Fangrui Product Details Quality: And Factory Testing Installation Method:direct Part Number Code:68249197aa Operating Frequency:433 Mhz Manufacturer Part Number:68249197aa, 68239720aa, 68239720ab, 68239720ac, 68157568aa, 68157568ab, 68157568ac, 68185570aa, 68186572aa, 68186575aa Product Type:car Tpms Tire Pressure Sensor Fitment: For Ram 1500 2014-2018 For Ram 1500 2019-2021 /dx(5-lug) For Ram 2500 2014-2018 For Ram 3500 2014-2018 For Ram 4500 2014-2018 For Ram 5500 2014-2018 For 2014-2017 For () 2016-2018 For () 2019 Phase 11 There Are No Installation Instructions In The Packaging, So We Strongly Recommend Having Professional Personnel Assist You With The Installation To Avoid Part Damage Caused By Incorrect Installation Methods. Please Check As Much As Possible To Make Sure The Item Is What You Need. Tips:the Product May Be Updated Constantly ,due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:as Shown Material:plastic Package Contents Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.