This listing is for a Pack of 4 OEM Genuine Toyota Tundra Tire Pressure Monitoring System Sensor. Please provide us with your VIN number to be sure that this part is compatible with your vehicle. Parts must be resalable and in the original packaging. We can not take back used parts. We do reserve the right to refuse and return any parts we find have been installed, are used or do not meet the above criteria. Item should be return within 30 days. ET, MOM to FRI.