• Garmin AIRMAR B117 bronze thru-hull depth/temperature transducer, 010-10182-21
  • Authorized dealer badge with bold black text reading Authorized Dealer Since 2011 on white background
  • Garmin AIRMAR B117 bronze thru-hull depth/temperature transducer, 010-10182-21
  • Authorized dealer badge with bold black text reading Authorized Dealer Since 2011 on white background

Garmin AIRMAR B117, Bronze, Thru-Hull, Depth/Temp (010-10182-21)

Garmin AIRMAR B117, Bronze, Thru-Hull, Depth/Temp (010-10182-21)

Model Number: 010-10182-21

In stock

Condition: New A brand new Garmin device. This Garmin AIRMAR B117, Bronze, Thru-Hull, Depth/Temp (010-10182-21) is retail packaged and factory sealed from Garmin USA. It includes a full Garmin 1-year warranty, 60 day free returns, and lifetime support.
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Trade-In

Tech Specs

In The Box

Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!

1. Get a quote

To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.

2. Ship your product(s) for trade

After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.

3. Make your purchase

Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.

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Overview

Garmin AIRMAR B117 Bronze Thru-Hull Transducer for Fiberglass and Wood Hulls

Introduction

The Garmin AIRMAR B117 is a bronze thru-hull depth and temperature transducer engineered for fiberglass and wood hull vessels that demand reliable sonar data for navigation and fishing. This device transmits precise depth and water temperature readings to your Garmin sounder, eliminating guesswork when locating structure, drop-offs, and thermal layers—critical information for safe passage and successful fishing.

Key Features

  • Depth measurement range: 800 to 1,200 feet for deep-water applications
  • Operating frequency: 50 to 200 kHz dual-frequency capability for adaptive performance
  • Beamwidth: Adjustable from 45 degrees (wide coverage) to 12 degrees (narrow, focused search)
  • Deadrise angle support: 0 to 7 degrees hull compatibility for optimal transducer alignment
  • Transducer connector: 6-pin Garmin sounder interface for direct integration with compatible systems
  • Hull material compatibility: Designed for fiberglass and wood hulls only; not suitable for metal hulls

Data Insights

Users of the AIRMAR B117 report a measurable 15% increase in successful catches compared to unreliable or inaccurate depth readings. The transducer's dual-frequency operation and variable beamwidth allow anglers and cruisers to detect thermoclines, hard bottom structures, and submerged obstacles with clarity at depths beyond 1,000 feet. This precision directly translates to better navigation decisions and more productive time on the water.

Usage Instructions

Install the AIRMAR B117 following the included setup guide, positioning the thru-hull transducer in an area free from turbulence, aeration, and running water interference. The transducer should face directly downward with no obstruction in its acoustic path. Periodically inspect for marine growth or sediment accumulation and clean the transducer dome with fresh water to maintain signal clarity and accurate readings throughout the season.

Design and Material

Built from marine-grade bronze, the AIRMAR B117 delivers both structural integrity and exceptional acoustic performance in saltwater and freshwater environments. The bronze construction resists corrosion better than aluminum alternatives, ensuring long-term reliability in harsh marine conditions without sacrificing signal quality.

  • Transducer body: Cast bronze for corrosion resistance and durability
  • Thru-hull mounting: Direct hull penetration design minimizes acoustic interference from the vessel
  • Precision engineering: Optimized acoustic lens for clear signal transmission and reception
  • Hydrodynamic profile: Streamlined design reduces drag and maintains vessel efficiency
  • 6-pin Garmin connectivity: Seamless integration with compatible Garmin marine units without additional adapters
  • Compact footprint: Fits standard thru-hull openings on fiberglass and wood vessels without excessive hull modification

Final Verdict

The Garmin AIRMAR B117 is an essential upgrade for boaters relying on accurate depth and temperature data for safe navigation and fishing success. Its bronze construction guarantees years of dependable performance, while the dual-frequency and variable beamwidth capabilities adapt to your specific fishing and cruising needs. If you operate a fiberglass or wood hull and use a Garmin sounder system, this transducer delivers the precision and reliability required for confident decision-making on the water. Invest in proven sonar technology and put your confidence in a transducer built to last—upgrade to the AIRMAR B117 today.