![Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/608x608/products/36448/49566/115772XL__06609.1788575978.jpg?c=1 "Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]")
Description
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.
![Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/1500x1500/products/36448/49566/115772XL__06609.1788575978.jpg?c=1&imbypass=on "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.
