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Marine Navigation & Instruments - NMEA Cables & Sensors

Connect and optimize your onboard electronics with premium NMEA cables and sensors designed for reliable communication between marine navigation systems. Essential for integrating GPS units, chartplotters, fish finders, autopilots, radar systems, and other marine electronics, quality NMEA components help ensure accurate data sharing and seamless system performance. Built for demanding freshwater and saltwater environments, our collection features durable cables, connectors, adapters, networking components, and sensors engineered to withstand moisture, vibration, corrosion, and harsh marine conditions. Browse NMEA 2000 cables, NMEA 0183 cables, backbone components, power cables, temperature sensors, speed sensors, and replacement accessories for a wide range of marine applications. Designed for easy installation and dependable operation, these products help maximize the functionality of your onboard technology while improving navigation and monitoring capabilities. Featuring trusted marine brands recognized for quality and innovation, our Marine Navigation Instruments – NMEA Cables & Sensors collection delivers reliable solutions for modern vessels. Shop today with confidence.

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  • Raymarine 400MM Backbone Cable f/SeaTalkng [A06033]
    Raymarine

    Raymarine 400MM Backbone Cable f/SeaTalkng [A06033]

    $65.09
    $0.00
    $65.09
    Backbone Cables In a SeaTalkng installation, a backbone cable runs through the length of the boat. Individual devices connect to the backbone by spur cables that run to T-pieces on the backbone. The backbone carries both data and power to attached devices. The backbone...
    $65.09
    $0.00
    $65.09
  • Raymarine ST-Ng to DeviceNet Male [A80674]
    Raymarine

    Raymarine ST-Ng to DeviceNet Male [A80674]

    $72.32
    $0.00
    $72.32
    ST-Ng to DeviceNet MaleSeaTalkng backbone cable to DeviceNet (Male) - 400mm
    $72.32
    $0.00
    $72.32
  • Raymarine ST-Ng to DeviceNet Female [A80675]
    Raymarine

    Raymarine ST-Ng to DeviceNet Female [A80675]

    $72.32
    $0.00
    $72.32
    ST-Ng to DeviceNet FemaleSeaTalkng backbone cable to DeviceNet (Female) - 400mm
    $72.32
    $0.00
    $72.32
  • Raymarine E22158 SeaTalk 1 to SeaTalkng Converter Kit [E22158]
    Raymarine

    Raymarine E22158 SeaTalk 1 to SeaTalkng Converter Kit [E22158]

    $195.29
    $0.00
    $195.29
    SeaTalk 1 to SeaTalkng Converter KitThe SeaTalk 1 to Seatalkng converter allows select SeaTalk 1 devices to interface and communicate on the Raymarine SeaTalkng data network. It is compatible with legacy ST40, ST60+, Raystar 125 GPS sensors and LifeTag Wireless Man Overboard Systems. The...
    $195.29
    $0.00
    $195.29
  • Raymarine 3M Backbone Cable f/SeaTalkng [A06035]
    Raymarine

    Raymarine 3M Backbone Cable f/SeaTalkng [A06035]

    $79.56
    $0.00
    $79.56
    Backbone Cables In a SeaTalkng installation, a backbone cable runs through the length of the boat. Individual devices connect to the backbone by spur cables that run to T-pieces on the backbone. The backbone carries both data and power to attached devices. The backbone...
    $79.56
    $0.00
    $79.56
  • Maretron Fuel Flow Sensor - 2-100 LPH [M1AR]
    Maretron

    Maretron Fuel Flow Sensor - 2-100 LPH [M1AR]

    $1,025.72
    $1,113.98
    $1,025.72
    Fuel Flow Sensor - 2-100 LPHFeatures: Flow Range: 2 LPH to 100 LPH (0.53 GPH to 26.4 GPH) All M1AR fuel flow sensor accessories for the FFM100 are fitted with 1/4" NPT female threads Nominal K Factor: 1000 pulses/L (3785.4 pulses/Gal) Cable Length: 1m...
    $1,025.72
    $1,113.98
    $1,025.72
  • Digital Yacht NMEA 2000 1M Drop Cable [ZDIGN21M]
    Digital Yacht

    Digital Yacht NMEA 2000 1M Drop Cable [ZDIGN21M]

    $49.17
    $57.80
    $49.17
    NMEA 2000 1M Drop CableThis Digital Yacht cable is a 1m (3ft) NMEA 2000 drop cable made of metal connectors for maximum reliability. The drop cable allows users to expand the NMEA 2000 to whatever size is needed.*Digital Yacht “Drop Cables” can also be...
    $49.17
    $57.80
    $49.17
  • Raymarine 9M Backbone Cable f/SeaTalkng [A06068]
    Raymarine

    Raymarine 9M Backbone Cable f/SeaTalkng [A06068]

    $122.96
    $0.00
    $122.96
    Backbone Cables In a SeaTalkng installation, a backbone cable runs through the length of the boat. Individual devices connect to the backbone by spur cables that run to T-pieces on the backbone. The backbone carries both data and power to attached devices. The backbone...
    $122.96
    $0.00
    $122.96
  • Raymarine SeaTalkng Starter Kit [T70134]
    Raymarine

    Raymarine SeaTalkng Starter Kit [T70134]

    $195.29
    $0.00
    $195.29
    Raymarine SeaTalkng Starter Kit SeaTalkng is a robust cabling and connection system compatible with NMEA 2000, built specifically for the marine environment comprising a powered single backbone with two terminators, one at each end. The SeaTalk to SeaTalkng Starter Kit is the perfect way...
    $195.29
    $0.00
    $195.29
  • Raymarine 400MM Spur Cable f/SeaTalkng [A06038]
    Raymarine

