Dasbecan Oxygen O2 Sensor 4PCS Compatible with 2011-2014 Ford F150 F-150 5.0L 6.2L 234-5113 234-5076 234-4494 Left Right Upstream Downstream Item Description Compatible with: 2011 2012 2013 2014 Ford F150 5.0L 6.2L , up down oxygen sensor. Please ensure that the model, part number, and image are exactly the same as your old oxygen sensor. Replaces OE Number: Upstream: 234-5076 (Left) 234-5113 (Right); Downstream: 234-4494 (Left) 234-449 4(Right). Packaging: 4PCS( including 2pcs * upstream oxygen sensor and 2pcs * downstream oxygen sensor ). Features: Made of high temperature resistant and corrosion-resistant materials, reliable in quality, professionally designed with high stability performance. It can accurately measure the oxygen content upstream and downstream in real time, optimize fuel efficiency, improve fuel efficiency, reduce exhaust emissions, and provide you with an excellent driving experience. Easy to install: Plug and play plug design, easy to operate. Please note that the upstream and downstream oxygen sensor interfaces are different. Before purchasing, please check if the plug interface you need to replace is exactly the same as ours. Note: Usually, engine oil blockage, three-way catalytic converter failure, and oxygen sensor probe contamination may lead to decreased vehicle performance, increased emissions, and reduced fuel efficiency. Before installation, please check whether the vehicle has the above faults to avoid inconvenience. You will get: 12-Months-warranty. If you have any questions, please contact us, We will reply to you within 24 hours. ? See more product details *2. How do I know if the sensor is compatible with my vehicle model? Please ensure that the parts you ordered are suitable for your year/brand/model/engine. If you are unsure, please provide photos of the old sensor and we will do our best to assist you. 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.