{"product_id":"azhz-oxygen-sensor-replacement-for-hyundai-accent-elantra-upstream-downstream-heated-234-4851","title":"AZHZ Oxygen Sensor Replacement for Hyundai Accent\/Elantra — Upstream \u0026 Downstream Heated 234-4851","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMeet the AZHZ 234-4851 Oxygen Sensor kit, designed to fit Hyundai Accent (2000–2011), Elantra (2001–2012), Tiburon (2003–2008), Tucson (2005–2009), and select Kia models. This kit includes both upstream and downstream heated sensors, engineered to monitor exhaust conditions with reliable performance across typical driving scenarios.\u003c\/p\u003e\u003cp\u003eOxygen sensors help the engine management system gauge the air–fuel mix. When a sensor wears, the computer may struggle to balance fuel delivery, affecting throttle response and, potentially, fuel economy. The built-in heater helps reach optimal temperature faster, which can support smoother running and more consistent readings during cold starts.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle fitment\u003c\/strong\u003e: Upstream and downstream heated O2 sensors compatible with Hyundai Accent (2000–2011), Elantra (2001–2012), Tiburon (2003–2008), Tucson (2005–2009), and Kia Rio\/Soul\/Spectra\/Sportage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification\u003c\/strong\u003e: Upstream and Downstream positions; heated type; 380mm wire length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality and durability\u003c\/strong\u003e: High-heat welded seals for stronger sealing; built-in heater accelerates warm-up; designed for reliable operation under varied temps.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement with precoated threads for convenient fit and proper torque.\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged O2 sensor supports consistent monitoring of oxygen concentration in exhaust gas, contributing to performance and environmental protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world use scenarios\u003c\/h3\u003e\u003cp\u003eIn daily driving, the kit can help restore steady idle, brisk acceleration, and smoother transitions between fuel maps. On highway runs, consistent sensor readings can assist the ECU in maintaining efficient fuel use, especially after a cold start.\u003c\/p\u003e\u003ch3\u003eFitment note\u003c\/h3\u003e\u003cp\u003eBefore installation, compare the part image to ensure the plug matches exactly. An identical connector is essential for proper fitment and electrical connection.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What vehicles is the AZHZ Oxygen Sensor compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Hyundai Accent (2000–2011), Elantra (2001–2012), Tiburon (2003–2008), Tucson (2005–2009), and Kia Rio\/Soul\/Spectra\/Sportage as listed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Why replace both upstream and downstream sensors with this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacing both sensors helps maintain continuous monitoring and supports stable engine performance and fuel economy by maintaining accurate air–fuel readings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AZHZ","offers":[{"title":"Default Title","offer_id":42466330738773,"sku":"B0D34PX2TV","price":33.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/azhz-upstream-oxygen-sensor.jpg?v=1778046138","url":"https:\/\/plentytorque.co.uk\/products\/azhz-oxygen-sensor-replacement-for-hyundai-accent-elantra-upstream-downstream-heated-234-4851","provider":"PlentyTorque","version":"1.0","type":"link"}