{"product_id":"denso-234-4258-oxygen-sensor","title":"Denso 234-4258 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4258\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4258 is designed specifically for select Chevrolet, GMC, and Hummer models. This heated oxygen sensor features a 14.80-inch wiring harness and a threaded mounting type, ensuring precise fitment and reliable performance in emission control systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster activation\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Chevrolet Silverado 1500, GMC Sierra 1500, and Hummer H2\u003c\/li\u003e\n\u003cli\u003e14.80-inch wiring harness length for optimal installation\u003c\/li\u003e\n\u003cli\u003eFour-wire design with female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 0.708-inch thread diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Denso oxygen sensor, part number 234-4258, is engineered to meet the exact specifications of your vehicle’s emission system. The heated sensor type allows for quicker warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. With a 14.80-inch wiring harness and a female connector, this sensor is designed for a direct replacement without the need for modifications. The four-wire configuration supports both the sensor signal and heater circuit, ensuring accurate oxygen level readings and proper sensor operation.\u003c\/p\u003e\u003cp\u003eThe threaded mounting type with a 0.708-inch diameter provides a secure and leak-free installation. This sensor is a specific fit for Chevrolet Silverado 1500, GMC Sierra 1500, and Hummer H2 models, ensuring compatibility and reliable performance.\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 closely match original equipment specifications. This oxygen sensor is part of that line, offering a balance of quality and fitment precision. The OE Style sensors are designed to meet or exceed OEM standards, providing a dependable solution for emission control systems in specific vehicle applications.\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\u003eResolves check engine light issues related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by providing accurate sensor data\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by ensuring correct sensor operation\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine performance problems caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4258 oxygen sensor, ensure the engine is cool to avoid burns. Use anti-seize compound on the sensor threads if not pre-applied to facilitate future removal. Verify the connector type matches the vehicle harness to avoid electrical issues. Tighten the sensor to the manufacturer’s torque specifications to prevent leaks or damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso oxygen sensors undergo rigorous testing to meet strict quality standards. The OE Style 234-4258 sensor is manufactured to provide consistent performance and durability. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, supporting long-term reliability in emission control applications.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43976825143477,"sku":"BBNF-234-4258","price":42.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344258_Fro.jpg?v=1775007297","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4258-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}