{"product_id":"denso-234-4921-oxygen-sensor","title":"Denso 234-4921 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of Denso OE Style Oxygen Sensor 234-4921\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4921 is designed specifically for Toyota Corolla models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 31.57-inch wiring harness for straightforward installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for accurate exhaust gas monitoring\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Toyota Corolla vehicles\u003c\/li\u003e\n\u003cli\u003e31.57-inch wiring harness length for flexible placement\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 0.708-inch thread diameter\u003c\/li\u003e\n\u003cli\u003eFour-wire design with male connector for reliable connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Denso oxygen sensor (part number 234-4921) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The four-wire configuration supports both the sensor signal and heater circuit, enhancing durability and performance. Its 0.708-inch threaded mounting ensures a secure fit in the exhaust system, while the 31.57-inch wiring harness length allows for proper routing within the engine bay. The male connector is designed to match the original equipment specifications, facilitating a plug-and-play replacement.\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 meet original equipment specifications for fit, form, and function. This oxygen sensor is part of that line, providing a direct replacement solution for Toyota Corolla vehicles. The OE Style sensors are manufactured to match the quality and performance standards of the original sensor, ensuring consistent emission control and engine management.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel mixture control\u003c\/li\u003e\n\u003cli\u003eResolves check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing precise exhaust gas data\u003c\/li\u003e\n\u003cli\u003eReduces emissions by maintaining optimal combustion conditions\u003c\/li\u003e\n\u003cli\u003eEliminates rough idling or engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4921 oxygen sensor, ensure the vehicle is cool to avoid burns. Use a proper oxygen sensor socket to avoid damaging the sensor or wiring. Verify the connector is securely attached and routed away from hot exhaust components. This sensor is a specific fit for Toyota Corolla models, so confirm vehicle compatibility before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso manufactures this oxygen sensor to meet strict quality standards, ensuring reliable performance and durability. The OE Style line is designed to match original equipment specifications, providing confidence in fit and function. Warranty coverage details should be confirmed with the parts provider or manufacturer.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43978503651509,"sku":"BBNF-234-4921","price":78.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344921_Fro.jpg?v=1775007431","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4921-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}