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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 - 0.5 Meter - Blue [DM-DB1-DF-00.5]
    Maretron

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

    $48.18
    $49.61
    $48.18
    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:...
    $48.18
    $49.61
    $48.18
  • Maretron Micro Double-Ended Cordset - 0.5M [CM-CG1-CF-00.5]
    Maretron

    Maretron Micro Double-Ended Cordset - 0.5M [CM-CG1-CF-00.5]

    $41.09
    $42.52
    $41.09
    Micro Double-Ended Cordset - 0.5MMechanical 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 V Cable Outer Jacket Mat/Color: PVC/Gray Conductor Insulation Material: HDPE...
    $41.09
    $42.52
    $41.09
  • Actisense NMEA2000 to WiFi Gateway [W2K-2]
    Actisense

    Actisense NMEA2000 to WiFi Gateway [W2K-2]

    $405.78
    $450.86
    $405.78
    NMEA2000 to WiFi GatewayThe W2K-2 is a rugged and reliable NMEA 2000 to Wi-Fi Gateway with built-in data logger and Actisense-i diagnostic tools.Transfer data from an NMEA 2000 backbone to any device (e.g, laptop, tablet, or smartphone) connected to the W2K-2 via Wi-Fi and...
    $405.78
    $450.86
    $405.78
  • Actisense PRO NMEA 0183 Multiplexer/NMEA 2000 Gateway [PRO-NDC-1E2K]
    Actisense

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

    $903.13
    $1,003.49
    $903.13
    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...
    $903.13
    $1,003.49
    $903.13
  • Actisense 0183 to N2K Gateway w/PC Interface, USB Connection [NGX-1-USB]
    Actisense

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

    $391.86
    $435.41
    $391.86
    0183 to N2K Gateway with PC Interface, USB 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...
    $391.86
    $435.41
    $391.86
  • Actisense N2K Micro 4 Way T-Piece [A2K-4WT]
    Actisense

    Actisense N2K Micro 4 Way T-Piece [A2K-4WT]

    $150.54
    $167.26
    $150.54
    N2K Micro 4 Way T-PieceThe 4 Way T-Piece from Actisense saves you time, space and money on your NMEA 2000® installation.The Actisense 4 Way T-Piece is for use where multiple drops or ‘ports’ are required from the NMEA 2000 backbone. It’s as quick and...
    $150.54
    $167.26
    $150.54
  • 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]

    $89.29
    $92.14
    $89.29
    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...
    $89.29
    $92.14
    $89.29
  • Maretron Pressure Transducer 0 to 3 PSI [PT-0-3PSI-01]
    Maretron

    Maretron Pressure Transducer 0 to 3 PSI [PT-0-3PSI-01]

    $255.13
    $276.41
    $255.13
    Pressure Transducer 0 to 3 PSI - for the FPM100 Fluid Pressure MonitorWARNING: 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)
    $255.13
    $276.41
    $255.13
  • Lowrance Yamaha Engine Interface Cable [120-37]
    Lowrance

    Lowrance Yamaha Engine Interface Cable [120-37]

    $154.49
    $174.35
    $154.49
    Yamaha Engine Interface CableYamaha engine interface cable 4.5 m (15 ft) and T-connectorConnects to Yamaha engines without Yamaha CommandLink Plus system. 2006 & newer: F50, T50, F60, T60, F75, F90, F115, LF115, F150, LF150, F200, LF200, F225, F225, F250, LF250. 2006 & newer: Z150,...
    $154.49
    $174.35
    $154.49
  • Digital Yacht OneFix Precision L1/L5 GNSS System [ZDIGONEFIX]
    Digital Yacht

    Digital Yacht OneFix Precision L1/L5 GNSS System [ZDIGONEFIX]

    $612.34
    $751.19
    $612.34
    OneFix Precision L1/L5 GNSS SystemFeatures: Transform any nav system with the ultimate and affordable positioning solution L1/L5 hi-precision GNSS receiver with QuadNav positioning GPS, Galileo, Beidou, and NavIC compatibility with optional Glonass sensor.  Gives sub 1m accuracy and fast 10Hz updates Advanced anti-spoofing algorithms...
    $612.34
    $751.19
    $612.34
  • Maretron Mini Termination Resistor - Male [TR-NM]
    Maretron