    Raymarine 400MM Spur Cable f/SeaTalkng [A06038]

    $65.09
    $0.00
    $65.09
    Spur CableRaymarine 400MM Spur Cable for SeaTalkng Specifications: Cable Length (Meters): 400mm Box Dimensions: 1"H x 6"W x 7"L WT: 0.05 lbs UPC: 723193060384
    $65.09
    $0.00
    $65.09
  • Digital Yacht NavAlarm NMEA 2000 Audio Alarm [ZDIGNALARM]
    Digital Yacht

    Digital Yacht NavAlarm NMEA 2000 Audio Alarm [ZDIGNALARM]

    $271.97
    $332.73
    $271.97
    NavAlarm NMEA 2000 Audio AlarmFeatures: Universal NMEA 2000 alarm – guaranteed to wake even the deepest sleeping crew member! Ultra loud 102dB sounder for any NMEA 2000 alert Compatible with standard NMEA 2000 alert PGNs  – becoming mandatory for MFDs from all manufacturers Dual...
    $271.97
    $332.73
    $271.97
  • Raymarine SeaTalkng 5-Way Connector [A06064]
    Raymarine

    Raymarine SeaTalkng 5-Way Connector [A06064]

    $72.32
    $0.00
    $72.32
    5-way SeaTalkng Connector used for connecting spurs to the backbone.
    $72.32
    $0.00
    $72.32
  • Raymarine 1M Backbone Cable f/SeaTalkng [A06034]
    Raymarine

    Raymarine 1M Backbone Cable f/SeaTalkng [A06034]

    $72.32
    $0.00
    $72.32
    Backbone Cables In a SeaTalkng installation, a backbone cable runs through the length of the boat. Individual devices connect to the backbone by spur cables that run to T-pieces on the backbone. The backbone carries both data and power to attached devices. The backbone...
    $72.32
    $0.00
    $72.32
  • Raymarine 3M Spur Cable f/SeaTalkng [A06040]
    Raymarine

    Raymarine 3M Spur Cable f/SeaTalkng [A06040]

    $79.56
    $0.00
    $79.56
    Spur CableRaymarine 3 meter Spur Cable for SeaTalkng Specifications: Cable Length (Meters): 3m Box Dimensions: 1"H x 7"W x 8"L WT: 0.5 lbs UPC: 723193060407
    $79.56
    $0.00
    $79.56
  • Raymarine 1M Spur Cable f/SeaTalkng [A06039]
    Raymarine

    Raymarine 1M Spur Cable f/SeaTalkng [A06039]

    $72.32
    $0.00
    $72.32
    Spur CableRaymarine 1 meter Spur Cable for SeaTalkng Specifications: Connection Gender: Female-Female Cable Length (Meters): 1m Box Dimensions: 1"H x 6"W x 7"L WT: 0.05 lbs UPC: 723193060391
    $72.32
    $0.00
    $72.32
  • Raymarine 5M Backbone Cable f/SeaTalkng [A06036]
    Raymarine

    Raymarine 5M Backbone Cable f/SeaTalkng [A06036]

    $101.26
    $0.00
    $101.26
    Backbone Cables In a SeaTalkng installation, a backbone cable runs through the length of the boat. Individual devices connect to the backbone by spur cables that run to T-pieces on the backbone. The backbone carries both data and power to attached devices. The backbone...
    $101.26
    $0.00
    $101.26
  • Lowrance N2KEXT-6RD 6 NMEA 2000 Cable [000-0127-53]
    Lowrance

    Lowrance N2KEXT-6RD 6 NMEA 2000 Cable [000-0127-53]

    $63.64
    $70.89
    $63.64
    N2KEXT-6RD 6' NMEA 2000 Cable 6' NMEA 2000 Cable Specifications: Connection Gender: Male-Female Data Interface: NMEA 2000 Cable Length (Meters): 1.8m NMEA 2000 Connectors: Backbone/Drop Cables Box Dimensions: 3"H x 4"W x 10"L WT: 0.3 lbs UPC: 042194533582
    $63.64
    $70.89
    $63.64
  • Maretron Micro Field-Attachable Connector - Female [FA-CF-ST]
    Maretron

    Maretron Micro Field-Attachable Connector - Female [FA-CF-ST]

    $44.83
    $46.30
    $44.83
    Micro Field-Attachable ConnectorField-attachable connectors allows you to make field connections to bulk cable. The color-coded screw terminals match the individual wire colors found within the bulk cable for error-free field installation.Color-coded screw terminals make for error-free field installation Rugged housing material designed to withstand...
    $44.83
    $46.30
    $44.83
  • Digital Yacht NMEA 2000 6M Drop Cable [ZDIGN26M]
    Digital Yacht

    Digital Yacht NMEA 2000 6M Drop Cable [ZDIGN26M]

    $62.19
    $72.26
    $62.19
    NMEA 2000 6M Drop CableThis Digital Yacht cable is a 6m (20ft) NMEA 2000 drop cable made of metal connectors for maximum reliability. The drop cable allows users to expand the NMEA 2000 to whatever size is needed.*Digital Yacht “Drop Cables” can also be...
    $62.19
    $72.26
    $62.19
  • Maretron NM-NM Mini Gender Changer (Male/Male) [NM-NM]
    Maretron

    Maretron NM-NM Mini Gender Changer (Male/Male) [NM-NM]

    $70.88
    $72.34
    $70.88
    Maretron NM-NM Mini Gender Changer, Male to MaleMaretron cables have a male connector on one end and a female connector on the other end. Normally, the male connector points back towards the network power supply, but on some occasions, this gets reversed and a...
    $70.88
    $72.34
    $70.88