The price is for FOUR brand new OEM GM tpms sensors that will work on any 2008-current GM full size truck (Silverado, Sierra, Tahoe, Surburban, Escalade, etc). The part number is 22854866. These tire pressure monitors are OEM GM and are ready to be programmed to your truck! If you purchase a wheel/tire package from us you can buy 4 of these and we will install them at no charge. If you need any help with programming these to your truck or have any question about if this part number will fit your vehicle just ask! These will work on almost any 2007-2013 GM car and truck/suv. Shipping is free to the lower 48 states!