GPS & Navigation Electronics

GPS, Navigation Electronics, Displays, Mounts, Charts & Accessories

Shop GPS and navigation electronics for a cleaner, easier-to-build helm. Find chartplotters, fishfinder/GPS combos, multi-function displays, GPS receivers, chart cards, transducers, network cables, mounts, radar and camera mounting support, power cables, and installation accessories.

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System Check

Confirm screen size, dash space, chart region, sonar needs, transducer connector, network type, power cable, mount style, and expansion plans before ordering.

Start With Mounts

GPS chartplotters and navigation electronics

Find GPS & Navigation Electronics Faster

Search by Brand, Series, Screen Size, Chart Region, Mount, Cable, or Transducer

Use focused searches by product type, screen size, chart region, mount, cable, or transducer. Good searches include GPS chartplotter, fishfinder GPS, chart card, NMEA 2000 cable, transducer, radar mount, or display power cable.

Shop by Product Path

GPS, Chartplotters, Displays, Charts, Transducers, Mounts & Cables

GPS ChartplottersNavigation displays for route planning, waypoints, and electronic charts. Fishfinder/GPS CombosFishing displays with GPS, sonar, charting, and waypoint support. Multi-Function DisplaysMFDs for charting, radar, sonar, AIS, cameras, and helm data. Handheld GPSPortable navigation and backup positioning searches. GPS ReceiversExternal GPS antennas, sensors, receivers, and position sources. Chart CardsNavigation charts, map cards, regional coverage, and updates. TransducersTransom, thru-hull, in-hull, CHIRP, imaging, and sonar support. Display MountsGimbal mounts, electronics mounts, pods, brackets, and hardware. PowerTower MountsScanstrut radar, camera, and electronics tower mounting searches. Radar MountsRadar mast mounts, backstay mounts, wedges, bases, and brackets. Camera MountsThermal camera and observation camera mounting support. Starlink MountsFlat high-performance mount support and related hardware. NMEA 2000 CablesBackbone, drop, tee, starter, and adapter cable searches. Network CablesEthernet, RayNet, BlueNet, adapter, and display network support. Power CablesReplacement display power leads, data harnesses, and adapters. Covers & AccessoriesSun covers, bezels, knobs, protective covers, and small parts.

Shop by Brand

Brand Paths When You Know the System

Start with the system and installation need first: display, charting, sonar, radar, AIS, GPS position, mounting, wiring, networking, or replacement accessories. If you already know the brand, use the brand tiles below to narrow the search.

GarminSTRIKER Vivid, GPSMAP, chartplotters, transducers, cables, receivers, and accessories. RaymarineAxiom, instrument displays, RayNet, transducers, radar-ready systems, and accessories. LowranceEagle, HOOK Reveal, chartplotter/fishfinder combos, sonar, and display support. HumminbirdXPLORE displays, fishfinder/GPS combos, sonar, charting, and accessories. SimradHelm displays, radar-ready systems, charting, networking, and autopilot support. B&GSailing-focused displays, instruments, autopilot support, and navigation systems. ScanstrutPowerTower mounts, ScanPods, radar mounts, camera mounts, and Starlink support. PantherElectronics mounts, adjustable display mounts, and helm mounting support. C-MAPChart cards, map support, and navigation chart searches. NavionicsChart card and map update searches for compatible chartplotters.

Mounting & Installation

Mount the Display, Radar, Camera, Antenna, and Network Cleanly

This collection includes a large amount of mounting support. Choose mounts around the equipment footprint, viewing angle, cable routing, structure, height, rake, and service access.

Scanstrut PowerTowerRadar, camera, and electronics tower mounts for cleaner installation. ScanPodsHelm pods and protective display mounting for helm layouts. Radar Mast MountsMast mounts, backstay mounts, self-leveling supports, and radar wedges. Electronics MountsAdjustable display mounts, multi-mounts, and helm brackets. Camera PowerTowersCamera mounts for compatible FLIR, Raymarine, and observation camera systems. Starlink Mount SupportWedges and mounts for flat high-performance antenna installations.

Navigation & Fishing

Choose Around How the Boat Is Used

A cruising boat may need charting, AIS display, radar support, route planning, and clear helm visibility. A fishing boat may need CHIRP, side imaging, live sonar support, split-screen control, waypoint speed, and a transducer matched to the hull.

CHIRP Chartplotters Side-Scan Sonar Live Sonar Displays

Connected Helm

Build a System That Can Grow

Before choosing a display, think about radar, AIS, autopilot, cameras, engine data, NMEA 2000, Ethernet networking, chart cards, remote displays, and future transducer upgrades.

Radar Displays AIS Integration NMEA 2000 Displays

GPS

Position & Charts

Confirm GPS source, chart region, chart format, display size, and route-planning needs.

SON

Sonar & Transducers

Match sonar support, connector style, transducer mount, hull type, and fishing style.

NET

Network & Power

Check power cable, fuse needs, data cable, NMEA 2000, Ethernet, and accessory ports.

