Replacement regulator rectifiers, starter motors, stators, and related electrical components for Yamaha, Honda, Kawasaki, Suzuki, Polaris, Can-Am, Arctic Cat, and CF Moto ATV and UTV models. A faulty regulator rectifier is one of the most common causes of battery drain, charging failure, and intermittent electrical faults. OEM cross-reference part numbers and dimensions are listed on each product page - if unsure, try the search bar directly or contact us with your make, model, year, and OEM number.