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Marine Navigation & Instruments

Marine Navigation Instruments provide the accurate data and dependable performance boaters rely on to navigate with confidence in changing conditions. Featuring intuitive displays, precise measurements, and rugged construction built to withstand harsh marine environments, today's navigation instruments make it easier to monitor critical vessel information at a glance. From depth, speed, and wind instruments to compasses, multifunction displays, and integrated navigation systems, these advanced solutions help improve situational awareness and support safer, more informed decisions on the water. Whether you're cruising coastal waters, sailing offshore, or competing on the racecourse, premium marine navigation instruments deliver the accuracy and reliability trusted by experienced boaters worldwide. Explore our selection of marine navigation instruments and let our experts help you choose the right equipment for your vessel and your next adventure.

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  • SI-TEX 15' Extension Cable - 8-Pin [810-15-CX]
    SI-TEX

    SI-TEX 15' Extension Cable - 8-Pin [810-15-CX]

    $98.43
    $115.82
    $98.43
    15' Extension Cable - 8-PinSI-TEX Extension CableFeatures: 15' 8-Pin Specifications: Type: Extension Box Dimensions: 1"H x 8"W x 8"L WT: 0.5 lbs UPC: 010407330723
    $98.43
    $115.82
    $98.43
  • Airmar B175M Bronze 12 Degree Thru-Hull 1kW f/Garmin w/8-Pin Connector [B175C-12-M-8G]
    Airmar

    Airmar B175M Bronze 12 Degree Thru-Hull 1kW f/Garmin w/8-Pin Connector [B175C-12-M-8G]

    $1,882.04
    $2,070.25
    $1,882.04
    B175M Bronze 12 Degree Thru-Hull 1kW for Garmin with 8-Pin ConnectorThe B175M’s medium frequency delivers the right combination of coverage under the boat, extended depth range, and the ability to produce clean and accurate target and structure returns in mid to deeper water. Medium...
    $1,882.04
    $2,070.25
    $1,882.04
  • Navico xSonic TM150M Transom Mount Transducer - 9-Pin 10M Cable [000-13944-001]
    Navico

    Navico xSonic TM150M Transom Mount Transducer - 9-Pin 10M Cable [000-13944-001]

    $615.27
    $0.00
    $615.27
    xSonic TM150M Transom Mount Transducer - 9-Pin 10M CableAs CHIRP continues to re-define recreational fishing, AIRMAR has expanded the lineup of broadband transducers to satisfy the growing demand for this game changing technology. The TM150M economical CHIRP transducers designed for offshore fishing and freshwater...
    $615.27
    $0.00
    $615.27
  • Airmar DT800 NMEA 2000 Thru-Hull Tilted Element Smart Sensor - 20 [DT820PV-235-N2]
    Airmar

    Airmar DT800 NMEA 2000 Thru-Hull Tilted Element Smart Sensor - 20 [DT820PV-235-N2]

    $579.08
    $636.99
    $579.08
    DT800 NMEA 2000 Thru-Hull Tilted Element Smart Sensor - 20° Function: Depth / Temperature, Material: Plastic, Fixed Tilt Angle: 20° Frequency: 235 kHz, Cone: 12°, Power: 100 Watts RMS Connector: 5-Pin NMEA 2000 Features: Low-profile, retractable, thru-hull transducer offers depth and temperature functions in...
    $579.08
    $636.99
    $579.08
  • Airmar B175M Bronze Thru Hull 12 Tilt - 1kW - Requires Mix and Match Cable [B175C-12-M-MM]
    Airmar

    Airmar B175M Bronze Thru Hull 12 Tilt - 1kW - Requires Mix and Match Cable [B175C-12-M-MM]

    $1,686.60
    $1,867.56
    $1,686.60
    B175M Bronze Thru Hull 12° Tilt - 1kWRequires Mix and Match CableRely on Airmar’s broadband transducers for your ultimate fishing mission. Whether you’re a commercial fisherman, charter captain, or tournament angler, there’s a new game in town! Chirp transducers enable bottom detection down to...
    $1,686.60
    $1,867.56
    $1,686.60
  • Airmar B175HW Bronze Thru Hull 12 Tilt - 1kW - Requires Mix and Match Cable [B175C-12-HW-MM]
    Airmar

