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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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  • Maretron Mid Double-Ended Cordset - 4 Meter - Blue [DM-DB1-DF-04.0]
    Maretron

    Maretron Mid Double-Ended Cordset - 4 Meter - Blue [DM-DB1-DF-04.0]

    $91.16
    $94.07
    $91.16
    Maretron Mid Double-Ended Cordset - 4 M BlueMechanical:Contact Carrier Mat/Color: Thermoplastic PUR/Blue-Gray Molded Body Mat/Color: Thermoplastic PUR/Blue-Gray Contact Mat/Plating: Brass/Gold Coupling Nut Mat/Plating: Brass/Nickel Connector Outside Diameter: 0.59"Electrical Current Rating: 4.0 Amps Voltage Rating: 250 VCable Outer Jacket Mat/Color: PVC/Gray Conductor Insulation Material: PE...
    $91.16
    $94.07
    $91.16
  • Maretron Mid Double-Ended Cordset - 0.5 Meter - Blue [DM-DB1-DF-00.5]
    Maretron

    Maretron Mid Double-Ended Cordset - 0.5 Meter - Blue [DM-DB1-DF-00.5]

    $63.67
    $65.13
    $63.67
    Maretron Mid Double-Ended Cordset - 0.5 M BlueMechanical: Contact Carrier Mat/Color: Thermoplastic PUR/Blue-Gray Molded Body Mat/Color: Thermoplastic PUR/Blue-Gray Contact Mat/Plating: Brass/Gold Coupling Nut Mat/Plating: Brass/Nickel Connector Outside Diameter: 0.59"Electrical Current Rating: 4.0 Amps Voltage Rating: 250 VCable Outer Jacket Mat/Color: PVC/Gray Conductor Insulation Material:...
    $63.67
    $65.13
    $63.67
  • Maretron Mini Powertap [NF-NM4P-NF]
    Maretron

    Maretron Mini Powertap [NF-NM4P-NF]

    $479.03
    $521.02
    $479.03
    Mini PowertapA powertap is connected to a network backbone just like any Tee but rather than connecting a device their purpose is to provide "bus" power. Typically a Powertap is placed as central as possible between total devices on backbone. Maretron Powertap uniquely provides...
    $479.03
    $521.02
    $479.03
  • Maretron Mini Power Cordset - 2 Power & 2 Ground To Female 1M [NM4P-01]
    Maretron

    Maretron Mini Power Cordset - 2 Power & 2 Ground To Female 1M [NM4P-01]

    $83.93
    $86.84
    $83.93
    Mini Power Cordset - 2 Power & 2 Ground To Female 1M 2 power and 2 ground to female 1 meter Specifications: Connection Gender: Female Data Interface: NMEA 2000 Cable Length (Meters): 1m NMEA 2000 Connectors: Power Box Dimensions: 1"H x 6"W x 8"L...
    $83.93
    $86.84
    $83.93
  • Maretron Mid Double-Ended Cordset - 5 Meter - Blue [DM-DB1-DF-05.0]
    Maretron

    Maretron Mid Double-Ended Cordset - 5 Meter - Blue [DM-DB1-DF-05.0]

    $98.40
    $101.31
    $98.40
    Maretron Mid Double-Ended Cordset - 5 M BlueMechanical:Contact Carrier Mat/Color: Thermoplastic PUR/Blue-Gray Molded Body Mat/Color: Thermoplastic PUR/Blue-Gray Contact Mat/Plating: Brass/Gold Coupling Nut Mat/Plating: Brass/Nickel Connector Outside Diameter: 0.59"Electrical Current Rating: 4.0 Amps Voltage Rating: 250 VCable Outer Jacket Mat/Color: PVC/Gray Conductor Insulation Material: PE...
    $98.40
    $101.31
    $98.40
  • Maretron Mid Double-Ended Cordset - 6 Meter - Blue [DM-DB1-DF-06.0]
    Maretron

    Maretron Mid Double-Ended Cordset - 6 Meter - Blue [DM-DB1-DF-06.0]

    $104.19
    $108.55
    $104.19
    Maretron Mid Double-Ended Cordset - 6 M BlueMechanical:Contact Carrier Mat/Color: Thermoplastic PUR/Blue-Gray Molded Body Mat/Color: Thermoplastic PUR/Blue-Gray Contact Mat/Plating: Brass/Gold Coupling Nut Mat/Plating: Brass/Nickel Connector Outside Diameter: 0.59"Electrical Current Rating: 4.0 Amps Voltage Rating: 250 VCable Outer Jacket Mat/Color: PVC/Gray Conductor Insulation Material: PE...
    $104.19
    $108.55
    $104.19
  • Maretron Micro Powertap Tee 5M Power Drop Bottom - Female L/R [CF-SPWR05-CF]
    Maretron

