This is a Genuine Honda part. Manufactured by Honda We are a flagship Honda Dealer. Check out our feedback. Please confirm part number/size/application with your dealer or other resource before ordering. And do not open until you have made sure it will fit. Direct fit Genuine HONDA ACURA OEM Ignition Knock (Detonation) Sensor. Fit the vehicles below. V-Tec 1999 GS-R; 1.8L; B18C1 Eng. Honda Prelude 1992 Si 4WS; 2.3L; H23A1 Eng. DOHC; Non-V-Tec 1995 Si; SE; 2.3L; H23A1 Eng. DOHC; Non-V-Tec 1995 SE; 2.3L; H23A1 Eng. Maintain your engine just as Honda intended. Made in Japan (Honda). Don’t miss this chance!