of 9.75 inches to confirm fitment in the engine bay\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound on the threaded portion if recommended by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eVerify sensor connector is securely attached to avoid signal interruptions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The Direct Fit Oxygen Sensor 21055 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":43961891651765,"sku":"BFPZ-21055","price":53.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_21055_Fro.jpg?v=1775006694","url":"https:\/\/www.partcatalog.com\/products\/ntk-21055-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}