Plug and play design,direct replacement,so there's no additional programming required.Each product has been tested and improved before leaving our factory.The Nitrogen Oxide sensor is durability and stability. Made of high-quality material and built-in quality management system,our Nitrogen Oxide Sensor have high performance and totally meets or exceeds Part Number standard.NOTE:Please make sure that the model number, part number and photo is the same as your before ordering to Avoid placing wrong orders and wasting your time.Type:Nitrogen Oxygen SensorCondition:100% NewFitment Type:Direct ReplacementPart Number:5WK96720A 5801777219 5WK9 6720AFitment:Compatible Fits For 24V TruckColour:As ShownMaterial:ABSPackage Contents:1 x Nitrogen Oxygen SensorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.