HQRP Knock Sensor for Honda B16A B16B B17A B18A B18C H23A Engine plus HQRP Coaster HQRP&reg; Knock Sensor plus HQRP&reg; Coaster; Condition: New; Standard: # KS-H65 / KS-65 / KS65; AC Delco: # 213-2308; Compatible with Honda/Acura OEM Ref.: # 30530-P2M-A01 / 30530P2MA01; Compatibility: Honda B16A B16B B17A B18A B18C H23A Engine; 200 days warranty!