3 Piece Lot of GM OEM Siemens / Tyco 4 Pin Relays, part number 12135170.  These are genuine GM OEM parts, not the cheap aftermarket / China Counterfeit stuff. These relays have been thoroughly bench tested prior to being listed for sale.  Please contact us with any questions that you may have. We offer free shipping on this item as well as a full 1 year warranty.