Description

4PCS Oxygen O₂ Sensors Set – Ford F-150 3.5L V6 Turbo 2011–2014 This 4-piece oxygen (O₂) sensor set is specifically designed for 2011–2014 Ford F-150 3.5L V6 turbocharged (EcoBoost) engines . The set includes both upstream and downstream oxygen sensors , ensuring full exhaust system monitoring before and after the catalytic converters. These sensors provide precise oxygen readings to the engine control module (ECM), allowing accurate air-fuel ratio adjustments. This helps restore smooth acceleration, improved fuel economy, reduced emissions, and reliable engine performance . Ideal for replacing worn or failed sensors that cause check engine lights, rough idle, or poor MPG. Key Features & Benefits Complete 4-piece O₂ sensor set (upstream & downstream) Designed for Ford F-150 3.5L V6 turbocharged engines Accurate air-fuel ratio monitoring Improves fuel economy and throttle response Helps protect catalytic converters OE-quality construction for long service life Direct-fit, plug-and-play installation Engine Compatibility 3.5L V6 Turbocharged (EcoBoost) Vehicle Applications Ford F-150: 2011, 2012, 2013, 2014 3.5L V6 Turbocharged models only (Always verify fitment using VIN before purchase.) Included Components 2 × Upstream Oxygen (O₂) Sensors 2 × Downstream Oxygen (O₂) Sensors Total: 4 PCS Oxygen Sensors Frequently Asked Questions – Ford F-150 Oxygen Sensor Set What sensors are included in this set? This set includes 2 upstream and 2 downstream oxygen sensors for complete exhaust monitoring. Which engine does this fit? Designed specifically for Ford F-150 3.5L V6 turbocharged (EcoBoost) engines from 2011 to 2014. What are signs of failing oxygen sensors? Poor fuel economy, rough idle, engine hesitation, and check engine light illumination. Will replacing all sensors at once improve performance? Yes. Replacing all upstream and downstream sensors ensures accurate air-fuel control and emissions monitoring. Are these sensors OEM quality? Yes, they are manufactured to meet or exceed OEM performance standards. Is installation difficult? No. These are direct-fit sensors with plug-and-play connectors.