    Airmar B175HW Bronze Thru Hull 12 Tilt - 1kW - Requires Mix and Match Cable [B175C-12-HW-MM]

    $2,555.24
    $2,823.07
    $2,555.24
    B175HW Bronze Thru Hull 12° Tilt - 1kWRequires Mix and Match CableGet more coverage under the boat with Airmar's new wide beam Chirp product line. Offering a high frequency range of 150-250 kHz and a constant 25° beam width, these transducers are truly broadband...
    $2,555.24
    $2,823.07
    $2,555.24
  • Airmar 75WR-1 Crows Foot Transducer Wrench [75WR-1]
    Airmar

    Airmar 75WR-1 Crows Foot Transducer Wrench [75WR-1]

    $47.76
    $52.12
    $47.76
    75WR-1 Crows Foot Transducer WrenchTransducer wrenches are available for all bronze low profile transducers. They are used to facilitate holding of the transducer and tightening of the hull nut. Wrenches are constructed of 3/16" thick mild steel. They can easily be bent or modified...
    $47.76
    $52.12
    $47.76
  • Airmar 75WR-4 Transducer Housing Wrench [75WR-4]
    Airmar

    Airmar 75WR-4 Transducer Housing Wrench [75WR-4]

    $53.55
    $53.57
    $53.55
    75WR-4 Transducer Housing WrenchA single-handed wrench that holds the main thru-hull housing via the 'wrench flats' on the side of the housing to facilitate tightening of the hull nut. Use wrench 75WR-2 or 75WR-3 for the hull nut.For use with: B75 SS75 Specifications: Type:...
    $53.55
    $53.57
    $53.55
  • Maretron Temperature Sensor f/ DCM100 [TR3K]
    Maretron

    Maretron Temperature Sensor f/ DCM100 [TR3K]

    $70.92
    $72.39
    $70.92
    The TR3K temperature probe is for use with the Maretron TMP100 Temperature Module (optional extra) or the DCM100 DC Monitor (it is included with the DCM100). This probe ends in a ring terminal and can be used to measure battery temperature or any other...
    $70.92
    $72.39
    $70.92
  • Lowrance HDI Skimmer 83/200 455/800 T/M Transducer [000-10976-001]
    Lowrance

    Lowrance HDI Skimmer 83/200 455/800 T/M Transducer [000-10976-001]

    $176.61
    $199.79
    $176.61
    HDI 83/200 455/800 Skimmer TransducerWorks w/ Elite-7 combo and fishfinder models, plus HDS Gen2 Touch fishfinder and combo modelsHDI Skimmer transducer 83/200/455/800kHz with built in temp. Includes mounting bracket and hardware. Cable Length 6m (20ft)Hybrid Dual Imaging (HDI) transducer (83/200/455/800) - The power of...
    $176.61
    $199.79
    $176.61
  • Maretron Current Transducer w/Cable f/ACM100 [M000630]
    Maretron

    Maretron Current Transducer w/Cable f/ACM100 [M000630]

    $118.70
    $123.06
    $118.70
    Current Transducer with CableMaretron's Current Transducer is specifically used with Maretron's ACM100 Alternating Current Monitor.Features:Includes CableWARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.
    $118.70
    $123.06
    $118.70
  • Maretron J2K100 Adapter Micro Female - Deutsche 4 Pin 2 Meter [MCF-2M-D4]
    Maretron

    Maretron J2K100 Adapter Micro Female - Deutsche 4 Pin 2 Meter [MCF-2M-D4]

    $125.94
    $130.30
    $125.94
    J2K100 Adapter Micro Female - Deutsche 4 Pin 2 MeterUse a Maretron J2K100 Adapter Micro Female Deutsche Cordset to attach the J2k100 directly into J1939 networks of compatible engines, transmissions, and gensets. Specifications: Connection Gender: Female Cable Length (Meters): 2m Box Dimensions: 1"H x...
    $125.94
    $130.30
    $125.94
  • Furuno NavPilot 711C Autopilot [NAVPILOT 711C]
    Furuno

    Furuno NavPilot 711C Autopilot [NAVPILOT 711C]

