2PCS Oxygen Sensor Upstream Downstream O2 Sensor Compatible with 2011-2016 Chevy Cruze 2012-2020 Chevy Sonic 2013-2020 Chevy Trax 1.4L L4, 2013-2021 Buick Encore 1.4L L4 Replace 234-4528 234-4529

About Us: Welcome to FRONEZER Auto Parts - Your Trusted Source for Premium Automotive Accessories! At FRONEZER Auto, we are passionate about enhancing your driving experience. With years of expertise in the automotive industry, we've dedicated ourselves to providing top-notch accessories that elevate the functionality and style of your vehicle. Our Commitment: Quality First: We take immense pride in the quality of our products. Each item in our inventory undergoes rigorous testing to ensure it meets or exceeds industry standards. We believe in delivering accessories that are built to last, enhancing the value of your vehicle. Customer-Centric Approach: Your satisfaction is our priority. We strive to provide exceptional customer service, answering your inquiries promptly and addressing any concerns you may have. We're here to make your shopping experience seamless and enjoyable.

• ‌🚗【Engineered for a Perfect Fit】No guesswork, no stress. Our Oxygen Sensor 234-4528 234-4529 is precision-built to fit your 2011-2015 Chevy Cruze 1.4L L4 Eco / LT /LTZ, 2016 Chevy Cruze Limited 1.4L Eco / LT /LTZ, 2012-2020 Chevy Sonic 1.4L L4, 2013-2021 Chevy Trax 1.4L L4 （Not Fit 2021 L4 1.4L 1399cc 85in³), 2013 - 2021 Buick Encore 1.4L like it came straight from the factory.(Note：The Chevy Cruze Sonic Trax and BUICK Encore have two types of 1.4L engines. 1.4L Engine only for 1364cc 83ci MFI, not suitable for 1399cc DI.)
• 🚗【Replace Part Number】The Front & Rear O2 Sensor Replacement for OE Number : Upstream:234-4529, 2344529, 55569903, 55572993; Downstream: 234-4528, 2344528, 55572216, 55574136.
• 🚗【Drive Farther, Spend Less】 Enjoy more miles per gallon and fewer stops at the pump! Smart sensing technology maximizes fuel efficiency and helps you save money with every drive.
• 🚗【Built to Endure, Designed to Perform】 Crafted with premium platinum and ceramic components to withstand extreme heat and pressure — ensuring long-lasting performance and peace of mind.
• 🚗【Instant Response, Smoother Ride】 Experience faster acceleration and cleaner emissions. Our sensor delivers real-time data to your engine for a smoother, more responsive ride every time you hit the road.