HQRP Knock Sensor Wiring Harness for Infiniti QX4 97 98 99 00 1997 1998 1999 2000 plus HQRP Coaster HQRP&reg; Knock Sensor Wiring Harness plus HQRP&reg; Coaster; Condition: New; OEM # 24079-31U01 / 2407931U01; Length of Wiring Harness: 14; 200 days warranty!