Replaces Part Number: Upstream Oxygen Sensor: 234-9049, 2349049; Downstream Oxygen Sensor: 234-4622, 2344622. Please check compatibility at the top of the page to confirm that o2 sensor matches your vehicle
High-Performance: O2 sensor upstream and downstream is made of durable material to ensure excellent performance. improve engine performance and fuel economy prevent premature catalytic converter damage. Automotive replacement oxygen sensors can make your engine run more stable improve reliability
Product Tested: O2 sensors has undergone extensive testing will accurately detect the mixture of air and fuel, helps ensure your engine operating efficiently, while maximizing performance
Easy installation: Oxygen sensor set is well made the interface is matched can be quickly replaced in a short time