Compare Maximum number of 4 items selected ACDelco 2 Terminal Knock (Detonation) Sensor - 213-924 Part #: 213-924 Line: ACD ACDelco 2 Terminal Knock (Detonation) Sensor 1 Year Limited Warranty Thread Size: M8 Terminal Type: Blade Connector Shape: Rectangle Terminal Gender: Male Attachment Method: Bolt-On Number Of Terminals: 2 Show More Show Less