    Maretron Micro Powertap Tee 5M Power Drop Bottom - Female L/R [CF-SPWR05-CF]

    $98.40
    $101.31
    $98.40
    Micro/Mid Powertap Tee - FM (left)/5 Meter 4 Wire Power drop (bottom)/FM (right) Specifications: Connection Gender: Female Data Interface: NMEA 2000 Cable Length (Meters): 5m NMEA 2000 Connectors: Backbone/Drop Cables Box Dimensions: 1"H x 8"W x 8"L WT: 0.2 lbs UPC: 873804002477
    $98.40
    $101.31
    $98.40
  • Raymarine DST820 NMEA 2000 Nylon Thru-Hull Smart Multisensor Transducer [E70730]
    Raymarine

    Raymarine DST820 NMEA 2000 Nylon Thru-Hull Smart Multisensor Transducer [E70730]

    $651.26
    $0.00
    $651.26
    DST820 NMEA 2000 Nylon Thru-Hull Smart Multisensor TransducerFeaturing Airmar’s high-performance Gen2 paddlewheel, the DST820 delivers unmatched speed-through-water accuracy - providing precise start-up data below 0.3 knots, linear accuracy from 0.6 knots, and stable, reliable readings all the way up to 45 knots.Whether you’re a...
    $651.26
    $0.00
    $651.26
  • Actisense NMEA2000 Straight Micro Field Fit Connector - Female [A2K-FFC-SF]
    Actisense

    Actisense NMEA2000 Straight Micro Field Fit Connector - Female [A2K-FFC-SF]

    $39.08
    $43.42
    $39.08
    NMEA2000 Straight Micro Field Fit Connector - FemaleField-fit connectors allow full customization of your NMEA 2000 network cabling.Male and female variants, as well as right-angle options for each, provide full flexibility and make it easy to install cable around tight bends, meaning your network...
    $39.08
    $43.42
    $39.08
  • Actisense NMEA2000 Micro T-Piece w/Female Connectors 3M UL Certified Cable [A2K-MPT-2]
    Actisense

    Actisense NMEA2000 Micro T-Piece w/Female Connectors 3M UL Certified Cable [A2K-MPT-2]

    $65.13
    $72.36
    $65.13
    NMEA2000 Micro T-Piece with Female Connectors & 3M UL Certified CableThe A2K-MPT-2 is a simple, safe, and efficient method of powering an NMEA 2000 network.Now with improved strain relief!The Micro Power T can easily provide power to the NMEA 2000 bus with micro-fit connectors...
    $65.13
    $72.36
    $65.13
  • Actisense NMEA2000 Straight Micro Field Fit Connector - Male [A2K-FFC-SM]
    Actisense

    Actisense NMEA2000 Straight Micro Field Fit Connector - Male [A2K-FFC-SM]

    $39.08
    $43.42
    $39.08
    NMEA2000 Straight Micro Field Fit Connector - MaleField-fit connectors allow full customization of your NMEA 2000 network cabling.Male and female variants, as well as right-angle options for each, provide full flexibility and make it easy to install cable around tight bends, meaning your network...
    $39.08
    $43.42
    $39.08
  • Actisense USG-2 Isolated USB To Serial Gateway For Use w/NMEA0183, RS422 and RS232 [USG-2]
    Actisense

    Actisense USG-2 Isolated USB To Serial Gateway For Use w/NMEA0183, RS422 and RS232 [USG-2]

    $229.31
    $254.79
    $229.31
    USG-2 Isolated USB To Serial Gateway For Use w/NMEA0183, RS422 And RS232The USG-2 ensures safety and reliability when connecting a PC to your NMEA 0183 network.The USG-2 converts a USB port into a bi-directional serial port suitable for connecting to a marine standard NMEA...
    $229.31
    $254.79
    $229.31
  • Actisense PRO NMEA 0183 Multiplexer/NMEA 2000 Gateway [PRO-NDC-1E2K]
    Actisense

    Actisense PRO NMEA 0183 Multiplexer/NMEA 2000 Gateway [PRO-NDC-1E2K]

    $922.12
    $1,024.59
    $922.12
    PRO NMEA 0183 Multiplexer/NMEA 2000 GatewayInterconnectivity, reimagined!The PRO-NDC-1E2K is much more than an NMEA 0183 Multiplexer…Rugged, Robust, Type Approved Multiplexer with built-in NMEA 2000 connectivity, high-speed Ethernet streaming of data, flexible configuration, auto-switching and sentence level filtering.Managing and routing your NMEA data is straight...
    $922.12
    $1,024.59
    $922.12
  • Actisense Rear Panel Mount NMEA2000 Wired Micro 5-Pin - Male [A2K-PMW-M]
    Actisense

