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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 Mini Termination Resistor - Female [TR-NF]
    Maretron

    Maretron Mini Termination Resistor - Female [TR-NF]

    $14.99
    $15.00
    $14.99
    Termination Resistors are required on a NMEA 2000 network and are placed at each end of a network trunk cable. Like the double-ended cordsets, the termination resistors are waterproof and continue to function even while submerged in the bilge. Diagnostic versions indicate correct polarity...
    $14.99
    $15.00
    $14.99
  • Lowrance Micro-C Network Power Isolator [000-12259-001]
    Lowrance

    Lowrance Micro-C Network Power Isolator [000-12259-001]

    $27.99
    $31.00
    $27.99
    Micro-C Network Power IsolatorLowrance's Micro-C Network Power Isolator ensures sources that could power the bus are separated properly during installation. Specifications: Data Interface: NMEA 2000 Box Dimensions: 1"H x 2"W x 3"L WT: 0.1 lbs UPC: 9420024138434
    $27.99
    $31.00
    $27.99
  • Digital Yacht WLN10 Smart NMEA to WiFi Converter - 4800 Baud [ZDIGWLN10SM]
    Digital Yacht

    Digital Yacht WLN10 Smart NMEA to WiFi Converter - 4800 Baud [ZDIGWLN10SM]

    $187.99
    $229.95
    $187.99
    WLN10 Smart NMEA to WiFi Converter - 4800 BaudDigital Yacht’s WLN10 Smart NMEA to WiFi gateway takes iPad and tablet integration afloat even further with the ability to connect to existing on board GPS, AIS and instrument systems and transfer data wirelessly to an...
    $187.99
    $229.95
    $187.99
  • Maretron Mid Double-Ended Cordset - 2 Meter - Blue [DM-DB1-DF-02.0]
    Maretron

    Maretron Mid Double-Ended Cordset - 2 Meter - Blue [DM-DB1-DF-02.0]

    $43.99
    $45.00
    $43.99
    Maretron Mid Double-Ended Cordset - 2 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:...
    $43.99
    $45.00
    $43.99
  • Maretron Mid Double-Ended Cordset - 0.5 Meter - Gray [DM-DG1-DF-00.5]
    Maretron

    Maretron Mid Double-Ended Cordset - 0.5 Meter - Gray [DM-DG1-DF-00.5]

    $33.99
    $35.00
    $33.99
    Maretron Mid Double-Ended Cordset - 0.5M 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: PE...
    $33.99
    $35.00
    $33.99
  • Simrad NSO evo2 NMEA0183 Touch Monitor Serial Cable - 2m [000-11247-001]
    Simrad

    Simrad NSO evo2 NMEA0183 Touch Monitor Serial Cable - 2m [000-11247-001]

    $30.99
    $35.00
    $30.99
    NSO evo2 NMEA0183 Touch Monitor Serial Cable - 2m NSO evo2 NMEA0183/Touch Monitor serial cable 2 m (6.5 ft) Eight core cable. Four for NMEA0183 and four for RS422 serial  Specifications: Data Interface: NMEA 0183 Cable Length (Meters): 2m Box Dimensions: 2"H x 8"W x...
    $30.99
    $35.00
    $30.99
  • Actisense Rear Panel Mount NMEA2000 Wired Micro 5-Pin - Female [A2K-PMW-F]
    Actisense

    Actisense Rear Panel Mount NMEA2000 Wired Micro 5-Pin - Female [A2K-PMW-F]

    $21.00
    $23.34
    $21.00
    Rear Panel Mount NMEA2000 Wired Micro 5-Pin - FemalePanel-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 easily...
    $21.00
    $23.34
    $21.00
  • Furuno IF-NMEA2K2 Converter [IF-NMEA2K2]
    Furuno

    Furuno IF-NMEA2K2 Converter [IF-NMEA2K2]

    $354.00
    $0.00
    $354.00
    IF-NMEA2K2The IF-NMEA2K2 is an interface to convert data from NMEA0183 format to NMEA2000 / CAN bus format and vice versa. In addition to the normal conversion mode, the High Speed mode to convert sensor data for Autopilot as well as an AIS mode dedicated...
    $354.00
    $0.00
    $354.00
  • Furuno NMEA 2000 Junction Box [FI5002]
    Furuno

    Furuno NMEA 2000 Junction Box [FI5002]

    $296.00
    $0.00
    $296.00
    FI5002 NMEA2000 Junction BoxThe FI5002 is an NMEA2000 Certified, 6-Port Junction Box for use with for use with any NMEA2000 network. The FI5002 features 2 NMEA2000 backbone ports, as well as 6 NMEA2000 ports. It will support up to 2A or 40 (LEN) on...
    $296.00
    $0.00
    $296.00
  • Digital Yacht NMEA 2000 T-Connector - 6 Ports [ZDIGN26W]
    Digital Yacht

    Digital Yacht NMEA 2000 T-Connector - 6 Ports [ZDIGN26W]

    $93.99
    $109.95
    $93.99
    NMEA 2000 T-Connector - 6 PortsAs the NMEA 2000 network expands beyond the 3-device limit of Digital Yacht’s NMEA 2000 Starter Kit, users can use this 4-way T-piece to add another four additional devices. With male > female > female connectors, multiple T-pieces can...
    $93.99
    $109.95
    $93.99
  • Digital Yacht NMEA 2000 T-Connector - 1-Way Extension Block [ZDIGN21W]
    Digital Yacht

    Digital Yacht NMEA 2000 T-Connector - 1-Way Extension Block [ZDIGN21W]

