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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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  • Actisense NMEA2000 Mid Bulk Cable Reel - 100M [A2K-BULK-100MID]
    Actisense

    Actisense NMEA2000 Mid Bulk Cable Reel - 100M [A2K-BULK-100MID]

    $585.00
    $650.00
    $585.00
    NMEA2000 Mid Bulk Cable Reel - 100MThis cable can be used to create or extend an NMEA 2000® network of flexible lengths to suit any installation. The cable is ideal for use with any of the Actisense A2K Product range for building networks.The cable...
    $585.00
    $650.00
    $585.00
  • Lowrance NAC-FRD2FBL NMEA Network Adapter Cable [127-05]
    Lowrance

    Lowrance NAC-FRD2FBL NMEA Network Adapter Cable [127-05]

    $43.99
    $50.00
    $43.99
    NAC-FRD2FBLNMEA network adapter cable. Adapts red connector devices to a blue connector network.Works with: NMEA 2000 Compliant Units Specifications: Data Interface: NMEA 2000 Connection Gender: Female-Female Box Dimensions: 2"H x 3"W x 7"L WT: 0.17 lbs UPC: 042194530451
    $43.99
    $50.00
    $43.99
  • Bluewater NMEA 2000 Drop Cable - 3 Meter [2700-03-011]
    Bluewater

    Bluewater NMEA 2000 Drop Cable - 3 Meter [2700-03-011]

    $27.50
    $0.00
    $27.50
    NMEA 2000 Drop Cable - 3 MeterThis NMEA 2000 5-pin drop cable is built for seamless integration between your network backbone and connected marine electronics. Designed with durable, waterproof connectors, it ensures a secure and interference-free connection to displays, GPS units, sensors, and more....
    $27.50
    $0.00
    $27.50
  • Maretron Temperature Sensor f/ DCM100 [TR3K]
    Maretron

    Maretron Temperature Sensor f/ DCM100 [TR3K]

    $48.99
    $50.00
    $48.99
    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...
    $48.99
    $50.00
    $48.99
  • 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]

    $86.99
    $90.00
    $86.99
    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...
    $86.99
    $90.00
    $86.99
  • Navico NMEA 0183 Interface Cable [000-15939-001]
    Navico

    Navico NMEA 0183 Interface Cable [000-15939-001]

    $190.99
    $220.00
    $190.99
    NMEA 0183 Interface CableThe NMEA 0183 interface provides a bi-directional gateway between an NMEA 2000® network and NMEA 0183 devices.Ideal for retrofitting NMEA 2000 devices while retaining existing NMEA0183 components, this interface allows boaters a simple way to upgrade to newer technology, sensors, and...
    $190.99
    $220.00
    $190.99
  • Bluewater NMEA 2000 4-Way T-Connector [2702-15-015]
    Bluewater

    Bluewater NMEA 2000 4-Way T-Connector [2702-15-015]

    $48.12
    $0.00
    $48.12
    NMEA 2000 4-Way T-ConnectorOur NMEA 2000 T-Connector makes it easy to expand your marine electronics network by providing secure connection points between backbone cables and connected devices. Built to NMEA 2000 standards, each NMEA T-connector features rugged, waterproof 5-pin connectors for reliable data transmission...
    $48.12
    $0.00
    $48.12
  • Digital Yacht NavLINK Blue NMEA 2000 to Bluetooth Gateway [ZDIGNLINKBT]
    Digital Yacht

    Digital Yacht NavLINK Blue NMEA 2000 to Bluetooth Gateway [ZDIGNLINKBT]

    $252.99
    $309.95
    $252.99
    NavLINK Blue NMEA 2000 to Bluetooth GatewayFeatures: NMEA 2000 to Bluetooth Gateway bringing NMEA 2000 connectivity to BT sensors plus phones, tablets, and PCs DY SDK available for quick deployment of BT connectivity Wireless set up of device via browser interface for easy interfacing...
    $252.99
    $309.95
    $252.99
  • Maretron FPM100 Fluid Pressure Monitor [FPM100-01]
    Maretron

    Maretron FPM100 Fluid Pressure Monitor [FPM100-01]

    $450.99
    $489.00
    $450.99
    Fluid Pressure MonitorMaretron's Fluid Pressure Monitor is used to adapt up to six pressure transducers to the NMEA 2000® network (pressure transducers sold separately). This allows you to observe fluid pressures and tank levels anywhere on the vessel where there are NMEA 2000® compatible...
    $450.99
    $489.00
    $450.99
  • Maretron Ambient Air Temp Probe [TP-AAP-1]
    Maretron

