{"product_id":"upstream-downstream-oxygen-o2-sensor-234-4528-234-4529-direct-fit","title":"Upstream Downstream Oxygen O2 Sensor 234-4528 234-4529 - Direct Fit","description":"\u003cp\u003eIn this review the 234-4528\/234-4529 oxygen sensors are evaluated as direct replacements for 1.4L Chevy and Buick models. The bottom line: this pair is for DIY mechanics and independent shops that need a reliable, OEM-standard O2 sensor replacement without extra calibration steps. The reviewer found the sensors offer consistent functionality and straightforward installation, backed by the manufacturers 100% reliability testing process, making them a sensible buy when the original upstream or downstream sensor fails.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement numbers:\u003c\/strong\u003e Supplied with the listed upstream and downstream replacement codes so users can match parts quickly for known applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide vehicle fitment:\u003c\/strong\u003e Designed to fit multiple 1.4L engines including Chevy Cruze, Sonic, Trax and Buick Encore for model years stated, reducing the need to hunt for different part variants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM manufacturing process:\u003c\/strong\u003e Produced to OEM standards so the sensor matches original form and fit for straightforward swapping into the factory location.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull reliability testing:\u003c\/strong\u003e Each sensor is 100% tested to the same criteria used by original equipment manufacturers, which helps ensure consistent performance out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter-sales support:\u003c\/strong\u003e The brand provides pre-sales consultation and technical support to help with compatibility and installation questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product suits owners of Chevy Cruze (2011-2016 variants noted), Chevy Sonic (2012-2020), Chevy Trax (2013-2021) and Buick Encore (2013-2021) with 1.4L engines who need a direct upstream or downstream oxygen sensor replacement. It is aimed at people comfortable with basic underhood work or independent repair shops looking for a tested, OEM-style substitute for the original sensor.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for drivers who require manufacturer-branded parts or dealer-level warranty service tied to dealer-installed components, or for vehicles outside the listed model years and 1.4L engine configuration where fitment is not guaranteed.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFunctionality is reliable thanks to 100% testing that mirrors OE criteria.\u003c\/li\u003e\n\u003cli\u003eInstallation is generally easy and straightforward for users familiar with basic automotive repair.\u003c\/li\u003e\n\u003cli\u003eGood value compared with dealer parts while matching OEM form and fit for targeted models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFit and value received mixed feedback from some customers, so confirm compatibility before purchase.\u003c\/li\u003e\n\u003cli\u003eNot the original dealer-branded part, which may matter for some under-warranty repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Numbers\u003c\/td\u003e\n\u003ctd\u003eUpstream 234-4529; Downstream 234-4528\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternate Numbers\u003c\/td\u003e\n\u003ctd\u003e55569903, 55572993, 55572216, 55574136\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Engines\u003c\/td\u003e\n\u003ctd\u003e1.4L 1364cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eChevy Cruze, Chevy Sonic, Chevy Trax, Buick Encore (model years listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing Standard\u003c\/td\u003e\n\u003ctd\u003eProduced under OEM standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTesting\u003c\/td\u003e\n\u003ctd\u003e100% reliability testing per OE criteria\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003ePre-sales and technical after-sales service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 234-4528\/234-4529 oxygen sensors are a practical, cost-conscious replacement for owners of the listed 1.4L Chevy and Buick vehicles who want an OEM-standard part that is easy to install and thoroughly tested. For those who need dealer-branded parts or have vehicles outside the fitment list, a different option may be better, but for routine O2 sensor failures this pair represents dependable performance and solid value.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these sensors fit my 1.4L Cruze?\u003c\/strong\u003e\u003cbr\u003eThey are listed as compatible with 2011-2015 Chevy Cruze 1.4L and 2016 Cruze Limited 1.4L, but you should verify fitment for your exact year and trim before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these original equipment parts?\u003c\/strong\u003e\u003cbr\u003eThey are manufactured under OEM standards and tested to OE criteria, but they are supplied as replacement sensors rather than factory-branded dealer parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo they require programming after installation?\u003c\/strong\u003e\u003cbr\u003eNo additional programming is typically required; these are direct-fit replacements intended to match the original sensor form and function.\u003c\/p\u003e","brand":"ChawYI","offers":[{"title":"Default Title","offer_id":48620093014235,"sku":"B0CZ7C6837","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61pwCvZ3tZL._AC_SL1500.jpg?v=1778495140","url":"https:\/\/gearmusthave.com\/products\/upstream-downstream-oxygen-o2-sensor-234-4528-234-4529-direct-fit","provider":"GearMustHave","version":"1.0","type":"link"}