{"product_id":"qiybone-oxygen-o2-sensor-kit-for-toyota-2-5l-upstream-downstream-2pcs-oem-fit-stainless-steel","title":"QIYBONE Oxygen O2 Sensor Kit for Toyota 2.5L — Upstream \u0026 Downstream 2PCS, OEM-fit Stainless Steel","description":"\u003cp\u003e\u003cstrong\u003eQIYBONE's two-piece oxygen (O2) sensor kit provides direct-fit upstream and downstream sensors engineered for 2.5L Toyota\/Lexus\/Scion engines to restore accurate air‑fuel readings and reliable exhaust monitoring.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement kit includes an upstream and a downstream O2 sensor built to OEM-style specifications for Toyota Camry (2012–2017 2.5L), RAV4 and Avalon (2013–2018 2.5L), Lexus ES300h (2013–2018 2.5L) and Scion tC (2011–2016 2.5L). Each sensor uses stainless steel construction and high‑temperature materials with enhanced sealing to resist exhaust conditions and provide long service life. The plug-and-play connectors match factory wiring so installation is straightforward for professional mechanics and competent DIYers alike.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these sensors improve my vehicle's performance?\u003c\/h3\u003e\n\n\u003cp\u003eOxygen sensors measure exhaust oxygen content so the engine control module can balance air and fuel correctly. Replacing failing sensors restores accurate feedback, helping the engine run closer to its intended efficiency and emissions profile.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eUpstream sensor monitors combustion mixture for real-time fuel trim adjustments.\u003c\/li\u003e\n  \u003cli\u003eDownstream sensor verifies catalytic converter effectiveness and emissions.\u003c\/li\u003e\n  \u003cli\u003eFaster response time helps reduce rough idling and missed shifts caused by incorrect fuel trim.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and part numbers are these sensors compatible with?\u003c\/h3\u003e\n\n\u003cp\u003eThis QIYBONE pair fits specific 2.5L L4 engines across Toyota, Lexus and Scion model years listed. Always compare the connector and mounting thread to your original sensor before ordering to ensure a match.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible models: Camry (2012–2017), Avalon (2013–2018), RAV4 (2013–2018) — excluding hybrid variants where noted.\u003c\/li\u003e\n  \u003cli\u003eAlso fits: Scion tC (2011–2016) and Lexus ES300h (2013–2018) with 2.5L L4 engines.\u003c\/li\u003e\n  \u003cli\u003eReference numbers: upstream 250-54084 (350-64031, OS5579) and downstream 250-24360 and related OE equivalents for cross-reference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation, and what should I check first?\u003c\/h3\u003e\n\n\u003cp\u003eQIYBONE sensors are designed to the original equipment plug-and-play form, so installation is typically quick. However, you should verify connector type, thread pitch and sensor location before replacing to avoid compatibility issues.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTurn off the vehicle and let the exhaust cool before removal to avoid burns.\u003c\/li\u003e\n  \u003cli\u003eCompare the factory sensor’s plug and threads with the new product images to confirm fitment.\u003c\/li\u003e\n  \u003cli\u003eUse an oxygen sensor socket for removal and torque to OEM specifications on installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the construction and durability features of this QIYBONE kit?\u003c\/h3\u003e\n\n\u003cp\u003eThe sensors combine stainless steel bodies with high‑temperature resistant elements and reinforced sealing to withstand exhaust heat and contaminants. These design choices extend service life and keep readings stable under harsh driving conditions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStainless steel housing for corrosion resistance and structural durability.\u003c\/li\u003e\n  \u003cli\u003eHigh‑temperature internals for sustained performance in hot exhaust streams.\u003c\/li\u003e\n  \u003cli\u003eDouble protection sealing to limit exhaust leaks and wiring exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This two-piece QIYBONE sensor set is aimed at owners and technicians who need a reliable, cost-effective replacement for failing oxygen sensors on 2.5L Toyota, Lexus and Scion models. It suits DIY mechanics who can perform sensor swaps and professional shops that require a direct-fit aftermarket option with broad OE reference numbers for quick cross-referencing. If your vehicle shows an O2 sensor fault code, reduced fuel economy, or failed emissions checks, this kit offers a practical replacement choice that matches common factory specifications.\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 2014 Toyota Camry 2.5L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This QIYBONE pair is compatible with 2012–2017 Camry 2.5L engines—compare your original connector to confirm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the sensors easy to install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They use OEM-style plugs for plug-and-play installation; removal may require an oxygen sensor socket.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"QIYBONE","offers":[{"title":"Default Title","offer_id":48080865231006,"sku":"B0GGJ1SBRY","price":79.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/qiybone-front-packaging-oq-sensor-kit.jpg?v=1785791153","url":"https:\/\/northtrailauto.ca\/products\/qiybone-oxygen-o2-sensor-kit-for-toyota-2-5l-upstream-downstream-2pcs-oem-fit-stainless-steel","provider":"North Trail Auto","version":"1.0","type":"link"}