{"product_id":"bosch-13644-oxygen-sensor","title":"Bosch 13644 Oxygen Sensor - Downstream","description":"\u003ch2\u003eReliable Oxygen Sensor for Lexus IS300 Emission Control\u003c\/h2\u003e\u003cp\u003eThe Bosch Engineered Oxygen Sensor 13644 is designed specifically for the Lexus IS300, ensuring precise air-fuel mixture readings to optimize engine performance and reduce emissions. This narrow-band heated oxygen sensor offers a direct fit replacement with durable construction and integrated wiring harness for straightforward installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecific fit for Lexus IS300 models\u003c\/li\u003e\n\u003cli\u003eHeated narrow-band oxygen sensor for accurate emissions control\u003c\/li\u003e\n\u003cli\u003e33.7-inch wiring harness length with 4 wires and blade terminals\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18 mm thread diameter and 22 mm hex size\u003c\/li\u003e\n\u003cli\u003eDurable metal housing finished in steel for long-lasting use\u003c\/li\u003e\n\u003cli\u003eIncludes wiring harness with male rectangular connector\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Bosch Engineered Oxygen Sensor Line\u003c\/h2\u003e\u003cp\u003eThe Bosch Engineered Oxygen Sensor line focuses on delivering precise sensor technology tailored to specific vehicle applications. This product line emphasizes compatibility and quality, providing sensors that meet OEM specifications for fit and function. The 13644 oxygen sensor is part of this line, engineered to maintain optimal engine efficiency and emissions compliance for the Lexus IS300.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level readings. The sensor includes a 33.7-inch wiring harness with four wires and blade-type terminals, ensuring secure electrical connections. The connector is a male rectangular type with four terminals, matching the original equipment configuration. The sensor mounts via a threaded 18 mm diameter fitting and uses a 22 mm hex size for installation. Constructed with a metal housing finished in steel, it offers durability under harsh engine conditions. The overall length of the sensor is 37 inches, with a sealing surface to connector length of 35.8 inches, facilitating proper fitment in the exhaust system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for Lexus IS300\u003c\/li\u003e\n\u003cli\u003eHelps resolve engine performance issues related to faulty oxygen sensors\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003eEliminates check engine light triggers caused by sensor failure\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by providing correct sensor data to the ECU\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation requires removing the old oxygen sensor and threading the Bosch 13644 sensor into the exhaust port. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. The sensor’s heated design allows for quicker activation, but verify electrical connections match the original sensor’s male rectangular connector with four terminals. No mounting bracket is included, so use the existing mounting points on the vehicle.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Bosch Engineered Oxygen Sensor 13644 is manufactured to meet OEM standards for fit, form, and function. It is constructed with high-quality materials including a metal housing and durable wiring harness. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or the product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44520463990965,"sku":"BBHK-13644","price":74.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_13644_Fro_4c14c35e-d6db-4443-82ae-4cc9582c74b0.jpg?v=1775059334","url":"https:\/\/www.partcatalog.com\/products\/bosch-13644-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}