Regulator Rectifier compatible with F100A, F100, F90A, F90, F80A, F80, F75, F75A, ETL/X, TL/XR, TLR, TXR, TJR, ETL models.Suitable for Mercruiser F90 and F75 engines. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.