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Garmin ECHOMAP Plus 43cv LakeV G3 w/GT20-TM Transducer

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Starting At: $299.99
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ECHOMAP™ Plus 43cv LakeVü G3 with GT20-TM Transducer 

A Great Addition to Any Fishing or Boating Trip

  • Bright, sunlight-readable 4.3” combo
  • Includes GT20 transducer for Garmin CHIRP traditional sonar plus CHIRP ClearVü scanning sonar with transom and trolling motor mounts
  • Preloaded LakeVü g3 maps with integrated Navionics® data cover more than 17,000 lakes with up to 1’ contours
  • Built-in Quickdraw Contours mapping software instantly creates personalized fishing maps on-screen with 1’ contours as you fish
  • Share waypoints and routes with other ECHOMAP™ or STRIKER™ units

This compact combo has lots of built-in benefits. Easy-to-install and even easier to use, it has a bright screen 4.3” display that is easy to read on a sunny day on the water. It includes a GT20 transducer for traditional Garmin CHIRP sonar that delivers remarkable target separation and CHIRP ClearVü scanning sonar for nearly photographic images of what’s below the boat. It comes preloaded with LakeVü g3 maps with integrated Navionics data, covering more than 17,000 lakes with up to 1’ contours. Plus, it has Quickdraw Contours mapping software to instantly create personalized fishing maps on-screen with 1’ contours as you fish. You own these maps. They are yours to keep private or share with the Quickdraw Community on Garmin Connect™. Plus, you can share waypoints and routes with other ECHOMAP or STRIKER units. It also features a quick-release mount allowing you to quickly install and remove your device from power and mount. Transom and trolling motor mounts included. 

The Garmin CHIRP Difference

The built-in sonar capabilities of ECHOMAP Plus 43cv include our CHIRP traditional sonar, one of the most sophisticated sonar technologies available for the fishing and boating public. CHIRP traditional sonar provides amazingly clear target separation and definition, because it puts even more energy onto the target than traditional sonar. It also provides traditional sonar support for Minn Kota® and MotorGuide® trolling motors with integrated transducers.

Clear Scanning Sonar Images

Garmin CHIRP ClearVü scanning sonar gives you a nearly photographic image of what’s below your boat. You clearly see structure, submerged objects and fish. Garmin CHIRP traditional sonar and CHIRP ClearVü scanning sonar are combined into 1 transducer.

Preloaded LakeVü g3 Maps

These highly detailed freshwater maps with integrated Navionics data cover more than 17,000 U.S. lakes, rivers and reservoirs with up to 1’ contours. LakeVü g3 maps give you excellent detail of underwater features, plus Shallow Water Shading allows you to designate a minimum depth. It also shows interstates, general roads and bridges, designated fishing areas, boat ramps, marinas and campgrounds.

Quickdraw Contours to Create Your Own Maps

Instantly create personalized fishing maps on-screen with 1’ contours as you fish. Tailor them to fit your needs. These are your maps — you own them. Keep the data to yourself, or share it with the Quickdraw Community on Garmin Connect™.

Upgrade to Our Best Maps on the Water

Step up to LakeVü g3 Ultra freshwater maps featuring Garmin Elite survey lakes, or select BlueChart® g3 or premium BlueChart® g3 Vision1 coastal charts, all with integrated Navionics data, Auto Guidance2 technology and other great features. A single microSD™ card slot provides expandable memory for accessory map purchases. Or purchase maps with OneChart through the ActiveCaptain®  app, and automatically sync with your compatible chartplotter, eliminating the need for an SD™ card.

Take Your ECHOMAP Plus with You

When you’re off the water, it’s easy to keep your ECHOMAP Plus combo safe and secure. You don’t have to mess with plugging and unplugging wires from the unit because the cords plug directly into the mount. This allows you to quickly install and remove your ECHOMAP Plus from power and the mount.


  • Transducer pin numbers: 4
  • NMEA 0183 input ports: 1
  • NMEA 0183 output ports: 1

In the box:

  • ECHOMAP Plus 43v with LakeVü g3 for U.S.
  • GT20-TM transducer
  • Power/data cable
  • Tilt/swivel mount with quick release cradle
  • Flush mount
  • Hardware
  • Documentation

¹This model does not support 3-D mapping views on BlueChart g2 Vision HD
²Auto Guidance is for planning purposes only and does not replace safe navigation operations.

Wi-Fi® is a registered trademark of the Wi-Fi Alliance.

WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to


  • Included Transducer: GT20
  • Cartography Brand: Garmin
  • Transducer Included: Yes
  • Touchscreen: No
  • Screen Size: 4"
  • Box Dimensions: 5"H x 9"W x 12"L WT: 3.5 lbs
  • UPC: 753759213695

Owner's Manual (pdf)
Brochure (pdf)

California Residents: warning sign WARNING Cancer and Reproductive Harm -



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