{"product_id":"qiybone-oxygen-o2-sensor-set-upstream-downstream-234-4587-250-24253-for-jeep-dodge-chrysler-ram-2pcs-oe-style-fit","title":"QIYBONE Oxygen O2 Sensor Set Upstream \u0026 Downstream 234-4587 \/ 250-24253 for Jeep Dodge Chrysler Ram - 2pcs OE-Style Fit","description":"\u003cstrong\u003eA pair of QIYBONE upstream and downstream oxygen sensors (234-4587 \/ 250-24253) designed to replace faulty O2 sensors on select Jeep, Dodge, Chrysler, Ram, Volkswagen, and Mitsubishi vehicles.\u003c\/strong\u003e\n\n\u003cp\u003eThese two oxygen sensors come as an upstream (pre-catalytic) and downstream (post-catalytic) replacement set engineered to restore accurate exhaust oxygen readings for vehicles listed in the compatibility table. Each sensor is manufactured to match common OE electrical and threading specifications so they integrate into the engine management system without major modifications. The set is useful when you need both sensors replaced—for example, when a check engine light flags multiple O2 sensor fault codes or when replacing a failed sensor during catalytic converter service.\u003c\/p\u003e\n\n\u003ch3\u003eWill these sensors fit my vehicle model and year?\u003c\/h3\u003e\n\u003cp\u003eCompatibility covers a broad range of Chrysler, Dodge, Jeep, and Ram platforms across many model years. Fitment includes common engines such as 3.6L, 3.7L, 4.7L, 5.7L and others; confirm your exact engine code and part number references to be certain. Use the published reference numbers and OE cross-references to match your factory sensor.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with Jeep Grand Cherokee, Wrangler, Liberty, Cherokee, Patriot, Compass and more (2001–2022 where listed).\u003c\/li\u003e\n  \u003cli\u003eCovers Dodge Charger, Challenger, Durango, Ram, Neon, Nitro, Caravan and other models (2000–2023 where listed).\u003c\/li\u003e\n  \u003cli\u003eIncludes Chrysler 200, 300, Pacifica, Town \u0026amp; Country and additional models across multiple years.\u003c\/li\u003e\n  \u003cli\u003eAlso compatible with select Ram ProMaster, Volkswagen Routan and Mitsubishi Raider applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these QIYBONE O2 sensors work in my exhaust system?\u003c\/h3\u003e\n\u003cp\u003eUpstream sensors measure the oxygen content in exhaust gases before the catalytic converter to help the engine control unit (ECU) adjust fuel mixture. Downstream sensors monitor catalytic converter efficiency by comparing downstream oxygen levels to upstream readings. Together they provide the ECU with the data needed for proper air–fuel ratio management and emissions monitoring.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUpstream (pre-cat) provides real-time feedback for fuel trim adjustments.\u003c\/li\u003e\n  \u003cli\u003eDownstream (post-cat) checks converter efficiency for emissions control.\u003c\/li\u003e\n  \u003cli\u003eSet is supplied with correct thread and connector styles for listed OE numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation details and maintenance should I expect?\u003c\/h3\u003e\n\u003cp\u003eInstallation is similar to other threaded oxygen sensors: unplug the wiring harness, remove the old sensor with an oxygen-sensor socket, and torque the new unit to spec using anti-seize where appropriate. Allow the vehicle to complete several drive cycles after installation for the ECU to adapt and clear historical fault codes. If the check engine light persists, verify connector pins, wiring continuity and that the new sensors match the original upstream\/downstream positions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstalled with standard O2 sensor tools; no special ECM reprogramming usually required.\u003c\/li\u003e\n  \u003cli\u003eReplace both sensors when recommended to ensure balanced readings and diagnostics.\u003c\/li\u003e\n  \u003cli\u003eClear codes after installation and monitor for recurring fault codes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this set is for: the QIYBONE two-sensor kit suits DIY mechanics, independent shops and fleet technicians who need a reliable, cost-effective upstream and downstream oxygen sensor replacement for compatible Jeep, Dodge, Chrysler, Ram and related models. Choose this set when OE cross-reference numbers match your vehicle or when both pre- and post-catalytic sensors require replacement to restore proper emission monitoring and engine performance.\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: Do these sensors include both upstream and downstream units?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit contains a matching upstream (pre-cat) and downstream (post-cat) oxygen sensor as a set of two.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm these match my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compare your vehicle's engine size and OE part numbers to the listed cross-references before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"QIYBONE","offers":[{"title":"Default Title","offer_id":48086500737182,"sku":"B0GGGWHK9X","price":47.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/qiybone-front-packaging-sensors.jpg?v=1785899773","url":"https:\/\/northtrailauto.ca\/products\/qiybone-oxygen-o2-sensor-set-upstream-downstream-234-4587-250-24253-for-jeep-dodge-chrysler-ram-2pcs-oe-style-fit","provider":"North Trail Auto","version":"1.0","type":"link"}