Genuine AC Delco For GMC Sierra 3500 2001 02 03 04 05 2006 Ignition Knock (Detonation) Sensor | Pin Terminal | 10 millimeters / 0.39 inches Threaded End Diameter | Round Connector Shape | For 1258986

Part: Ignition Knock (Detonation) Sensor Terminal Type: Pin Made From The Highest Quality Materials Designed For Easy Installation Brand New - Sealed in a BoxYou may also like Genuine AC Delco For Chevy Silverado 3500/1500/2500 2003 04 05 06 2007 Combination Switch | Plastic | Rectangle | Male Terminal | Female Connector | Replacement For 19381535.