2003 - 2006 OEM GM Yukon / 1500 , 2500 , 3500 Master Switch. This is a genuine GM OEM part, not the cheap aftermarket stuff.   The unit has been thoroughly inspected and is in good used shape.  **Please make sure you existing switch matches this unit prior to purchase. We offer free shipping on this item as well as a money back guarantee. Please contact us with any questions that you may have.