Garmin

Garmin P319 Plastic Thru-Hull Depth/Temp - 8 Pin

SKU: 43551 · UPC: 753759971809 · MPN: 010-10194-21
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02 · Overview

Garmin P319 Plastic Thru-Hull Depth/Temp - 8 Pin — Product description

Discover Reliable Depth and Temperature Readings on the Water

Navigating open waters demands precision, especially when it comes to knowing the depth beneath your hull and the water temperature around you. The Garmin P319 plastic thru-hull transducer steps up as a dependable partner for boaters who prioritize accuracy during high-speed runs or leisurely cruises. Crafted from durable plastic, this sensor mounts seamlessly through the hull, delivering real-time data that integrates smoothly with your marine electronics setup.

Whether you're chasing fish in deeper waters or plotting a safe course through unfamiliar shallows, its dual-frequency capability captures everything from shallow bays to impressive depths. Boaters rave about its stability at speed, minimizing interference from boat wake or choppy conditions for cleaner, more trustworthy readings.

Key Performance Highlights for Everyday Boating Adventures

  • Deep Water Capability: Handles depths from shallow zones up to 800-1,200 feet, ideal for offshore excursions or coastal explorations.
  • Dual Frequency Operation: Switches effortlessly between 50 kHz for wide-area scanning and 200 kHz for detailed bottom structure, helping you spot wrecks, drop-offs, and schools of fish.
  • High-Speed Performance: Maintains consistent signals even as your vessel planes, ensuring you never lose critical data when it matters most.
  • Temperature Sensing: Built-in thermistor provides instant water temp updates, perfect for adjusting trolling speeds or monitoring thermoclines during fishing trips.
  • Versatile Hull Compatibility: Fits hulls with 0-7 degree deadrise angles, commonly found on fiberglass and aluminum boats for straightforward installations.

With a robust 600-watt power output and a generous 33-foot cable, this transducer offers flexibility in routing wires through tight spaces without signal loss. Its beamwidth—wide at lower frequencies for coverage, narrow at higher for precision—adapts to your boating style, from recreational angling to serious navigation.

Streamlined Installation for Quick Setup

Setting up your thru-hull transducer doesn't have to be a headache. Start by selecting a flat mounting spot forward of the propeller, away from strakes or thru-hulls that could disrupt water flow. Drill a precise 2-inch hole, bed the transducer in marine sealant, and secure it with the included hardware. The 8-pin connector plugs directly into compatible Garmin units, though you might need an adapter for older 6-pin models.

Pro tip: Fair the housing to match your hull's deadrise for optimal water entry angle, reducing cavitation and bubbles that muddy readings. Test in shallow water post-install to calibrate and fine-tune your display settings for peak performance.

Why Boaters Trust This Transducer for Long-Term Reliability

In the world of marine sensors, consistency beats flash every time. This model shines in real-world scenarios: trailered boats enduring road vibrations, saltwater exposure on extended voyages, or freshwater lakes demanding sensitivity. Its plastic construction resists fouling better than some metals, while the integrated design keeps wiring clean and protected.

Pair it with modern Garmin multifunction displays, and you'll unlock layered sonar views, fish symbols, and contour mapping that elevate your on-water decision-making. Anglers appreciate how it reveals bottom hardness variations, signaling prime baitfish holding spots, while cruisers value the peace of mind from accurate depth alarms.

Maintenance Tips to Keep Readings Crystal Clear

A little care goes a long way. After each outing, rinse with fresh water to flush salt or debris. Inspect the face for growth—gently clean with a soft brush and non-abrasive cleaner. During haul-outs, check seals and fasteners for wear. Avoid wooden hulls, as they can transmit vibrations that skew data. With proper upkeep, expect years of solid service.

Frequently Asked Questions

What types of boats is the Garmin P319 transducer best suited for?

It's optimized for fiberglass and metal hulls with 0-7 degree deadrise angles. Avoid installing on wooden hulls to prevent inaccurate readings from hull flex.

Does this transducer work at high boat speeds?

Yes, its thru-hull design excels at speeds where in-hull or transom mounts falter, providing stable depth and temp data without interference from waves.

What frequency options does it support?

Dual-band 50/200 kHz operation lets you choose wide coverage for searching or narrow focus for detailed bottom contours and fish arches.

How deep can it detect?

Effective from surface levels up to 800-1,200 feet, making it versatile for lakes, rivers, coastal bays, and offshore ventures.

Is a temperature sensor included?

Absolutely— the integrated temp probe delivers precise water temperature readings, essential for fishing strategies and engine performance monitoring.

What cable length comes with it?

A 33-foot cable provides ample reach for routing to your helm station, even on larger vessels.

Does it require any special adapters for Garmin units?

It uses an 8-pin connector standard on newer Garmin sounders. For 6-pin models, a simple adapter ensures compatibility.

Garmin make products that are engineered on the inside for life on the outside. We bring GPS navigation and wearable technology to the automotive, aviation, marine, outdoor and fitness markets. We believe every day is an opportunity to innovate and a chance to beat yesterday. We offer products with essential utility, leading-edge technologies, compelling features, and exceptional ease-of-use to create clear differentiators our customers appreciate and desire.

Garmin 101019421 Attributes

  • Mounting Location: Thru-Hull Mount
  • Number Of Pins: 8 Pin
  • Depth: 800 To 1200 Feet
  • Power Rating: 600 Watt
  • Frequency Range: 50/200 kHz
  • Supported Angle: 0 To 7 Degree Deadrise
  • Cable Length: 33 Feet

Garmin 101019421 Features & Benefits

  • Plastic Thru-Hull Mount Transducer Performs Well At High Speeds
  • Excellent Choice For Fiberglass And Metal Hulls
  • 8-Pin 600 Watt Transducer Has A Depth Of 800 To 1,200 Feet
  • Transducer Kit Comes With Installation Instructions
  • Transducer Supports A 0 To 7 Degree Deadrise
  • Limited 1 Year Warranty

Garmin 101019421 Warranties


Airmar P319 200/50kHz Plastic Thru-hull Transducer (8-pin)
010-10194-21

This plastic thru-hull mount transducer performs well at high speeds.

An excellent choice for fiberglass and metal hulls, this 8-pin 600 W transducer has a depth of 800 to 1,200 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 45 to 12 degrees; and a 0 to 7 degree deadrise.

Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat.

Do not use on wood hulls.

When using with a 6-pin Garmin sounder, transducer adapter cable part number 010-11612-00 is required.


This 8-pin 600 W transducer is an excellent choice for fiberglass and metal hulls. It has a depth of 800 to 1,200 ft, an operating frequency of 50 to 200 kHz, and a beam width of 45 to 12...
SKU: NVN-43551
MPN: 010-10194-21
UPC: 753759971809
03 · The numbers

Technical specifications

BrandGarmin
ModelGarmin P319 Plastic Thru-Hull Depth/Temp - 8 Pin
SKU / MFR#43551

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04 · Before you buy

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05 · Customer voices

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