{"product_id":"denso-234-4821-oxygen-sensor","title":"Denso 234-4821 Oxygen Sensor - Downstream or Upstream","description":"\u003ch2\u003eReliable Oxygen Sensor for Select GM and Saab Models\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4821 is designed to provide precise emissions control for specific Buick, Cadillac, Chevrolet, Pontiac, Saab, and Saturn vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and reduce emissions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for select Buick, Cadillac, Chevrolet, Pontiac, Saab, and Saturn models\u003c\/li\u003e\n\u003cli\u003e15.79-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003eFour-wire design with female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type with 0.708-inch thread diameter\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 offers direct replacement parts engineered to meet original equipment specifications. The 234-4821 oxygen sensor is part of this line, ensuring compatibility and reliable performance for vehicles requiring a specific fit. This product line focuses on delivering components that match factory standards for fit, form, and function.\u003c\/p\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor features a heated element to reduce warm-up time, improving sensor accuracy shortly after engine start. The 15.79-inch wiring harness length allows for proper routing and connection within the engine bay. With four wires and a female connector, the sensor integrates seamlessly with the vehicle’s existing wiring harness. The threaded mounting type with a 0.708-inch diameter ensures a secure and leak-free installation.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick Rendezvous, Encore, and Vue\u003c\/li\u003e\n\u003cli\u003eCadillac CTS and SRX\u003c\/li\u003e\n\u003cli\u003eChevrolet G8 and Express 2500\u003c\/li\u003e\n\u003cli\u003ePontiac G8\u003c\/li\u003e\n\u003cli\u003eSaab 9-3, 9-4X, and 9-5\u003c\/li\u003e\n\u003cli\u003eSaturn Vue\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\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 hesitation or rough idling\u003c\/li\u003e\n\u003cli\u003eReduced engine performance and drivability issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the engine is cool before removing the old oxygen sensor to avoid burns. Use a proper oxygen sensor socket for removal and installation to prevent damage. Verify the connector gender and wire count match the vehicle’s harness before installation. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications.\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. The 234-4821 part number undergoes rigorous testing to ensure durability and reliable performance. Warranty coverage details should be confirmed with the supplier or manufacturer.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43977557246133,"sku":"BBNF-234-4821","price":74.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344821_Fro.jpg?v=1775007421","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4821-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}