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.
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![Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/1280x1280/products/52001/70367/115772XL__02161.1788568301.jpg?c=2 "Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]")
![Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/400x400/products/52001/70367/115772XL__02161.1788568301.jpg?c=2 "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.
![Garmin GMI 20 Marine Instrument Display [010-01140-00]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/46932/63511/48522XL__42541.1747187650.jpg?c=2 "Garmin GMI 20 Marine Instrument Display [010-01140-00]")
![Garmin GMI 40 Protective Cover [010-12020-10]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/52000/70366/115770XL__85258.1788568299.jpg?c=2 "Garmin GMI 40 Protective Cover [010-12020-10]")
![Garmin GMI\/GNX Protective Cover [010-12020-00]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/15718/18584/66075XL__27798.1601528763.jpg?c=2 "Garmin GMI\/GNX Protective Cover [010-12020-00]")