Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]
GMI™ 20 to GMI 40 Adapter Plate
This adapter plate allows you to install a new GMI 40 marine instrument into the existing cutout of a GMI 20 in your dash.
Professional installation available from Mariners Marine, an authorized Garmin installer. Get a parts + installation quote or see our installation services — call 732-620-5686.
Serving the Jersey Shore and surrounding areas. Travel fees may apply.