Vintage Motorcycle Voltage Regulators & Rectifiers – OEM & Aftermarket

Find OEM and aftermarket vintage motorcycle voltage regulators and rectifiers for classic Honda, Yamaha, Suzuki, and Kawasaki motorcycles. This collection includes direct-fit charging system components designed for motorcycles from the 1960s through the 1990s.

A failing regulator or rectifier can cause overcharging, battery drain, dim lights, weak spark, or complete electrical failure. Replacing worn or outdated charging components restores proper voltage control, protects your battery, and ensures stable electrical performance.

Our inventory includes standalone voltage regulators, rectifier units, and combination regulator/rectifier assemblies — all selected for accurate model-specific fitment and dependable charging system performance across stock and restored vintage motorcycles.

Old Bike Barn specializes in vintage Japanese motorcycle parts with trusted OEM and aftermarket electrical components curated by experienced riders who wrench.