4Pcs Oxygen Upstream and Downstream O2 Sensor Compatible with 1990-2014 F150 F250 F350 OE#15717, 15716, 15718, 15719 Item Description ?Fitment?:Mustang, Aerostar, Bronco, Contour, Crown Victoria, E-150, E-250, E3-50, Escape, Escort, Excursion, Expedition, Explorer, F-150, F-250, F-350, Five Hundred, Flex, Focus, Freestar, Freestyle, Fusion, GT, Mustang, Ranger, Taurus, Tempo, Thunderbird, Windstar etc. ?Reference Part Number?:15717, 15716, 15718, 15719 ?High-Quality and Easy to install?:Our Oxygen Sensor are made of high-quality material that is environmentally friendly and harmless. They are easy to install.Using a new oxygen sensor can reduce fuel consumption and enhance vehicle driving stability. ?Function?: This universal oxygen sensor is engineered to enhance your vehicle's performance by accurately measuring the air-fuel ratio. It helps optimize combustion, improve fuel economy, and reduce harmful emissions. ?Important Notes?:Six-month warranty.Before purchasing, please confirm the length of the oxygen sensor and ensure compatibility with your vehicle's make and model.Perfect fit with OEM specifications, allowing for straightforward installation without modifications.For any questions or further assistance, please reach out to our customer service team. We're here to assist you! ? See more product details Provides precise readings for better engine management. Made with high-quality materials to withstand extreme temperatures and vibrations Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.