Performance Oxygen Sensor Set – 4 Pieces (2 Upstream + 2 Downstream) This complete oxygen sensor kit is designed to provide accurate airfuel ratio measurements for engine performance, improved fuel efficiency, and reduced emissions. Built for durability and precision, the sensors ensure reliable operation over time and are manufactured to meet or exceed OEM specifications. Key Benefits Enhances fuel economy by ensuring airfuel mixture Reduces harmful exhaust emissions for improved environmental performance Maintains strong engine power and smooth operation by providing precise readings to the ECU Directfit replacement for quick, hassle installation without modifications Includes oneyear quality guarantee for peace of mind Product Features Set includes 4 sensors: 2 upstream and 2 downstream for complete coverage Designed for exact OEM fit and function for listed vehicle models Robust construction with quality materials for long service life Heatresistant design withstands harsh operating environments Accurate sensing element for fast response and consistent readings Compatibility This oxygen sensor set fits the following vehicles: Dodge RAM 20022010 RAM 1500 3.7L 20032010 RAM 1500 5.7L 20022003 RAM 1500 5.9L 20042006 RAM 1500 8.3L 20032010 RAM 2500 5.7L 20032009 RAM 3500 5.7L 20112012 RAM 1500 3.7L and 5.7L 20112018 RAM 2500 5.7L 20112018 RAM 3500 5.7L 20122017 RAM 4500 5.7L Jeep Grand Cherokee 20052010 Grand Cherokee 3.7L 20082009 Grand Cherokee 4.7L 20052020 Grand Cherokee 5.7L 20062010 Grand Cherokee 6.1L 20112020 Grand Cherokee 3.6L 20122020 Grand Cherokee 6.4L Jeep Wrangler 20112017 Wrangler (all engines) Dodge Grand Caravan 20082010 Grand Caravan 4.0L 20112020 Grand Caravan 3.6L Chrysler 200 20112017 Chrysler 200 3.6L Chrysler 300 20052010 Chrysler 300 2.7L 20052010 Chrysler 300 3.5L 20112021 Chrysler 300 3.6L 20052010 Chrysler 300 5.7L 20052010 Chrysler 300 6.1L Chrysler Town and Country 20082010 Town and Country 4.0L 20112016 Town and Country 3.6L Jeep Liberty 20022012 Liberty 3.7L Use Scenarios 1. If your check engine light is on due to a faulty oxygen sensor, this kit allows you to both upstream and downstream units at once, restoring proper fuel management and clearing fault codes. 2. After installing a exhaust system or catalytic converter, replacing the oxygen sensors ensures the ECU receives accurate data for efficient performance. 3. For mileage vehicles experiencing poor fuel efficiency or rough idle, this set provides a costeffective way to refresh critical sensors for smoother operation. This oxygen sensor kit provides a directfit solution for a wide range of Dodge, Jeep, and Chrysler models. With precision engineering and OElevel quality, it ensures longlasting performance and reliable emissions control. OneYear Quality Guarantee included. Set of 4 sensors: 2 upstream and 2 downstream.