{"product_id":"denso-234-4521-oxygen-sensor","title":"Denso 234-4521 Oxygen Sensor - Downstream, Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4521\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4521 is designed specifically for select Lexus models, including the GS350, GS430, GS450h, IS250, IS350, and IS F. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster activation and improved efficiency\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Lexus GS and IS series models\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 0.708-inch thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire design with a male connector for secure electrical connection\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 21.65 inches for proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Denso oxygen sensor features a heated sensor type that allows it to reach operating temperature quickly, reducing emissions during cold starts. The sensor is designed with a threaded mounting type and a 0.708-inch thread diameter, ensuring a secure and precise fit in the exhaust system. The four-wire configuration includes a male connector, providing reliable electrical connectivity. With a wiring harness length of 21.65 inches, this sensor accommodates the specific routing requirements of the Lexus GS350, GS430, GS450h, IS250, IS350, and IS F models.\u003c\/p\u003e\u003ch2\u003eAbout the Denso OE Style Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Style product line from Denso focuses on delivering parts that match original equipment specifications closely. This oxygen sensor is engineered to meet the exact fit and function requirements of the original sensor installed in compatible Lexus vehicles. The OE Style line emphasizes quality and compatibility, making it a suitable replacement part for maintaining factory performance standards.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for improved fuel efficiency\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper catalytic converter operation\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003ePrevents failed emissions tests due to sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4521 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the wiring harness length of 21.65 inches is sufficient for your vehicle’s routing. Confirm the male connector matches the vehicle’s wiring harness for a secure connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style 234-4521 sensor is designed to provide reliable operation consistent with original equipment. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43977037381813,"sku":"BBNF-234-4521","price":91.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344521_Fro.jpg?v=1775007359","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4521-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}