Garmin Replacement Transducer Bracket f/Plastic TM Transducer w/Depth & TempReplacement Transducer Bracket for Plastic Transom Mount Transducer with Depth & Temp This replacement Transducer Bracket is for the plastic transom mount that can be used to replace the dual frequency transducers included with many Garmin units. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.