{"product_id":"denso-234-4089-oxygen-sensor","title":"Denso 234-4089 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Denso OE Style Oxygen Sensor 234-4089\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4089 is designed specifically for Chevrolet Cavalier and Pontiac Sunfire models. This heated oxygen sensor features a threaded mounting type and a 49.21-inch wiring harness, ensuring precise fitment and reliable performance in emission control systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate emissions monitoring\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Chevrolet Cavalier and Pontiac Sunfire\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 0.708-inch thread diameter\u003c\/li\u003e\n\u003cli\u003e49.21-inch wiring harness length with 4 wires\u003c\/li\u003e\n\u003cli\u003eFemale connector for secure electrical connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Denso 234-4089 oxygen sensor is engineered to meet the exact specifications of the Chevrolet Cavalier and Pontiac Sunfire. As a heated sensor, it quickly reaches operating temperature to provide accurate oxygen level readings, which are critical for optimal engine performance and emissions control. The sensor’s 0.708-inch threaded mounting ensures a secure and proper installation, while the 49.21-inch wiring harness length offers sufficient reach for factory-style routing. Featuring a female connector and four-wire configuration, this sensor integrates seamlessly with the vehicle’s existing wiring harness.\u003c\/p\u003e\u003ch2\u003eAbout the Denso OE Style Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Style line from Denso focuses on delivering parts that match original equipment specifications for fit, form, and function. This oxygen sensor is part of that line, providing a direct replacement solution that maintains factory performance standards. The OE Style sensors are designed to meet or exceed OEM requirements, making them suitable for emission control systems in specific vehicle applications like the Chevrolet Cavalier and Pontiac Sunfire.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper air-fuel mixture readings for engine control\u003c\/li\u003e\n\u003cli\u003eHelps resolve check engine light codes related to oxygen sensors\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by providing accurate emissions data\u003c\/li\u003e\n\u003cli\u003eReduces harmful exhaust emissions by ensuring sensor accuracy\u003c\/li\u003e\n\u003cli\u003ePrevents drivability issues caused by faulty oxygen sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4089 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the female connector matches the vehicle’s wiring harness and confirm the wiring harness length is adequate for proper routing. Follow all torque specifications to avoid damage during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso oxygen sensors, including the 234-4089, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. This ensures reliable operation within the emission control system for Chevrolet Cavalier and Pontiac Sunfire vehicles.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43976678277301,"sku":"BBNF-234-4089","price":56.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344089_Fro.jpg?v=1775007257","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4089-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}