NEW CDI MODULE FITS MERCURY MARINE 332-7778A9 332-7778A6 18-5775 3327778A9 332-7778A9 332-7778A6 18-5775 3327778A9 3327778A6 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability CDI Module - Source: Aftermarket