![Garmin GMI 40 Protective Cover [010-12020-10]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/47804/66295/115770XL__00063.1788567119.jpg?c=1 "Garmin GMI 40 Protective Cover [010-12020-10]")
GMI 40 Protective Cover
Use Garmin's cover to protect your GMI 40 marine instrument from the harsh marine environment when not in use.
![Garmin GMI 40 Protective Cover [010-12020-10]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/1280x1280/products/47804/66295/115770XL__00063.1788567119.jpg?c=1 "Garmin GMI 40 Protective Cover [010-12020-10]")
![Garmin GMI\/GNX Protective Cover [010-12020-00]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/6895/7955/66075XL__23638.1638246999.jpg?c=1 "Garmin GMI\/GNX Protective Cover [010-12020-00]")
Garmin
Garmin GMI/GNX Protective Cover [010-12020-00]
GMI/GNX Protective CoverUse our protective cover to protect your device from the harsh marine environment when not in use.WARNING: This product can expose you to chemicals which are known to the...
$14.99
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![Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/47805/66296/115772XL__28176.1788567122.jpg?c=1 "Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]")
Garmin
Garmin GMI 20 to GMI 40 Adapter Plate [010-12993-20]
GMI™ 20 to GMI 40 Adapter PlateThis adapter plate allows you to install a new GMI 40 marine instrument into the existing cutout of a GMI 20 in your dash.
$19.99
![Garmin GMI 40 Marine Instrument Display [010-03411-00]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/47798/66287/115764XL__56798.1788567104.jpg?c=1 "Garmin GMI 40 Marine Instrument Display [010-03411-00]")
Garmin
Garmin GMI 40 Marine Instrument Display [010-03411-00]
GMI 40 Marine Instrument DisplayGMI 40 is the compact, easy-to-use multipurpose marine instrument that provides real-time data from your compatible devices on its high-resolution touchscreen display...
$599.99
![Garmin GMI 40 Wired Sail Pack - 52mm - GMI 40 Marine Instrument; gWind Wired DST820 Transducers [010-03411-10]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/47799/66290/115765XL__14371.1788567107.jpg?c=1 "Garmin GMI 40 Wired Sail Pack - 52mm - GMI 40 Marine Instrument; gWind Wired DST820 Transducers [010-03411-10]")
Garmin
Garmin GMI 40 Wired Sail Pack - 52mm - GMI 40 Marine Instrument; gWind Wired DST820 Transducers [010-03411-10]
GMI 40 Wired Sail Pack - 52mm - GMI 40 Marine Instrument; gWind™ Wired & DST820 TransducersGMI 40 is the compact, easy-to-use multipurpose marine instrument that provides real-time data from your...
$1,499.99
![Garmin GMI 40 Wireless Wind Pack - GMI 40 Wind Instrument; gWind Wireless 2 Transducer [010-03411-60]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/47803/66294/115769XL__69492.1788567117.jpg?c=1 "Garmin GMI 40 Wireless Wind Pack - GMI 40 Wind Instrument; gWind Wireless 2 Transducer [010-03411-60]")
Garmin
Garmin GMI 40 Wireless Wind Pack - GMI 40 Wind Instrument; gWind Wireless 2 Transducer [010-03411-60]
GMI™ 40 Wireless Wind Pack - GMI 40 Wind Instrument; gWind™ Wireless 2 TransducerGMI 40 is the compact, easy-to-use multipurpose marine instrument that provides real-time data from your compatible...
$1,099.99