{"product_id":"aulink-oxygen-sensor-2-pack-upstream-downstream-for-2009-2016-hyundai-kia-2-0l-2-4l-oem-fit-stainless-steel","title":"AULINK Oxygen Sensor 2-Pack Upstream \u0026 Downstream for 2009–2016 Hyundai\/Kia 2.0L–2.4L, OEM Fit Stainless Steel","description":"\u003cp\u003e\u003cstrong\u003eAULINK 2-pack upstream and downstream oxygen sensors (234-4238 \u0026amp; 234-5029) replace factory units on select 2.0L and 2.4L Hyundai and Kia models to restore accurate exhaust readings and improve engine management.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your check engine light points to an O2 sensor or your vehicle shows rough idle, poor fuel economy, or failed emissions checks, replacing both upstream and downstream sensors with matched units is a dependable step. These AULINK sensors are designed to match OEM fit and electrical characteristics for many Hyundai and Kia 2.0L and 2.4L engines from model years 2009–2016, offering stainless steel housings, laser-welded construction, and protective venting that stops moisture entry while allowing atmospheric sensing.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines do these oxygen sensors fit?\u003c\/h3\u003e\n\u003cp\u003eThese sensor pairings are built to directly replace original equipment on multiple Hyundai and Kia models with 2.0L or 2.4L L4 engines. Fitment covers upstream and downstream positions where the listed OEM part numbers apply.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHyundai Sonata (2009–2014) 2.4L L4\u003c\/li\u003e\n  \u003cli\u003eHyundai Santa Fe (2010–2012) 2.4L L4\u003c\/li\u003e\n  \u003cli\u003eHyundai Tucson (2010–2014) 2.0L \/ 2010–2014 2.4L L4\u003c\/li\u003e\n  \u003cli\u003eKia Forte5 (2012–2013), Optima (2011–2015) including Optima Hybrid (2011–2013), Rondo (2009–2012), Sorento (2011–2015), Sportage (2011–2016) 2.4L L4\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these sensors match OEM quality and performance?\u003c\/h3\u003e\n\u003cp\u003eAULINK sensors use a stainless steel body and double laser-welded seams to resist corrosion and maintain a tight seal, replicating the durability and electrical behavior of factory parts. The design keeps moisture out while allowing proper air exchange for accurate oxygen measurement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble laser-welded stainless steel housing for long-term durability\u003c\/li\u003e\n  \u003cli\u003eWater-resistant venting prevents filter clogging while permitting atmospheric sensing\u003c\/li\u003e\n  \u003cli\u003eEngineered to match OEM electrical characteristics and mounting dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat benefits will you notice after installation?\u003c\/h3\u003e\n\u003cp\u003eReplacing both upstream and downstream sensors with matched AULINK units helps stabilize air-fuel mixture readings, which improves drivability and can recover fuel efficiency lost to failing sensors. It also reduces the chance of false fault codes and helps emissions systems operate correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMore consistent engine idle and throttle response\u003c\/li\u003e\n  \u003cli\u003eImproved fuel economy compared with deteriorated sensors\u003c\/li\u003e\n  \u003cli\u003eLower risk of recurring diagnostic trouble codes and failed emissions tests\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there any warranty or part number details I should know?\u003c\/h3\u003e\n\u003cp\u003eEach pack includes two sensors with multiple cross-referenced OEM part numbers for easy verification. AULINK backs these sensors with a 1-year or 50,000 km warranty for added confidence after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-referenced OEM numbers: 234-4238, 234-5029, 392102G100, 392102G200 and more\u003c\/li\u003e\n  \u003cli\u003eWarranty: 1 year or 50,000 km coverage\u003c\/li\u003e\n  \u003cli\u003eSold as an upstream + downstream matched pair for reliable diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Automotive DIYers, maintenance shops, and vehicle owners who need a reliable OEM-compatible replacement for failing oxygen sensors on selected Hyundai and Kia 2.0L and 2.4L engines. Choose this AULINK 2-pack when you want corrosion-resistant construction, matched upstream\/downstream performance, and a straightforward warranty for peace of mind during repairs or routine exhaust-system maintenance.\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: Can I replace only the faulty O2 sensor instead of both?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can replace a single sensor, but installing both upstream and downstream as a matched pair helps ensure consistent readings and diagnostics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these sensors come with a warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, AULINK includes a 1-year or 50,000 km warranty with this two-sensor pack.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AULINK","offers":[{"title":"Default Title","offer_id":48083316113566,"sku":"B0D8BJJWMF","price":63.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/aulink-front-packaging-oxygen-sensors.jpg?v=1785831408","url":"https:\/\/northtrailauto.ca\/products\/aulink-oxygen-sensor-2-pack-upstream-downstream-for-2009-2016-hyundai-kia-2-0l-2-4l-oem-fit-stainless-steel","provider":"North Trail Auto","version":"1.0","type":"link"}