{"product_id":"denso-234-4502-oxygen-sensor","title":"Denso 234-4502 Oxygen Sensor - Downstream Right","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4502\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4502 is designed specifically for select Lexus and Toyota models, including the Highlander and RX400h. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture 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 Lexus Highlander and Toyota RX400h\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 0.708 inch thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire design with female connector\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 20.67 inches for proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Denso 234-4502 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emissions control efficiency. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring reliable operation. The sensor is designed with a female connector and a threaded mounting type with a 0.708 inch thread diameter, making it compatible with the exhaust system of the Lexus Highlander and Toyota RX400h. The wiring harness length of 20.67 inches provides sufficient reach for proper installation without excess slack.\u003c\/p\u003e\u003ch2\u003eAbout the Denso OE Style Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Style line from Denso focuses on delivering oxygen sensors that match original equipment specifications for fit, form, and function. This ensures that the 234-4502 sensor integrates seamlessly with the vehicle’s existing systems, maintaining factory performance standards and emissions compliance. The OE Style sensors are engineered to meet or exceed OEM requirements, providing a direct replacement option for specific Lexus and Toyota models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\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 codes related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper catalytic converter operation\u003c\/li\u003e\n\u003cli\u003eImproves engine performance by providing precise sensor data\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and poor acceleration caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4502 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector gender matches the vehicle harness before installation. The 20.67-inch wiring harness length allows for straightforward routing without tension. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso oxygen sensors, including the 234-4502, are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style product line is designed to provide reliable operation consistent with original equipment. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43977027780789,"sku":"BBNF-234-4502","price":112.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344502_Fro.jpg?v=1775007354","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4502-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}