    Actisense Rear Panel Mount NMEA2000 Wired Micro 5-Pin - Male [A2K-PMW-M]

    $30.55
    $33.95
    $30.55
    Rear Panel Mount NMEA2000 Wired Micro 5-Pin - MalePanel mount wired connectors available from Actisense allow NMEA 2000 installations through watertight bulkheads (or panels) to be achieved.Waterproof seals ensure the integrity of the NMEA 2000 connection and bulkhead/panel.The female panel mount wired connector can...
    $30.55
    $33.95
    $30.55
  • Actisense 0183 to N2K Gateway w/PC Interface, ISO Connection [NGX-1-ISO]
    Actisense

    Actisense 0183 to N2K Gateway w/PC Interface, ISO Connection [NGX-1-ISO]

    $374.54
    $416.16
    $374.54
    0183 to N2K Gateway with PC Interface, ISO ConnectionIntelligent Gateway technology enables PC interfacing and NMEA data conversion…The NGX-1 is an intelligent multi-function gateway, combining the power of our two previous generation products (NGT-1 and NGW-1) into one, cost effective, flexible product.Configure the NGX-1...
    $374.54
    $416.16
    $374.54
  • Actisense Self-Contained Boat Network - Complete Network f/8 Devices w/Internal Terminators Power Feed [A2K-SBN-2]
    Actisense

    Actisense Self-Contained Boat Network - Complete Network f/8 Devices w/Internal Terminators Power Feed [A2K-SBN-2]

    $203.10
    $225.66
    $203.10
    Self-Contained Boat Network - Complete Network f/8 Devices w/Internal Terminators & Power FeedInstalling small NMEA 2000® networks is quicker and easier than it’s ever been with the Self-contained Boat Network (SBN) from Actisense.The equivalent of eight T-pieces in a single case provides a significant...
    $203.10
    $225.66
    $203.10
  • Maretron Mid Double-Ended Cordset - 1 Meter - Gray [DM-DG1-DF-01.0]
    Maretron

    Maretron Mid Double-Ended Cordset - 1 Meter - Gray [DM-DG1-DF-01.0]

    $69.45
    $72.36
    $69.45
    Mid Double-Ended Cordset - 1 Meter - GrayDouble-ended cordsets are used for trunk or drop lines and make for a secure connection and simple timesaving installation. The connectors are keyed for error-free connection and are waterproof for continued operation even while submerged in the...
    $69.45
    $72.36
    $69.45
  • Maretron Mid Double-Ended Cordset - 2 Meter - Gray [DM-DG1-DF-02.0]
    Maretron

    Maretron Mid Double-Ended Cordset - 2 Meter - Gray [DM-DG1-DF-02.0]

    $76.69
    $79.60
    $76.69
    Maretron Mid Double-Ended Cordset - 2 M GrayMechanical: Contact Carrier Mat/Color: Thermoplastic PUR/Blue-Gray Molded Body Mat/Color: Thermoplastic PUR/Blue-Gray Contact Mat/Plating: Brass/Gold Coupling Nut Mat/Plating: Brass/Nickel Connector Outside Diameter: 0.59"Electrical Current Rating: 4.0 Amps Voltage Rating: 250 VCable Outer Jacket Mat/Color: PVC/Gray Conductor Insulation Material:...
    $76.69
    $79.60
    $76.69
  • Maretron Micro Cap - Used to Cover Male Connector [M000102]
    Maretron

    Maretron Micro Cap - Used to Cover Male Connector [M000102]

    $7.24
    $0.00
    $7.24
    Micro Cap - Used to Cover Male ConnectorMicro cap used to cover male connectors. Specifications: Connection Gender: Male Box Dimensions: 0"H x 2"W x 3"L WT: 0.01 lbs UPC: 873804001395
    $7.24
    $0.00
    $7.24
  • Navico Fluid Level Sensor [000-11518-001]
    Navico

    Navico Fluid Level Sensor [000-11518-001]

    $173.66
    $0.00
    $173.66
    Fluid Level SensorTransmits the tank level from a suitable tank level sender unit on the the NMEA 2000 network. Replaces EP-65 Reports Tank Fluid Level: 0-100% Pre-configured for Fuel Tank Instance 0 Pre-calibrated to the 33-240j U.S. marine standard tank level sender Can re-calibrated...
    $173.66
    $0.00
    $173.66