{"product_id":"tautoy-o2-oxygen-sensor-kit-for-kia-rio-2012-2018-upstream-downstream-pair-direct-fit-1-6l","title":"TAUTOY O2 Oxygen Sensor Kit for Kia Rio 2012-2018 — Upstream \u0026 Downstream Pair, Direct-Fit 1.6L","description":"\u003cp\u003e\u003cstrong\u003eTAUTOY's two-piece oxygen sensor kit replaces both upstream and downstream O2 sensors for Kia Rio (2012–2018) to restore accurate air-fuel monitoring and help the engine control module regain proper fuel trims.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis matched pair includes one upstream (pre-catalyst) sensor and one downstream (post-catalyst) sensor engineered to match the fit and function of common OEM part numbers such as 234-5055 and 234-4568. Each sensor uses a laser-welded stainless steel housing and calibrated sensing element to deliver reliable voltage response across operating temperatures. The kit is offered with a one-year warranty and is designed for direct fitment on compatible Hyundai and Kia 1.6L L4 engines without modification.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these O2 sensors restore engine performance?\u003c\/h3\u003e\n\u003cp\u003eOxygen sensors report exhaust oxygen content to the vehicle’s engine control unit so it can adjust fuel delivery. Replacing worn sensors restores accurate oxygen readings, enabling the ECU to fine-tune air-fuel ratios and reduce rough idling or erratic fuel economy caused by aging sensors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes both upstream (234-5055) and downstream (234-4568) sensors for coordinated readings\u003c\/li\u003e\n  \u003cli\u003eFast-response sensing element improves fuel trim correction\u003c\/li\u003e\n  \u003cli\u003eOEM-compatible connector and thread for direct replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these TAUTOY sensors compatible with my car?\u003c\/h3\u003e\n\u003cp\u003eThe kit fits Kia Rio and Kia Soul models with 1.6L L4 engines from approximately 2012–2018 and also matches several Hyundai Accent and Veloster applications from 2012–2017. Confirm compatibility by checking your vehicle’s OEM part numbers (such as 39210-2B110 or 2345055) and connector style before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit for Kia Rio 2012–2018 (1.6L L4) and Kia Soul 1.6L variants\u003c\/li\u003e\n  \u003cli\u003eCross-references OEM numbers: 234-5055, 234-4568, 39210-2B110, 39210-2B210, etc.\u003c\/li\u003e\n  \u003cli\u003eElectrical connector and thread size designed for plug-and-play installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction ensure durability?\u003c\/h3\u003e\n\u003cp\u003eTAUTOY builds these sensors with double laser-welded stainless steel housings and robust internal elements to resist vibration, heat cycling, and exhaust contaminants. That construction reduces premature failure and keeps the sensing element sealed for consistent operation over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble laser-welded stainless steel body for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eCalibrated sensing element for reliable voltage output across temperatures\u003c\/li\u003e\n  \u003cli\u003eProtective shroud and screens to reduce soot and particulate exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what warranty is provided?\u003c\/h3\u003e\n\u003cp\u003eThe package contains two oxygen sensors: one upstream (pre-cat) and one downstream (post-cat), each labeled for location. TAUTOY backs the kit with a one-year warranty to cover manufacturing defects under normal use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2-piece kit: 1x upstream (234-5055) and 1x downstream (234-4568)\u003c\/li\u003e\n  \u003cli\u003eIncludes sensors ready for installation with OEM-matching connectors\u003c\/li\u003e\n  \u003cli\u003e1-year limited warranty from TAUTOY\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This TAUTOY sensor kit is aimed at DIY mechanics, independent shops, and fleet technicians who need a cost-effective, direct-replacement solution for oxygen sensors on Kia Rio and similar Hyundai\/Kia 1.6L L4 models. Choose this kit if you want matched upstream and downstream sensors with OEM cross-references, durable stainless-steel construction, and a one-year warranty for routine maintenance or repair tasks.\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: Will these sensors fit my 2015 Kia Rio 1.6L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This TAUTOY kit is compatible with Kia Rio 1.6L models from 2012–2018; verify OEM part numbers to be certain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the sensors come pre-wired with connectors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Each sensor includes the OEM-style connector for direct plug-and-play installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TAUTOY","offers":[{"title":"Default Title","offer_id":67587326869689,"sku":"B0CXDYD158","price":85.9,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/tautoy-front-packaging-kia-rio-o2-sensors.jpg?v=1790506191","url":"https:\/\/redleafauto.ca\/products\/tautoy-o2-oxygen-sensor-kit-for-kia-rio-2012-2018-upstream-downstream-pair-direct-fit-1-6l","provider":"Redleaf Auto","version":"1.0","type":"link"}