{"product_id":"ntk-24316-air-fuel-ratio-sensor","title":"NTK 24316 Air \/ Fuel Ratio Sensor - Upstream, Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of NTK Direct Fit 5-Wire A\/F Sensor 24316\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit 5-Wire Air\/Fuel Ratio Sensor 24316 is designed for precise air-fuel mixture monitoring in select BMW and Buick models. This heated sensor ensures accurate emissions control and engine performance by providing real-time data to the vehicle's engine management system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for BMW 545i, 645Ci, 745i, 745Li, X5 and Buick Allure, LaCrosse, Rendezvous\u003c\/li\u003e\n\u003cli\u003e5-wire configuration for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003e23.5-inch wiring harness length for direct fit installation\u003c\/li\u003e\n\u003cli\u003eThread diameter of 18.0 mm and thread length of 0.38 inches\u003c\/li\u003e\n\u003cli\u003eNo mounting bracket included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit 5-Wire A\/F Sensor 24316 is engineered to meet the exact specifications of certain BMW and Buick vehicles, including the BMW 545i, 645Ci, 745i, 745Li, and X5, as well as Buick Allure, LaCrosse, and Rendezvous models. This sensor features a heated element that allows it to reach optimal operating temperature quickly, improving the accuracy of air-fuel ratio readings. The 5-wire design supports stable and precise signal output, essential for maintaining proper engine combustion and emissions control.\u003c\/p\u003e\u003cp\u003eThe wiring harness length of 23.5 inches provides a direct fit installation without the need for extensions or modifications. The sensor’s thread diameter of 18.0 mm and thread length of 0.38 inches ensure compatibility with the factory mounting points. While this sensor does not include a mounting bracket, it is designed for straightforward replacement in vehicles specified by the fitment list.\u003c\/p\u003e\u003ch2\u003eAbout the Direct Fit 5-Wire A\/F Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe NTK Direct Fit 5-Wire A\/F Sensor product line focuses on providing vehicle-specific air\/fuel ratio sensors that simplify installation and maintain OEM-level performance. This line is tailored to deliver precise sensor readings through a 5-wire heated sensor design, which supports quicker warm-up times and consistent data output. The Direct Fit designation means these sensors are engineered to match the original equipment specifications for wiring harness length, thread size, and fitment, reducing installation complexity for professional technicians and DIY mechanics alike.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air\/fuel ratio readings for improved engine efficiency\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light codes related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper fuel mixture control\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by maintaining optimal combustion\u003c\/li\u003e\n\u003cli\u003ePrevents drivability issues such as rough idling or hesitation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify vehicle compatibility with BMW 545i, 645Ci, 745i, 745Li, X5 or Buick Allure, LaCrosse, Rendezvous before installation\u003c\/li\u003e\n\u003cli\u003eEnsure the wiring harness length of 23.5 inches matches the factory harness routing\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damaging the 18.0 mm thread diameter during installation\u003c\/li\u003e\n\u003cli\u003eDo not reuse old mounting brackets as this sensor does not include one\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications to secure the sensor properly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNTK sensors are manufactured to meet strict quality standards for durability and performance. The Direct Fit 5-Wire A\/F Sensor 24316 undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details are not provided here, NTK typically offers coverage against defects in materials and workmanship. Consult the product packaging or NTK documentation for exact warranty terms.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":43961977602229,"sku":"BFPZ-24316","price":118.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_24316_Fro.jpg?v=1775006761","url":"https:\/\/www.partcatalog.com\/products\/ntk-24316-air-fuel-ratio-sensor","provider":"PartCatalog","version":"1.0","type":"link"}