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Enhance your marine navigation setup with premium navigation instrument accessories designed to improve installation, connectivity, and overall performance on the water. Whether you're upgrading your helm, replacing components, or expanding your onboard electronics system, the right accessories help ensure reliable operation and seamless integration. Built for demanding freshwater and saltwater environments, our collection features durable products engineered to withstand moisture, vibration, corrosion, and harsh marine conditions. Browse mounting brackets, protective covers, cables, sensors, connectors, replacement parts, display accessories, networking components, and other essential navigation hardware for a wide range of marine instruments. Designed for compatibility, convenience, and long-lasting reliability, these accessories help maximize the functionality of GPS systems, chartplotters, fish finders, radar, autopilots, and other onboard electronics. Featuring trusted marine brands recognized for quality and innovation, our Marine Navigation Instruments – Accessories collection provides dependable solutions for recreational boaters, anglers, and professional mariners. Shop today with confidence.

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  • Garmin Adapter Plate f/GPSMAP 12x2 to 12x3 Series [010-12993-02]
    Garmin

    Garmin Adapter Plate f/GPSMAP 12x2 to 12x3 Series [010-12993-02]

    $63.82
    $70.91
    $63.82
    Adapter Plate for GPSMAP® 12x2 to 12x3 SeriesThis adapter bezel kit allows you to install a new GPSMAP 12x3 into the existing cutout of a GPSMAP 12x2 Touch, 12x2 Plus, 7412 or 7612 chartplotter in your dash. Specifications: Type: Mounting Brackets Box Dimensions: 1"H...
    $63.82
    $70.91
    $63.82
  • Garmin Power Cable f/GPSMAP 7x2, 9x2, 10x2 12x2 Series [010-12550-00]
    Garmin

    Garmin Power Cable f/GPSMAP 7x2, 9x2, 10x2 12x2 Series [010-12550-00]

    $38.29
    $42.54
    $38.29
    Power Cable for GPSMAP® 7x2, 9x2, 10x2 & 12x2 SeriesPower and connect your compatible GPSMAP device with this 6-foot, 8-pin power/data cable. Use with NMEA 0183 devices and a lamp or horn for visible or audible alerts. WARNING: This product can expose you to...
    $38.29
    $42.54
    $38.29
  • Garmin Course Computer Unit - Reactor 40 Steer-by-wire [010-11052-65]
    Garmin

    Garmin Course Computer Unit - Reactor 40 Steer-by-wire [010-11052-65]

    $3,671.10
    $4,255.53
    $3,671.10
    Course Computer Unit (CCU) - Reactor™ 40 Steer-by-wireGarmin's CCU is the brain of the Reactor 40 autopilot system, containing sensory equipment used to determine heading and rate of turn. Connect the CCU to your boat's steering system and the NMEA 2000® network to communicate...
    $3,671.10
    $4,255.53
    $3,671.10
  • Garmin APK 10 Autopilot Keyboard - Vertical [010-03197-01]Garmin APK 10 Autopilot Keyboard - Vertical [010-03197-01]
    Garmin

    Garmin APK 10 Autopilot Keyboard - Vertical [010-03197-01]

    $522.00
    $567.39
    $522.00
    APK™ 10 Autopilot Keyboard - VerticalGAIN PRECISE CONTROL OF YOUR AUTOPILOTGet easy-to-use control of your Reactor™ 40 autopilot, and put simple, intuitive knob and button activation, heading changes, and more at your fingertips.Rotary KnobThe LED-encircled knob provides precise heading control and colored reference of...
    $522.00
    $567.39
    $522.00
  • Garmin GPS 24xd HVS GPS Antenna w/Heading Sensor - NMEA 0183 [010-02316-00]
    Garmin

    Garmin GPS 24xd HVS GPS Antenna w/Heading Sensor - NMEA 0183 [010-02316-00]

    $385.82
    $446.82
    $385.82
    GPS 24xd HVS GPS Antenna with Heading Sensor - NMEA 0183The GPS 24xd position receiver and antenna gives you precise location with multi-band GNSS and heading accuracy even at slow speeds.Features: Navigate in more locations with expanded GNSS support Get high-sensitivity tracking with fast...
    $385.82
    $446.82
    $385.82
  • Garmin GND 10 Black Box Bridge [010-01226-00]
    Garmin

