AHL Water Temperature Sensor for Honda VFR400 VFR800 NC30 VFR750 VFR1200 NC21 NC24 NC35 RVF400 Fit for Honda CB500 CB900 CB1000 CB1300 AX-1 AX-2 NX250 VT250 Magna 250 VTZ250 VTF250 25V VTEC400 I II III IV Screw diameter:15.7mm,fit for many models,please compare the size with your original part Use of high quality brass material to ensure its durability,good working condition Coolant temperature sensor,monitors the engine temperature,effectively protect the normal operation of the engine Quality Assurance!If you are not satisfied with our products,we accept all of the return,replacement or refund requests