{"product_id":"denso-234-4945-oxygen-sensor","title":"Denso 234-4945 Oxygen Sensor - Downstream, Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4945\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4945 is designed specifically for select Lexus models, including the GS350, GS450h, GS F, IS250, IS300, IS350, IS500, RC300, RC350, and RC F. This heated oxygen sensor features a 22.83-inch wiring harness and four wires, ensuring precise emissions control and optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster activation and accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fitment for Lexus GS and IS series, as well as RC models\u003c\/li\u003e\n\u003cli\u003e22.83-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003eFour-wire design for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003ePart number 234-4945 for exact replacement compatibility\u003c\/li\u003e\n\u003c\/ul\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 meet original equipment specifications. This ensures that the 234-4945 sensor maintains the performance and durability expected from factory-installed parts. The OE Style sensors are engineered to provide consistent emissions monitoring and support the vehicle’s onboard diagnostics system effectively.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Denso 234-4945 oxygen sensor is a heated sensor designed to quickly reach operating temperature, which improves fuel efficiency and reduces emissions. Its four-wire configuration allows for both sensor heating and accurate oxygen level measurement. The 22.83-inch wiring harness length is tailored to fit the specific routing requirements of compatible Lexus models, ensuring a secure and proper connection. This sensor is a direct replacement part, engineered to match the original sensor’s performance and fitment precisely.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps resolve check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing accurate air-fuel mixture data\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by ensuring proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003eAddresses rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emissions testing requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4945 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector match the original sensor to prevent installation issues. It is recommended to apply anti-seize compound on the sensor threads if not pre-coated, but avoid contaminating the sensor tip. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This ensures reliable performance and durability under normal operating conditions. The 234-4945 part is backed by Denso’s quality assurance processes, providing confidence in its fitment and function for compatible Lexus GS, IS, and RC models.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43978741153973,"sku":"BBNF-234-4945","price":84.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344945_Fro.jpg?v=1775007434","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4945-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}