    Maretron Ambient Air Temp Probe [TP-AAP-1]

    $38.99
    $40.00
    $38.99
    Ambient Air Temperature Probe (-20°C to 80°C or -4°F to 176°F)WARNING: 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. Owner's Manual (pdf)
    $38.99
    $40.00
    $38.99
  • Maretron Mini Termination Resistor w/LED - Male [TRL-NM]
    Maretron

    Maretron Mini Termination Resistor w/LED - Male [TRL-NM]

    $47.99
    $50.00
    $47.99
    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...
    $47.99
    $50.00
    $47.99
  • Maretron J2K100 Adapter Micro Female - Deutsche 12 Pin 2 Meter [MCF-2M-D12]
    Maretron

    Maretron J2K100 Adapter Micro Female - Deutsche 12 Pin 2 Meter [MCF-2M-D12]

    $76.99
    $80.00
    $76.99
    J2K100 Adapter Micro Female - Deutsche 12 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...
    $76.99
    $80.00
    $76.99
  • Maretron Mid Double-Ended Cordset - 3 Meter - Gray [DM-DG1-DF-03.0]
    Maretron

    Maretron Mid Double-Ended Cordset - 3 Meter - Gray [DM-DG1-DF-03.0]

    $57.99
    $60.00
    $57.99
    Maretron Mid Double-Ended Cordset - 3 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:...
    $57.99
    $60.00
    $57.99
  • Maretron Micro Bulkhead Feed-Thru [BHF-CM-CF]
    Maretron

    Maretron Micro Bulkhead Feed-Thru [BHF-CM-CF]

    $38.99
    $40.00
    $38.99
    Micro Bulkhead Feed-ThruThe Bulkhead Feed-Thru allows ease of installation through panels or bulkheads and establishes future connection points in a network installation. The bulkhead feed-thru also maintains the integrity of watertight bulkheads by providing a waterproof seal and connectionFeatures rugged keyways for positive alignment...
    $38.99
    $40.00
    $38.99
  • Maretron CLM100 Current Loop Monitor [CLM100-01]
    Maretron

    Maretron CLM100 Current Loop Monitor [CLM100-01]

    $418.99
    $455.00
    $418.99
    CLM100 Current Loop MonitorMaretron's CLM100 converts commercially available 4-20mA current loop transducers into digital data so a wide variety of information can be displayed on Maretron displays. Numerous 4-20mA current loop transducers are supported by the CLM100 including transducers for monitoring DC voltage and...
    $418.99
    $455.00
    $418.99
  • Maretron NM-CF Mini Male to Micro Female Reducer [NM-CF]
    Maretron

    Maretron NM-CF Mini Male to Micro Female Reducer [NM-CF]

    $60.00
    $0.00
    $60.00
    Maretron NM-CF Mini Male to Micro Female ReducerThe reducer is used to change from a Mini cable to Micro or Mid cable. For example, one end of the network might be terminated at the top of the mast but it may not be desireable...
    $60.00
    $0.00
    $60.00
  • Actisense NMEA2000 Micro Bulk Cable Reel - 100M [A2K-BULK-100M]
    Actisense

    Actisense NMEA2000 Micro Bulk Cable Reel - 100M [A2K-BULK-100M]

    $450.00
    $500.00
    $450.00
    NMEA2000 Micro Bulk Cable Reel - 100MCreate or extend an NMEA 2000 backbone of flexible lengths to suit any installation.The Actisense NMEA 2000 Bulk Lite cable is available in 100-meter reels and is ideal for use with the Actisense QNB-1 Quick Network Block or...
    $450.00
    $500.00
    $450.00
  • Actisense A2K-TDC-6M NMEA2000 Micro Cable Assembly - 6M [A2K-TDC-6M]
    Actisense

    Actisense A2K-TDC-6M NMEA2000 Micro Cable Assembly - 6M [A2K-TDC-6M]

    $54.00
    $60.00
    $54.00
    A2K-TDC-6M NMEA2000 Micro Cable Assembly - 6MAvailable 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...
    $54.00
    $60.00
    $54.00
  • 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
  • Actisense Protective Screw Cover f/N2K Connectors - 10-Pack [A2K-SCREWCAP-10-F]
    Actisense

    Actisense Protective Screw Cover f/N2K Connectors - 10-Pack [A2K-SCREWCAP-10-F]

    $22.86
    $25.40
    $22.86
    Protective Screw Cover for N2K Connectors - 10-PackScrew-cap covers for NMEA 2000 Micro connectors.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Connection Gender: Female Data Interface: NMEA 2000 Box...
    $22.86
    $25.40
    $22.86