    $4,770.29
    $0.00
    $4,770.29
    NavPilot 711CIncludes: NavPilot 711C Control Unit FAP7002 Processor Unit FAP6112 Rudder Reference Unit PG700 Heading Sensor, NMEA 2000 Kick back, relax and let NavPilot steer you to your destination!FURUNO's NavPilot is a revolutionary autopilot with a sunlight viewable display designed for a variety of...
    $4,770.29
    $0.00
    $4,770.29
  • Simrad NSS 4-12 Suncover [000-16450-001]
    Simrad

    Simrad NSS 4-12 Suncover [000-16450-001]

    $59.34
    $0.00
    $59.34
    NSS 4-12 SuncoverProtect your Simrad NSS 4-12 from the elements with this suncover. Specifications: Type: Covers Box Dimensions: 2"H x 10"W x 16"L WT: 0.95 lbs UPC: 9420064137749
    $59.34
    $0.00
    $59.34
  • BG Suncover f/Triton2 Pilot OP12 Pilot Controller [000-13725-001]
    B&G

    BG Suncover f/Triton2 Pilot OP12 Pilot Controller [000-13725-001]

    $21.70
    $24.61
    $21.70
    Suncover for Triton2 Pilot & OP12 Pilot ControllerProtect your Triton² Pilot/OP12 controller with this sun cover
    $21.70
    $24.61
    $21.70
  • Furuno Hard Cover f/FCV-295 [100-343-822-10]
    Furuno

    Furuno Hard Cover f/FCV-295 [100-343-822-10]

    $70.94
    $0.00
    $70.94
    Hard Cover for FCV-295Furuno's hard cover/sun cover is specifically for the FCV-295.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
    $70.94
    $0.00
    $70.94
  • Digital Yacht LANLink NMEA 2000 To Ethernet Gateway [ZDIGLANLN2K]
    Digital Yacht

    Digital Yacht LANLink NMEA 2000 To Ethernet Gateway [ZDIGLANLN2K]

    $531.30
    $651.41
    $531.30
    LANLink NMEA 2000 To Ethernet GatewayMore and more boats now have a wireless router fitted or utilize services like Digital Yacht 4G Connect for internet connectivity. LANLink is an NMEA to ethernet gateway that enables the boat’s NMEA data to integrate into the router...
    $531.30
    $651.41
    $531.30
  • VDO ALAS Adjustable Fuel Sender - 6-3/4 to 23" - 10-184 Ohm [226-001]
    VDO

    VDO ALAS Adjustable Fuel Sender - 6-3/4 to 23" - 10-184 Ohm [226-001]

    $55.00
    $65.13
    $55.00
    ALAS Adjustable Fuel Sender - 6 to 3/4-23" - 10-184 OhmVDO ALAS 12/24 V adjustable swingarm senders are engineered for severe-duty use. The sender main body features a plated steel construction to help eliminate damage caused by fuel slosh. These units contain an SAE standard...
    $55.00
    $65.13
    $55.00
  • VDO Type E -Red LED Wedge Bulb [600-878]
    VDO

    VDO Type E -Red LED Wedge Bulb [600-878]

    $13.02
    $14.46
    $13.02
    Type E -Red LED Wedge Bulb Colored, long life LED bulbs are designed to fit in traditional wedge based bulb sockets. In addition to adding a dash of style, these LED bulbs draw less power, last 20,000 hours or more and operate at cooler...
    $13.02
    $14.46
    $13.02
  • Lowrance HDS PRO 12 w/Preloaded C-MAP DISCOVER OnBoard Active Imaging 3-in-1 Transom Mount Transducer [000-16521-001]
    Lowrance

    Lowrance HDS PRO 12 w/Preloaded C-MAP DISCOVER OnBoard Active Imaging 3-in-1 Transom Mount Transducer [000-16521-001]

    $4,878.85
    $0.00
    $4,878.85
    HDS PRO 12 with Preloaded C-MAP DISCOVER OnBoard & Active Imaging 3-in-1 Transom Mount TransducerSee more and catch more with the HDS PRO 12 fishfinder/chartplotter. Watch fish react to your lure live with support for high-resolution ActiveTarget® 2 Live Sonar, and find fish and...
    $4,878.85
    $0.00
    $4,878.85