{"product_id":"bosch-13859-oxygen-sensor-downstream","title":"Bosch 13859 Oxygen Sensor - Downstream","description":"\u003ch2\u003eReliable Oxygen Sensor for Kia Protege and Mazda Sephia\u003c\/h2\u003e\u003cp\u003eThe Bosch Validated Oxygen Sensor 13859 is designed specifically for Kia Protege and Mazda Sephia models. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.\u003c\/p\u003e\u003ch2\u003eKey Features of Bosch Oxygen Sensor 13859\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific fit for Kia Protege and Mazda Sephia vehicles\u003c\/li\u003e\n\u003cli\u003eHeated narrow-band oxygen sensor for precise emissions monitoring\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 18 mm thread diameter and 22 mm hex size\u003c\/li\u003e\n\u003cli\u003e4-wire design with blade terminals and a rectangular male connector\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 11.2 inches included for direct replacement\u003c\/li\u003e\n\u003cli\u003eDurable metal housing finished in steel for long-lasting use\u003c\/li\u003e\n\u003cli\u003eOverall length of 15 inches with 13.8 inches from sealing surface to connector end\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Bosch Validated Oxygen Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe Bosch Validated Oxygen Sensor line is engineered to meet strict OEM specifications, providing reliable sensor performance and compatibility. This product line focuses on delivering precise sensor readings and durability, making it suitable for emission control systems in specific vehicle applications like the Kia Protege and Mazda Sephia.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Bosch 13859 oxygen sensor is a standard replacement part designed to maintain your vehicle’s emission system efficiency. Featuring a heated narrow-band sensor type, it quickly reaches operating temperature to provide accurate oxygen level data to the engine control unit. The sensor’s 4-wire configuration with blade terminals and a rectangular male connector ensures secure electrical connections. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation. The metal housing and steel finish contribute to the sensor’s durability under harsh engine conditions. With a wiring harness length of 11.2 inches and an overall length of 15 inches, this sensor fits precisely in the designated locations on Kia Protege and Mazda Sephia models.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\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 vehicle emissions failing regulatory standards\u003c\/li\u003e\n\u003cli\u003eEngine performance problems such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests due to sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the engine is cool before removing the old oxygen sensor to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the connector type matches the vehicle’s wiring harness to prevent electrical issues. Do not overtighten the sensor; follow torque specifications for the 18 mm threaded mounting. Inspect the wiring harness for damage before installation to ensure proper sensor function.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Bosch Validated Oxygen Sensor 13859 is manufactured to meet OEM standards for fit, form, and function. Bosch provides quality assurance through rigorous testing to ensure sensor reliability and durability. Please refer to Bosch’s official warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":52215302193333,"sku":"BBHK-13859","price":118.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_13859_Fro.jpg?v=1775596568","url":"https:\/\/www.partcatalog.com\/products\/bosch-13859-oxygen-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}