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How to find the Unit ID, Serial Number or Part Number on a Garmin® Marine Device
When contacting Garmin® Marine Product Support, the UNIT ID or serial number may be needed. For the best possible support experience, Registering Garmin Devices and Charts is advised. The UNIT ID or serial number provide Garmin Marine Product Support with information specific to your manufactured device. Serial numbers are physically located on the device. If the device is on the vessel, the box the device came in may also have a sticker that has the serial number on it. In some instances, the UNIT ID may be more accessible. Most devices with a display will have a UNIT ID programmed in that is accessible via the menus of the device.
| NOTE: Serial numbers are generally small and may require either a magnifying glass or a camera's zoom feature to see. If the serial number cannot be read, but has a powered display, the UNIT ID can be access Location of the UNIT ID in the menus and serial number on the device varies by device. |
| NOTE: VHF/AIS radios, certain autopilot pumps and components, etc. may not allow for registration to a Garmin account (done via ActiveCaptain™ or Garmin Express™; see Related Content below), or pull-up when searched for in certain Garmin® applications used by Product Support. |
Garmin accessories such as extension cables, power cables, various network cables etc. do not have a serial number, and will also not have a UNIT ID. In such cases, a Garmin Part Number may be on the product tag or somewhere on the product itself; some Garmin parts may not have a visible part number; in which case Garmin Product Support . Unlike UNIT ID numbers and serial numbers, part numbers are not unique (eg. mounts, protective covers all have the same part number and there is no way to know which specific product was manufactured or what device it was specifically included with).
To locate the UNIT ID or serial number, follow the instructions listed below for a given device:
Chartplotters
Legacy GPSMAP® Chartplotters
UNIT ID: Legacy GPSMAP series chartplotter: Select Configure/Settings > System > System Information the unit id displays on this screen.
Serial Number: Located on back of unit
Current Model GPSMAP Chartplotters
UNIT ID: Select Options > Settings > System > System Information > Software Information the unit id displays on this screen.
Serial Number: Located on back of unit
ECHOMAP & Legacy echoMAP Chartplotters
Unit ID: Select Settings > System > System Information > Software Information
Serial Number: Located on back of unit, and if a mount is snapped in, the mount must be removed from the display to see
NMEA 2000 Devices & Marine Network Devices
NMEA 2000 Devices (GPS Antennas, Heading Sensors, Legacy GXM antennas etc.)
Accessing the UNIT ID via compatible Chartplotter: Select Options > Settings > System > System Information > Garmin Devices
Accessing the UNIT ID via a legacy chartplotter: Select Configure > System > System Information > Garmin Devices
Serial Number: Located on the back or bottom of unit
Marine Network Devices
UNIT ID: Select Options > Settings > System > System Information > Software Information the unit id displays on this screen.
Serial Number: Located on the back or bottom of unit, or in some cases on the face where cables connect
ECHOMAPS™ & Strikers™
Echo Series
UNIT ID: Any echo series fishfinder: Select Menu > Setup > System > System Information. The unit id displays on this screen.
Serial Number: Located on back of unit
STRIKER series
UNIT ID: Press the Menu button (3 lines button) > System > System Information > Software Information. The unit displays on this screen.
Serial Number: Located on the back of the unit, and in some cases a mount may be snapped into and over where the serial number is located.
Handhelds & Wearables
UNIT ID on handhelds and wearables:
For handhelds, press and or navigate to and go in to the main Menu (button pressed twice on some units) > Setup > About
For wearables hold down Menu > navigate down into the Settings section > System > About
Serial number on handheld & wearables:
Devices with removable batteries generally have the serial number located under where the batteries are installed
Devices with built-in batteries have the serial number located on the back or bottom of the unit
Wearable devices will have the serial number under the quick release watch band at the bottom of the watch
Autopilots
GHC™ 10/20
Unit ID: Press Menu > Setup > System > System Information
Serial Number: Located on back of unit
GHC™ 50
UNIT ID: Press ••• > select Global Settings > System > System Information > Software Information
Serial Number: Located on back of unit
Reactor™ & Reactor 40 CCU
Accessing the UNIT ID via compatible Chartplotter: Select Options > Settings > System > System Information > Garmin Devices
Accessing the UNIT ID via GHC 10/20 or GHC 50: See GHC 10/20 or GHC 50 instructions above
Serial Number: Located on front of unit where cables connect
ECU™ 10, Compact Reactor ECU 10, ECU™12 & ECU™ 14
UNIT ID: See GHC 10/20 or GHC 50 instructions above
Serial Number: Located on back of unit
NOTE: The serial numbers on Garmin Autopilot pumps are not used. The exception to this is the serial number on the ECU 14 which is attached to the SmartPump & SmartPump V2.
Force® Trolling Motor & Accessories
Trolling Motor
UNIT ID: Using the floating remote control press Menu button (3 lines bar) > go down to About and press the right arrow > press the down arrow
Serial Number: Located on the inner curved portion of the servo housing across from the bottom of the mount visible only when the trolling motor is in the deployed position
Floating Remote Control
UNIT ID: Not Accessible
Serial Number: Batteries must be removed
Wireless Foot Pedal
UNIT ID: Not Accessible
Serial Number: Located on bottom of foot pedal
Marine Instrument Displays
GMI™ Series
UNIT ID: Press Center Soft Key > Setup > System > System Information
Serial Number: Located on back of unit
GNX™ series
UNIT ID: Press Menu button (3 lines bar) > Setup > System > System Information.
NOTE: If the lock symbol is displayed, press and hold the up and down arrows until it changes and scroll down to locate the unit id.
Serial Number: Located on back of unit