Genuine OEM GM Trailering TPMS (Tire Pressure Monitoring System) Sensors. This is a complete set of 4 TPMS sensors with service kits. Includes TPMS sensors, valve stems, valve stem seal supports, seals, mounting nuts, valve cores, and valve caps–all of the parts you will need for installation! These are genuine OEM GM TPMS sensors manufactured by Schrader Automotive in the UK, the exact same sensors that come with your vehicle from the factory. We do not import inferior quality counterfeit sensors from China. Part numbers : 84152501, 86803857. Type : Schrader Delta clamp-in (aluminum valve stem). Applications : Works with all GM trucks & SUVs listed below with “Advanced Trailering System” option (codes PTT, U1D, UVI, ZL6, etc). Your vehicle must have this option to use trailer TPMS. These sensors are for trailer use only and will not work as sensors in the vehicle’s tires. TPMS sensors with service kits per item. Condition : Brand new (without packaging). OEM type sensors are pre-programmed and ready to install. 203826716891 in order to complete the required setup. We can provide complete programming instructions for any application. All of our sensors go through the following checks to ensure quality. Sensors are installed in a special test chamber to simulate operating environment and then checked for battery level, signal strength, pressure & temperature reading accuracy, and proper activation. Sensor body inspected for cracks and separations. Pressure sensor port inspected for blockage. Valve body inspected for bends, damaged threads, and excessive corrosion. Inside valve body checked for seized valve cores. Entire sensor cleaned of excess dirt, grime, and tire dust. All of our TPMS sensors are fully guaranteed for 30 days. May fit other models. Please verify part number matches the one on your part that needs replacement! Your vehicle will require programming after replacement of any TPMS sensors (in most circumstances). OEM type sensors have a unique ID that must be “relearned” by your vehicle’s t ire p ressure m onitoring s ystem (TPMS) once they are installed. The procedure varies from one vehicle to the next and ranges in complexity. Most major tire shops and service stations will be equipped to complete the relearn once installed. If you would like some specific information on the programming procedure for your vehicle or have any other TPMS related questions we are happy to offer our expert advice! Typical condition of sensors we sell. Actual parts will be clean and in very good condition but may have some minor corrosion or staining. Genuine OEM Sensors Guaranteed! Beware of cheap imitations that offer “OEM fit” as they are generally of inferior quality. Most of our sensors listed as “aftermarket” are produced by the same OEM suppliers and are of the same quality. We do not import cheap aftermarket or reproduction sensors, period. Notice: All parts have unique IDs which have been recorded. Parts also contain special markings and tamper deterrents.