Features: 1.OEM numbers for reference: 31400?333?004, 31400?300?035, fit for Honda CB F 400 350 750. 2.Stabilize the voltage, reduce clutter interference, and improve the accuracy of vehicle ignition. 3.Protect the battery and vehicle electrical circuit system and prolong its service life. 4.Effectively improve the problems such as weak acceleration, downshifting and so on. 5.Excellent replacement for the old or broken rectifier, stable and reliable performance. Specification: Item Type: Rectifier Material: Aluminum Alloy + ABS OEM: 31400-333-004, 31400-300-035 Fitment: Fit for Honda CB F 400 from 1976 to 1978 31400-333-004 Fit for Honda CB F 350 from 1972 to 1975 Fit for Honda CB K 500 from 1971 to 1973 Fit for Honda CB F Super Sport 550 from 1975 to 1977 31400-300-035 Fit for Honda CB A Hondamatic 750 from 1976 to 1978 31400-300-035 Fit for Honda CB F Super Sport SOHC 750 from 1975 to 1978 31400-300-035 Fit for Honda CB K 750 from 1969 to 1978 31400-300-035 Fit for Honda CB K 550 from 1974 to 1978 31400-300-035 Wiring: Green Wire: Negative pole of power supply Yellow Wire, Red Wire: Positive power supply White Wire: Magnetic field coil Black Wire: Ignition Switch, sensor PackageList: 1 x Rectifier Note: Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!