Skip to product information
1 of 1
1 product view Open images for a closer look Compare photos with product details

Garmin

Garmin GST 43 Thru-Hull Speed/Temperature Transducer with GST 10, NMEA 2000

Garmin GST 43 Thru-Hull Speed/Temperature Transducer with GST 10, NMEA 2000

SKUCT-120139

Regular price $203.48
Regular price Sale price $203.48
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Gain precise control over your vessel's performance with the Garmin GST 43 Thru-Hull Speed/Temperature Transducer. This essential marine instrument accurately monitors water speed and temperature, providing critical data directly to your NMEA 2000® network. Bundled with the GST 10 adapter, it seamlessly converts analog signals for display on compatible Garmin chartplotters and instrument displays, ensuring you have real-time information at your fingertips. Upgrade your vessel's capabilities today for smarter navigation and enhanced safety.

In the Box:

  • Garmin GST 43 Thru-Hull Speed/Temperature Transducer
  • Garmin GST 10 NMEA 2000 Adapter

Key Benefits & Features:

  • Accurate Data Monitoring: Provides precise readings for water speed and temperature.
  • Thru-Hull Design: Offers reliable, flush-mount installation for optimal performance.
  • NMEA 2000® Integration: The included GST 10 adapter converts analog signals to NMEA 2000® for broad compatibility with modern marine electronics.
  • Retrofit Capability: Designed to easily retrofit existing Nexus 43mm thru-hull transducer (TH43) installations.
  • Wide Compatibility: Displays information on compatible Garmin chartplotters or instrument displays.
  • Robust Construction: Engineered for durability in demanding marine environments.

Specifications:

  • Mounting Style: Thru-Hull
  • Hull Thickness Compatibility: Minimum 6 mm (0.24 in.) to Maximum 42 mm (1.65 in.)
  • Speed Range: 0.2 to 30 knots (Max. 90 knots depending on transducer type)
  • Speed Accuracy: ± 1%
  • Transducer Cable Length: 6 m (19.7 ft)
  • Power Input: 12 Vdc (From 10 to 16 Vdc)
  • Power Consumption: 0.06 W

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 P65Warnings.ca.gov.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.

View full details