{"product_id":"denso-234-4401-oxygen-sensor","title":"Denso 234-4401 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4401\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4401 is designed for specific fitment in Ford, Lincoln, Mazda, and Mercury vehicles. This heated oxygen sensor features a threaded mounting type and a 4-wire configuration, ensuring precise emissions control and optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor with 4 wires for accurate readings\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 0.708-inch thread diameter\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Ford, Lincoln, Mazda, and Mercury models\u003c\/li\u003e\n\u003cli\u003e11.02-inch wiring harness length with male connector\u003c\/li\u003e\n\u003cli\u003ePart number 234-4401 from Denso's OE Style product line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Denso 234-4401 oxygen sensor is a heated sensor designed to provide fast and accurate feedback to the engine control unit (ECU). Its 4-wire design includes two wires for the heating element and two for the sensor signal, which helps maintain optimal sensor temperature for reliable operation. The sensor’s threaded mounting type with a 0.708-inch diameter ensures secure installation in the exhaust system. The wiring harness length of 11.02 inches and male connector design facilitate proper connection and fitment in the specified vehicles.\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 meet original equipment specifications for fit, form, and function. This ensures that the 234-4401 sensor integrates seamlessly with the vehicle’s existing systems, providing consistent emissions control and engine efficiency comparable to factory-installed parts.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord F-150, Explorer, Ranger, Expedition, E-150, E-250, E-350\u003c\/li\u003e\n\u003cli\u003eLincoln Navigator, Mark LT, Mountaineer\u003c\/li\u003e\n\u003cli\u003eMazda B2300, B3000\u003c\/li\u003e\n\u003cli\u003eMercury Mountaineer, Freestar, Windstar\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is commonly used to address issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy due to incorrect air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eIncreased emissions and failed emissions tests\u003c\/li\u003e\n\u003cli\u003eEngine performance problems like rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eSensor heater circuit malfunctions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4401 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 thread size and connector type match the vehicle’s specifications. Avoid damaging the wiring harness during installation and confirm the sensor is securely threaded to prevent exhaust leaks.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso oxygen sensors, including the 234-4401, are manufactured to meet strict quality standards and original equipment specifications. This part is designed for durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the distributor or vehicle manufacturer, as they may vary.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43976959557813,"sku":"BBNF-234-4401","price":46.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344401_Fro_ef1710c3-c0aa-43ef-9fd8-568da1f97939.jpg?v=1775007334","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4401-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}