{"product_id":"bosch-15418-oxygen-sensor","title":"Bosch 15418 Oxygen Sensor - Downstream Left, Downstream Right or Upstream","description":"\u003ch2\u003eOverview of Bosch Engineered Oxygen Sensor 15418\u003c\/h2\u003e\u003cp\u003eThe Bosch Engineered Oxygen Sensor 15418 is designed specifically for Toyota 4Runner and Tundra models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Toyota 4Runner and Tundra vehicles\u003c\/li\u003e\n\u003cli\u003eStandard replacement narrow-band heated oxygen sensor\u003c\/li\u003e\n\u003cli\u003e12-inch wiring harness with 4 wires and blade terminals\u003c\/li\u003e\n\u003cli\u003eFlange mounting type with 18 mm thread diameter\u003c\/li\u003e\n\u003cli\u003eDurable metal housing with steel finish\u003c\/li\u003e\n\u003cli\u003eConnector features a rectangular shape with male terminals\u003c\/li\u003e\n\u003cli\u003eOverall length of 15.7 inches for precise fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Bosch Engineered Oxygen Sensor 15418 is a specific fit part designed to replace the original oxygen sensor in Toyota 4Runner and Tundra models. It features a 12-inch wiring harness with four wires and blade-type terminals, ensuring secure electrical connections. The sensor is a narrow-band heated type, which helps the engine control module maintain the correct air-fuel ratio by providing accurate oxygen level readings. The sensor mounts via a flange with an 18 mm thread diameter and a 22 mm hex size for installation using standard tools. The metal housing and steel finish provide durability and resistance to harsh engine conditions. The connector is male with a rectangular shape, designed to match factory wiring harnesses for a seamless replacement.\u003c\/p\u003e\u003ch2\u003eAbout the Bosch Engineered Oxygen Sensor Line\u003c\/h2\u003e\u003cp\u003eThe Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components engineered to meet or exceed OEM specifications. This product line emphasizes precise fitment and consistent sensor performance, which is critical for maintaining vehicle emissions compliance and engine efficiency. The 15418 sensor is part of this line, offering a standard replacement option tailored for specific Toyota models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper air-fuel mixture control in Toyota 4Runner and Tundra\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by providing accurate exhaust gas data\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring correct sensor feedback to the engine control unit\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Bosch Engineered Oxygen Sensor 15418, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match the factory setup to prevent electrical issues. Do not reuse old mounting hardware if damaged, and avoid over-tightening the sensor to prevent thread damage. Confirm the sensor is securely mounted with the flange for proper sealing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is manufactured by Bosch, a recognized supplier of automotive components with strict quality control standards. The sensor meets OEM specifications for fit, form, and function. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors. Refer to Bosch or the vehicle manufacturer for exact warranty coverage.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":44520531099829,"sku":"BBHK-15418","price":76.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_15418_Fro.jpg?v=1775059414","url":"https:\/\/www.partcatalog.com\/products\/bosch-15418-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}