    Garmin GND 10 Black Box Bridge [010-01226-00]

    $258.16
    $297.87
    $258.16
    GND™ 10 Black Box BridgeThe Garmin GND 10 black box bridge seamlessly integrates Nexus instruments and sensors with the Garmin family. It converts data between the Nexus network and NMEA 2000 to provide trouble-free compatibility between Nexus and Garmin products including gWind and gWind...
    $258.16
    $297.87
    $258.16
  • Garmin Cable Grommet f/Network Cables [010-10562-00]
    Garmin

    Garmin Cable Grommet f/Network Cables [010-10562-00]

    $9.92
    $0.00
    $9.92
    Cable GrommetUse Garmin's cable grommets to cover installation holes that have been drilled into your boat.Compatible Devices: GDL 30/30A GMR™ Series GPSMAP® Series GSD™ Series WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer,...
    $9.92
    $0.00
    $9.92
  • Garmin Tilt/Swivel Mount f/STRIKER 4/4dv [010-12439-00]
    Garmin

    Garmin Tilt/Swivel Mount f/STRIKER 4/4dv [010-12439-00]

    $25.52
    $28.36
    $25.52
    Tilt/Swivel Mount f/STRIKER™ 4/4dvSecure your compatible marine device with Garmin's mount that features tilt/swivel capabilities for optimum viewing.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more...
    $25.52
    $28.36
    $25.52
  • Raymarine Power Cable - 10M w/Bare Wires f/Quantum [A80309]
    Raymarine

    Raymarine Power Cable - 10M w/Bare Wires f/Quantum [A80309]

    $106.37
    $0.00
    $106.37
    Power Cable - 10M with Bare Wires for QuantumQuantum 10M power cable with Bare wires. Specifications: Type: Power Cords Box Dimensions: 1"H x 10"W x 12"L WT: 2.2 lbs UPC: 723193793404
    $106.37
    $0.00
    $106.37
  • Raymarine C12x/e12x to Axiom Adapter Plate to Existing Fixing Holes [A80528]
    Raymarine

    Raymarine C12x/e12x to Axiom Adapter Plate to Existing Fixing Holes [A80528]

    $141.84
    $0.00
    $141.84
    C12x/e12x to Axiom Adapter Plate to Existing Fixing HolesPowder coated black to match the Axiom, this adapter plate is designed to enable a simple and stylish installation of Axiom 12″ multifunction displays in place of a C12x/e12x Series Display. Specifications: Type: Mounting Brackets Box...
    $141.84
    $0.00
    $141.84
  • FLIR Right-Angle Single Keyway Power Cable - 10M [A80511]
    FLIR Systems

    FLIR Right-Angle Single Keyway Power Cable - 10M [A80511]

    $133.33
    $134.74
    $133.33
    Right-Angle Single Keyway Power Cable - 10MFLIR's 10M M232 Right Angle Single Keyway Power Cable. Specifications: Type: Power Cords Box Dimensions: 2"H x 10"W x 10"L WT: 1.15 lbs UPC: 723193818145
    $133.33
    $134.74
    $133.33
  • Navico Ethernet Cable - 1.8M - M12 to M12 f/NEP-3 [000-16075-001]
    Navico

    Navico Ethernet Cable - 1.8M - M12 to M12 f/NEP-3 [000-16075-001]

    $70.91
    $0.00
    $70.91
    Ethernet Cable - 1.8M - M12 to M12 for NEP-3The Navico Ethernet Extension cable measures 1.8M and is designed for M12 to M12 connections for the NEP-3. Specifications: Type: Cables Box Dimensions: 2"H x 7"W x 8"L WT: 0.4 lbs UPC: 9420064130634
    $70.91
    $0.00
    $70.91
  • Garmin USB-C to Micro USB Adapter Cable [010-12390-13]
    Garmin

    Garmin USB-C to Micro USB Adapter Cable [010-12390-13]

    $32.61
    $35.45
    $32.61
    USB-C to Micro USB Adapter CableUse this cable to connect a male Micro USB to the USB-C port on your compatible GPSMAP® 9000 series chartplotter. This cable also can be used for the USB Card reader.
    $32.61
    $35.45
    $32.61
  • Garmin Bail Mount w/Quick Release Cradle f/ECHOMAP Ultra 12" [010-12842-00]
    Garmin

