{"product_id":"a-premium-downstream-o2-oxygen-sensor-for-hyundai-kia-4-wire-heated-680mm-cable","title":"A-Premium Downstream O2 Oxygen Sensor for Hyundai \u0026 Kia — 4-Wire Heated, 680mm Cable","description":"\u003cp\u003e\u003cstrong\u003eThe A-Premium downstream O2 (oxygen) sensor is a direct-fit, heated replacement sensor built to restore accurate exhaust oxygen readings on compatible Hyundai and Kia models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle’s downstream oxygen sensor has failed, this A-Premium unit offers the same mounting style, connector type, and wiring configuration as many original equipment sensors so you can replace it without major modifications. Designed with a 4-wire heated element and a 680 mm cable, the sensor provides the electrical and mechanical fitment needed for specific Genesis, Hyundai, and Kia engines listed below. Always confirm fitment by entering your vehicle details on the product page and reading the special note before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eWill this sensor fit my Hyundai or Kia model?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on model year, engine type, and the sensor position (downstream, downstream rear\/right\/front). This A-Premium sensor covers many Genesis, Hyundai, and Kia vehicles with 2.0L–3.8L engines; check the fitment list for exact matches. If you are unsure, use the vehicle selector on the listing or contact us with your VIN for confirmation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Genesis G70 2019–2023 L4 2.0L (downstream)\u003c\/li\u003e\n  \u003cli\u003eFits Hyundai Santa Fe, Sonata, Tucson models with specified years and engines\u003c\/li\u003e\n  \u003cli\u003eFits Kia Optima, Sorento, Sportage, Stinger, Telluride with listed positions\u003c\/li\u003e\n  \u003cli\u003eIncludes special positions: downstream rear\/right\/front for certain V6 models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the electrical and mechanical specifications?\u003c\/h3\u003e\n\u003cp\u003eThis sensor uses a threaded mounting and a female connector with a 4-wire heated design for rapid warm-up and reliable signal under varying exhaust temperatures. Overall cable length is 680 mm, packaged as a single boxed sensor. The reference numbers help confirm correct replacement against OEM listings.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWire quantity: 4 (heated sensor wiring)\u003c\/li\u003e\n  \u003cli\u003eOverall cable length: 680 mm for correct reach\u003c\/li\u003e\n  \u003cli\u003eMounting: threaded for direct installation\u003c\/li\u003e\n  \u003cli\u003eReference numbers: 250-241276, 250241276 for cross-checking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement affect performance and diagnostics?\u003c\/h3\u003e\n\u003cp\u003eThe downstream O2 sensor provides post-catalyst oxygen measurements used by the engine control system to monitor catalytic converter efficiency and emissions. Installing a properly matched replacement restores accurate downstream readings so diagnostic systems can evaluate after-treatment performance. It does not change engine tuning but helps clear emissions-related fault codes caused by a faulty sensor.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores correct downstream oxygen voltage signals\u003c\/li\u003e\n  \u003cli\u003eKeeps on-board diagnostics informed about catalytic efficiency\u003c\/li\u003e\n  \u003cli\u003eHelps prevent false emissions-related error codes\u003c\/li\u003e\n  \u003cli\u003eHeated element ensures quicker operation after cold starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This A-Premium downstream oxygen sensor is intended for DIY enthusiasts, independent mechanics, and fleet technicians who need a reliable, cost-effective replacement for specific Hyundai and Kia vehicles. If you require a direct-fit heated sensor with a 4-wire connector and 680 mm lead, and your make\/model appears in the fitment list, this sensor is a practical option. For peace of mind, verify the vehicle selector and the special note on the product page or contact support with your VIN before ordering.\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: How do I confirm this sensor fits my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Enter your vehicle info on the listing, check the \"Special Note,\" or contact us with your VIN to confirm fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this include the heated element and four-wire connector?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it is a heated oxygen sensor with four wires and a female connector, ready for direct-fit replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":55165933125975,"sku":"B09ZQRRYKV","price":37.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/a-premium-downstream-sensor-front-view.jpg?v=1790359961","url":"https:\/\/britishgarage.co.uk\/products\/a-premium-downstream-o2-oxygen-sensor-for-hyundai-kia-4-wire-heated-680mm-cable","provider":"British Garage","version":"1.0","type":"link"}