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Garmin GPSMAP 492 – For Sale
• New / Used Garmin 492 •
5″ Color Chartplotter | Internal 12 Channel GPS » WAAS Capable » Pre-loaded BlueChart g2 Coastal Maps with U.S. Tides
—
Blackbox Sonar Support » Multi-Unit Capable
December 6, 2023 8:05 pm EST
Garmin 492 Specifications
Dimensions | 6.3″ x 6.2″ x 3.1″ |
Weight | 2.0 lb (908 g) |
Waterproof | IPX7 |
Display Type | 256-color TFT |
Display Size |
3.0″ x 4.0″, 5.0″ diagonal
|
Display Resolution | 234 x 320 pixels |
Mounting Options |
Bail with Swivel or Flush
|
Accepts Data Cards |
1 Garmin Data Card
|
Waypoints | 3,000 |
Navigation Routes | 50 |
Receiver | GPS Receiver |
NMEA 0183 Compatible | Yes |
AIS | Yes |
DSC | Yes |
GSD Black Box Sonar Support | Yes |
NMEA0183 Input Ports | 1 |
Video Input Ports | None |
Video Output Ports | None |
Garmin Marine Network Ports | None |
• Current Listings •
Garmin GPSMAP 492 – Show All Listings
Garmin GPSMAP 492 Replacement | Upgrade | Best Price
Downloadable

Garmin 492 – Features
Performance
- 256 Color Screen
- 12-channel GPS for fast, accurate positioning
- WAAS Capable – for better accuracy
- Waterproof to IPX7
- Internal antenna with external connection
- Ports – NMEA in/1 | out/1
- Garmin Data Card slot – 1
Navigating & Plotting
- 3000 alphanumeric waypoints | selectable icons | comments | depth | water temp
- Built-in BlueChart g2 Maps
- Additional maps using Garmin’s MapSource & BlueChart g2™ Data Cards
- 50 reversible routes with up to 300 points each
- TracBack route feature to quickly retrace your track to a starting position
- Track Log – 10,000 points | 15 Saved Tracks
- Built-in simulator mode
- Built-in tide information from over 3,000 tide stations around the U.S.A. coastline, Alaska, Hawaii, western Canada, and several of the Caribbean islands
Fishfinder
- Garmin Sonar Compatible – with (GSD 20, 21, or 22) Black Box Sounder

Garmin GPSMAP 492

Garmin GPSMAP 492 – Power Connection
Power/Data Connections – The power/data cable connects the GPSMAP 492 to a DC system and provides interface capabilities for connecting external devices.
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- GPSMAP - 721xs • 741xs
- GPSMAP - 742xs • 942xs • 1242xsv
- GPSMAP - 7607xsv • 7608xsv
- GPSMAP - 7610xsv • 7612xsv • 7616sxv
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- GPSMAP - 8610xsv • 8612xsv • 8616xsv
- GPSMAP - 1020xs • 1040xs
- GPSMAP KeyPad - 1042xsv • 1242xsv
- echoMAP - 53dv • 54dv
- echoMAP - 73dv • 74dv • 73sv • 74sv
- echoMAP - 92sv • 93sv • 94sv
- echoMAP CHIRP - 94sv • 93sv
- echoMAP CHIRP - 74sv • 73sv
- echoMAP CHIRP - 74cv • 73cv
- ECHOMAP Plus - 94sv • 93sv
- ECHOMAP Plus - 74sv • 73sv • 74cv • 73cv
- ECHOMAP Plus - 64cv • 63cv
- ECHOMAP Plus - 44cv • 43cv
- ECHOMAP UHD - 94sv • 93sv
- ECHOMAP UHD - 74sv • 73sv • 74cv • 73cv
- ECHOMAP UHD - 64cv • 63cv
- ECHOMAP Ultra - 126sv • 122sv
- ECHOMAP Ultra - 106sv • 102sv
- STRIKER - 4cv • 5cv • 5dv
- STRIKER - 7sv • 7cv • 7dv
- STRIKER Plus - 4 • 4cv • 5cv
- STRIKER Plus - 7cv • 7sv • 9sv