{"product_id":"tautoy-o2-oxygen-sensor-kit-for-1-4l-l4-chevy-buick-2pcs-upstream-234-4529-downstream-234-4528-stainless-steel","title":"TAUTOY O2 Oxygen Sensor Kit for 1.4L L4 Chevy \u0026 Buick — 2PCS Upstream 234-4529 \u0026 Downstream 234-4528, Stainless Steel","description":"\u003cp\u003e\u003cstrong\u003eTAUTOY 2PCS oxygen sensor kit includes one upstream 234-4529 and one downstream 234-4528 sensor engineered to restore accurate air-fuel readings for 1.4L L4 Chevy and Buick models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle’s engine light, fuel economy, or emissions performance points to a faulty O2 sensor, replacing both upstream and downstream sensors at once is a practical repair. This TAUTOY pair is made to match OEM fitment for many Chevy Cruze, Sonic, Trax and Buick Encore model years with the 1.4L engine, and is built from laser-welded stainless steel for corrosion resistance and consistent measurements over time.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these sensors fit my car?\u003c\/h3\u003e\n\u003cp\u003eEach sensor is manufactured to match the original equipment mounting, wiring length and connector style for specified model years. Simply verify your vehicle’s engine size (1.4L L4) and match the part numbers before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes upstream 234-4529 and downstream 234-4528 for direct replacement.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Chevy Cruze (2011–2016 variants listed), Sonic (2012–2020), Trax (2013–2021).\u003c\/li\u003e\n  \u003cli\u003eCompatible with Buick Encore (2013–2021) 1.4L models.\u003c\/li\u003e\n  \u003cli\u003eCross-references OEM numbers such as 55569903, 55572993, 55572216.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance benefits should I expect after installing these O2 sensors?\u003c\/h3\u003e\n\u003cp\u003eReplacing failing oxygen sensors helps your engine control unit regain accurate oxygen readings, which can improve combustion control and emissions monitoring. While results vary by vehicle condition, many drivers notice smoother idling and more stable fuel trims.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecise oxygen partial-pressure measurement for balanced air-fuel ratios.\u003c\/li\u003e\n  \u003cli\u003eReduces false oxygen readings that trigger diagnostic trouble codes.\u003c\/li\u003e\n  \u003cli\u003eSupports emission system performance and catalytic converter monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is the build quality and durability of the TAUTOY sensors?\u003c\/h3\u003e\n\u003cp\u003eThese sensors use a double laser-welded stainless steel body for improved resistance to heat and road contaminants. The construction aims to provide consistent sensing over the expected life of the part and to withstand under-hood stresses.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble laser-welded stainless steel housing for long-term durability.\u003c\/li\u003e\n  \u003cli\u003eEngineered sensing element for stable voltage response under varying conditions.\u003c\/li\u003e\n  \u003cli\u003eBacked by a 1-year limited warranty for peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is similar to most threaded oxygen sensors: locate the upstream and downstream ports, unplug the old sensors, unthread them, then fit the new sensors and reconnect. Use proper anti-seize on threads if recommended and torque to factory specs to avoid damage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBasic hand tools required plus an oxygen-sensor socket for safer removal.\u003c\/li\u003e\n  \u003cli\u003eConfirm wiring harness connector compatibility before installation.\u003c\/li\u003e\n  \u003cli\u003eClear diagnostic codes after replacement to verify the repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This TAUTOY 2PCS O2 sensor set is designed for DIY mechanics and professional technicians replacing worn or failed oxygen sensors on 1.4L Chevy and Buick models listed above. Choose this kit if you want OEM-style fitment, stainless-steel durability, and both upstream and downstream sensors supplied together for a coordinated repair.\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 fit a 2014 Chevy Cruze 1.4L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes upstream 234-4529 and downstream 234-4528 compatible with 2011–2015 Chevy Cruze 1.4L models listed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is any warranty included with the TAUTOY O2 sensors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. TAUTOY provides a 1-year warranty covering manufacturing defects for these oxygen sensors.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TAUTOY","offers":[{"title":"Default Title","offer_id":48085623668894,"sku":"B0F8Q3FWG3","price":46.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tautoy-front-packaging-oxygen-sensors_8c5c2ffb-33a7-4efd-9f4f-957f90401026.jpg?v=1785875079","url":"https:\/\/northtrailauto.ca\/products\/tautoy-o2-oxygen-sensor-kit-for-1-4l-l4-chevy-buick-2pcs-upstream-234-4529-downstream-234-4528-stainless-steel","provider":"North Trail Auto","version":"1.0","type":"link"}