    $33.99
    $39.95
    $33.99
    NMEA 2000 T-Connector - 1-Way Extension BlockAs the NMEA 2000 network expands beyond the 3-device limit of Digital Yacht’s NMEA 2000 Starter Kit, users can use one of these single T-pieces to add devices. With male > female > female connectors, multiple T-pieces can...
    $33.99
    $39.95
    $33.99
  • Raymarine Evolution SeaTalkng Cable Kit [R70160]
    Raymarine

    Raymarine Evolution SeaTalkng Cable Kit [R70160]

    $239.99
    $249.99
    $239.99
    Evolution Cabling Kit - R70160 The Evolution SeaTalkng cable kit contains: 1 x SeaTalkng Power Cable (0.4m) 1 x SeaTalkng Backbone Cable (5m) 1 x SeaTalkng Spur Cable (0.4m) 1 x SeaTalkng 5-way Connector Block 2 x SeaTalkng T-piece Connector 2 x SeaTalkng Terminator...
    $239.99
    $249.99
    $239.99
  • Actisense NMEA2000 Micro T Connector [A2K-T-MFF]
    Actisense

    Actisense NMEA2000 Micro T Connector [A2K-T-MFF]

    $27.00
    $30.00
    $27.00
    NMEA2000 Micro T ConnectorQuality-engineered connectors are shaped to allow easy and secure connections.Two female and one male connector allow easy connection to Actisense NMEA lite cable assemblies, even when field-fit connectors are used, making it a unique T-piece.The Actisense NMEA 2000 T-Piece is for...
    $27.00
    $30.00
    $27.00
  • Actisense A2K-TDC-1M NMEA2000 Micro Cable Assembly - 1M [A2K-TDC-1M]
    Actisense

    Actisense A2K-TDC-1M NMEA2000 Micro Cable Assembly - 1M [A2K-TDC-1M]

    $31.50
    $35.00
    $31.50
    A2K-TDC-1M NMEA2000 Micro Cable Assembly - 1MAvailable in various lengths, the cable assemblies can be used as either drop cable from a NMEA 2000 backbone or to extend the length of the backbone cable.Actisense Lite cable assemblies allow quick installation and come with quality...
    $31.50
    $35.00
    $31.50
  • Actisense USB to Serial Adapter f/PRO Range EMU-1 Products [USBKIT-PRO]
    Actisense

    Actisense USB to Serial Adapter f/PRO Range EMU-1 Products [USBKIT-PRO]

    $46.03
    $51.14
    $46.03
    USB to Serial Adapter for PRO Range & EMU-1 ProductsSerial to USB cable assembly.*Note: this accessory is only suitable for use with Actisense PRO range products. To safely transfer NMEA 0183 data to a PC from another manufacturer's device, the Actisense USG-2 is recommended.This...
    $46.03
    $51.14
    $46.03
  • Actisense A2K-TDC-5M NMEA2000 Micro Cable Assembly - 5M [A2K-TDC-5M]
    Actisense

    Actisense A2K-TDC-5M NMEA2000 Micro Cable Assembly - 5M [A2K-TDC-5M]

    $49.50
    $55.00
    $49.50
    A2K-TDC-5M NMEA2000 Micro Cable Assembly - 5MAvailable in various lengths, the cable assemblies can be used as either a drop cable from a NMEA 2000 backbone or to extend the length of the backbone cable.Actisense Lite cable assemblies allow quick installation and come with...
    $49.50
    $55.00
    $49.50
  • Actisense A2K-TDC-2M NMEA2000 Micro Cable Assembly - 2M [A2K-TDC-2M]
    Actisense

    Actisense A2K-TDC-2M NMEA2000 Micro Cable Assembly - 2M [A2K-TDC-2M]

    $36.00
    $40.00
    $36.00
    A2K-TDC-2M NMEA2000 Micro Cable Assembly - 2MAvailable in various lengths, the cable assemblies can be used as either a drop cable from a NMEA 2000 backbone or to extend the length of the backbone cable.Actisense Lite cable assemblies allow quick installation and come with...
    $36.00
    $40.00
    $36.00
  • Actisense A2K-TDC-0M25 NMEA2000 Micro Cable Assembly - 0.25M [A2K-TDC-0M25]
    Actisense

    Actisense A2K-TDC-0M25 NMEA2000 Micro Cable Assembly - 0.25M [A2K-TDC-0M25]

    $25.20
    $28.00
    $25.20
    A2K-TDC-0M25 NMEA2000 Micro Cable Assembly - 0.25MAvailable in various lengths, the cable assemblies can be used as either a drop cable from a NMEA 2000 backbone or to extend the length of the backbone cable.Actisense Lite cable assemblies allow quick installation and come with...
    $25.20
    $28.00
    $25.20
  • Actisense NMEA 0183 PC OPTO-Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC) [OPTO-4]
    Actisense

    Actisense NMEA 0183 PC OPTO-Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC) [OPTO-4]

    $115.68
    $128.54
    $115.68
    NMEA 0183 PC OPTO-Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC)Add isolation to an RS232 port to protect against ground loops. The OPTO-4 provides a safe and low cost way of connecting an RS422 (NMEA 0183) system to an RS232 (PC COM port)...
    $115.68
    $128.54
    $115.68
  • Actisense N2K Micro Gender Changer - Male to Male - .25M [A2K-GCM-0M25]
    Actisense

    Actisense N2K Micro Gender Changer - Male to Male - .25M [A2K-GCM-0M25]

    $40.50
    $45.00
    $40.50
    N2K Micro Gender Changer - Male to Male - .25MUse between two cable connectors of the same type and gender of connector on an NMEA 2000® backbone.Manufactured using Actisense designed connectors with 0.25m UL certified cable, the gender changers offer easy and secure connections.The...
    $40.50
    $45.00
    $40.50