    Garmin Bail Mount w/Quick Release Cradle f/ECHOMAP Ultra 12" [010-12842-00]

    $165.95
    $184.39
    $165.95
    Bail Mount w/Quick Release Cradle f/ECHOMAP Ultra 12" Surface mount your compatible ECHOMAP™ Ultra chartplotter/sounder combo using our bail mount with knobs; the mount tilts for optimum viewing. Plugging the cables into the mount’s quick-release cradle allows you to seat/unseat your device with ease. WARNING:...
    $165.95
    $184.39
    $165.95
  • Raymarine Black Suncover f/i50, i60, i70, i70s, p70 p70s (eS/AXIOM style) [R70663]
    Raymarine

    Raymarine Black Suncover f/i50, i60, i70, i70s, p70 p70s (eS/AXIOM style) [R70663]

    $39.70
    $0.00
    $39.70
    Black Suncover for i50, i60, i70, i70s, p70 & p70s (eS/AXIOM style)Sun covers for your electronics serve a very important purpose. When the equipment is not in use, they prevent UV damage to the screen and face of the unit. They also reduce the...
    $39.70
    $0.00
    $39.70
  • Raymarine EV-2 Sensor Core [E70097]
    Raymarine

    Raymarine EV-2 Sensor Core [E70097]

    $3,591.66
    $3,829.97
    $3,591.66
    EV-2 Sensor CoreAt the center of every Evolution system is the intelligent EV sensor core, a 9-axis sensor that monitors vessel motion in all three dimensions. The innovative EV sensor core combines advanced solid-state sensors with the Evolution autopilot processor into a single easy-to-install...
    $3,591.66
    $3,829.97
    $3,591.66
  • Furuno Flush Mount Bezel f/GP33 or RD33 [001-156-750]
    Furuno

    Furuno Flush Mount Bezel f/GP33 or RD33 [001-156-750]

    $82.27
    $0.00
    $82.27
    Flush Mount Bezel001-156-750The 001-156-750 is a flush mount bezel for the GP33 and RD33 display unit. This bezel should be used when the display is flush mounted in a space previously occupied by a GP30/RD30 style display.WARNING: This product can expose you to chemicals...
    $82.27
    $0.00
    $82.27
  • Digital Yacht veKonvert NMEA 2000 Gateway [ZDIGVEKVT]Digital Yacht veKonvert NMEA 2000 Gateway [ZDIGVEKVT]
    Digital Yacht

    Digital Yacht veKonvert NMEA 2000 Gateway [ZDIGVEKVT]

    $300.71
    $368.74
    $300.71
    veKonvert NMEA 2000 GatewayveKonvert brings NMEA 2000 connectivity to Victron’s popular SmartShunt battery monitoring system. Now a navigation multi-function display becomes a sophisticated battery and energy management system.FeaturesveKonvert is a stand-alone NMEA 2000 interface designed in conjunction with Victron Energy to integrate VE.Direct compatible...
    $300.71
    $368.74
    $300.71
  • Maretron CLMD16-J3 I/O Mating Connector Kit [A3710]Maretron CLMD16-J3 I/O Mating Connector Kit [A3710]
    Maretron

    Maretron CLMD16-J3 I/O Mating Connector Kit [A3710]

    $151.77
    $170.22
    $151.77
    CLMD16-J3 I/O Mating Connector KitJ3 (I/O Gen Purpose) Harness Kit with 1m Flying Leads.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
    $151.77
    $170.22
    $151.77
  • Simrad Ethernet Adapter Cable Yellow - 5P Male to RJ45 Female - 2M [000-0127-56]
    Simrad

    Simrad Ethernet Adapter Cable Yellow - 5P Male to RJ45 Female - 2M [000-0127-56]

    $60.98
    $70.93
    $60.98
    Simrad adapter cable, Ethernet Yellow 5 pin male to RJ45 female 2 m (6.5 ft)*needed when hooking up a WM-2 to a NSE series Specifications: Type: Adapters Box Dimensions: 1"H x 4"W x 5"L WT: 0.5 lbs UPC: 042194533872
    $60.98
    $70.93
    $60.98