    Maretron Mini Termination Resistor - Male [TR-NM]

    $21.25
    $21.26
    $21.25
    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...
    $21.25
    $21.26
    $21.25
  • Digital Yacht NMEA 2000 3M Drop Cable [ZDIGN23M]
    Digital Yacht

    Digital Yacht NMEA 2000 3M Drop Cable [ZDIGN23M]

    $52.43
    $60.88
    $52.43
    NMEA 2000 3M Drop CableThis Digital Yacht cable is a 3m (9ft) 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...
    $52.43
    $60.88
    $52.43
  • Actisense A2K-TDC-4M NMEA2000 Micro Cable Assembly - 4M [A2K-TDC-4M]
    Actisense

    Actisense A2K-TDC-4M NMEA2000 Micro Cable Assembly - 4M [A2K-TDC-4M]

    $63.79
    $70.87
    $63.79
    A2K-TDC-4M NMEA2000 Micro Cable Assembly - 4MAvailable 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...
    $63.79
    $70.87
    $63.79
  • 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]

    $224.59
    $249.55
    $224.59
    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...
    $224.59
    $249.55
    $224.59
  • Actisense NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine Gateway [EMU-1-BAS]
    Actisense

    Actisense NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine Gateway [EMU-1-BAS]

    $871.27
    $968.07
    $871.27
    NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine GatewayShare engine information on the NMEA 2000 bus.The Actisense EMU-1 is a specialized analogue to NMEA 2000 Gateway which converts data from analogue engine gauges/senders into NMEA 2000 data. The EMU-1 enables the sharing...
    $871.27
    $968.07
    $871.27
  • Actisense SeaTalkNG to NMEA2000 Adapter Cable [STNG-A06045]
    Actisense

    Actisense SeaTalkNG to NMEA2000 Adapter Cable [STNG-A06045]

    $77.28
    $85.87
    $77.28
    SeaTalkNG to NMEA2000 Adapter CableAdapter cable to convert SeaTalkNG data to NMEA2000.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-Female Data Interface: NMEA 2000 Box Dimensions: 1"H...
    $77.28
    $85.87
    $77.28
  • Maretron TLA100 NMEA 2000 Tank Level Adapter [TLA100-01]
    Maretron

    Maretron TLA100 NMEA 2000 Tank Level Adapter [TLA100-01]

    $360.03
    $389.81
    $360.03
    TLA100 NMEA 2000®Tank Level AdapterThe TLA100 is used to adapt commercially available resistive tank senders to the NMEA 2000® network. This allows you to observe tank levels anywhere on the vessel where there is an NMEA 2000® compatible display such as the Maretron DSM200.The...
    $360.03
    $389.81
    $360.03
  • Maretron TLM150 Tank Level Monitor [TLM150-01]
    Maretron

    Maretron TLM150 Tank Level Monitor [TLM150-01]

    $360.03
    $389.81
    $360.03
    The TLM150 is used to sense levels of gasoline tanks using ultrasonic technology and transmit the gasoline levels over the NMEA 2000 network. This allows you to observe gasoline tank levels anywhere on the vessel where there is an NMEA 2000 compatible display such...
    $360.03
    $389.81
    $360.03
  • Maretron Micro/Mid Field Attachable Connector 90 Female [FA-CF-90]
    Maretron

    Maretron Micro/Mid Field Attachable Connector 90 Female [FA-CF-90]

    $41.09
    $42.52
    $41.09
    Like the straight Micro/Mid Field-attachable connectors, the 90 degree field attachable connectors allow you to make field conections to bulk cable. The 90 degree connectors are particularly well suited for tight spaces like the back of displays where there is limited space for a...
    $41.09
    $42.52
    $41.09
  • Digital Yacht SPL2000 VHF/AIS Powered Antenna Splitter [ZDIGSPL2000]
    Digital Yacht

    Digital Yacht SPL2000 VHF/AIS Powered Antenna Splitter [ZDIGSPL2000]

    $531.54
    $651.97
    $531.54
    SPL2000 AIS-VHF Antenna SplitterThe SPL2000 allows the boat's VHF antenna to be used for both an AIS and VHF simultaneously. It uses ZeroLoss technology and is suitable for use with AIS Class B transponder systems as well as AIS receivers. It's also designed as...
    $531.54
    $651.97
    $531.54