GPS & Navigation Electronics FAQ

Choosing GPS, Chartplotters, Displays, and Mounts

What should I check before buying a chartplotter?

Confirm screen size, dash space, chart region, sonar needs, transducer compatibility, power cable, networking, radar or AIS plans, and mount style.

Why are mounts and cables so important?

Many display problems come from poor mounting, unsupported cable routing, missing adapters, wrong network cables, or weak power connections. Match the mount and cables before installation.

Can one display handle GPS, sonar, radar, and AIS?

Many MFDs can, but compatibility depends on the display model, network type, radar family, AIS connection, transducer support, software, and required accessories.

How do I choose a transducer?

Match the transducer to the display, connector, sonar type, hull material, mounting style, depth range, and fishing use.

Shop GPS, Navigation Electronics, Mounts, Charts & Accessories

Start with the display or system brand, then confirm chart support, transducer compatibility, mount style, power, and network connections.

Shop GPS & Navigation Electronics Confirm Compatibility

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ScanStrut DS21AS Stainless Multi Cable Deck Seal

$123.69 - $123.69

$123.69

$123.69 - $123.69

$123.69

Item locally warehoused

The only guaranteed and proven watertight installation for your antenna and nav light cables. A low profile shape makes for a stronger, impact resi...

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$123.69 - $123.69

$123.69

$123.69 - $123.69

$123.69

ScanStrut DS21APBLK Plastic Multi Cable Deck Seal, Black

$51.19 - $51.19

$51.19

$51.19 - $51.19

$51.19

Item locally warehoused

The only guaranteed and proven watertight installation for your antenna and nav light cables. A low profile shape makes for a stronger, impact resi...

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$51.19 - $51.19

$51.19

$51.19 - $51.19

$51.19

ScanStrut DS21AP Plastic Multi Cable Deck Seal, Grey

$66.79 - $66.79

$66.79

$66.79 - $66.79

$66.79

Item locally warehoused

The only guaranteed and proven watertight installation for your antenna and nav light cables. A low profile shape makes for a stronger, impact resi...

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$66.79 - $66.79

$66.79

$66.79 - $66.79

$66.79

ScanStrut DS16S Stainless Multi Cable Deck Seal

$104.29 - $104.29

$104.29

$104.29 - $104.29

$104.29

Item locally warehoused

The only guaranteed and proven watertight installation for your antenna and nav light cables. A low profile shape makes for a stronger, impact resi...

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$104.29 - $104.29

$104.29

$104.29 - $104.29

$104.29

ScanStrut DS16P Plastic Multi Cable Deck Seal, Grey

$58.99 - $58.99

$58.99

$58.99 - $58.99

$58.99

Item locally warehoused

The only guaranteed and proven watertight installation for your antenna and nav light cables. A low profile shape makes for a stronger, impact resi...

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$58.99 - $58.99

$58.99

$58.99 - $58.99

$58.99

Side Entry Cable Clamp w/SS Dress Cap

$36.89 - $36.89

$36.89

$36.89 - $36.89

$36.89

Item locally warehoused

Provides a waterproof side entry for antenna cables without requiring removal of the factory installed connector. Stainless steel dress cap conceal...

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$36.89 - $36.89

$36.89

$36.89 - $36.89

$36.89

Side Entry Cable Clamp w/White Cap

$21.89 - $21.89

$21.89

$21.89 - $21.89

$21.89

Item locally warehoused

Provides a waterproof side entry for antenna cables without requiring removal of the factory installed connector. Simple one-piece design for easy ...

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$21.89 - $21.89

$21.89

$21.89 - $21.89

$21.89

Cable Clam, 1.385"

$49.59 - $49.59

$49.59

$49.59 - $49.59

$49.59

Item locally warehoused

Save the expense of removing and replacing connectors. They allow waterproof co-axial installation without removing connectors and help avoid poor ...

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$49.59 - $49.59

$49.59

$49.59 - $49.59

$49.59

Cable Clamp w/SS Cap

$69.29 - $69.29

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$69.29 - $69.29

$69.29

Item locally warehoused

Pre-drilled and slit rubber seals for easier installation. A polished stainless steel dress cap conceals mounting hardware, matches other deck har...

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$69.29 - $69.29

$69.29

$69.29 - $69.29

$69.29

Cable Clam, .825"

$44.79 - $44.79

$44.79

$44.79 - $44.79

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Item locally warehoused

Save the expense of removing and replacing connectors. They allow waterproof co-axial installation without removing connectors and help avoid poor ...

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$44.79 - $44.79

$44.79

$44.79 - $44.79

$44.79

Cable Clamp w/SS Cap

$59.59 - $59.59

$59.59

$59.59 - $59.59

$59.59

Item locally warehoused

Pre-drilled and slit rubber seals for easier installation. A polished stainless steel dress cap conceals mounting hardware, matches other deck har...

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$59.59 - $59.59

$59.59

$59.59 - $59.59

$59.59

Cable Clam, .625"

$44.89 - $44.89

$44.89

$44.89 - $44.89

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Item locally warehoused

Save the expense of removing and replacing connectors. They allow waterproof co-axial installation without removing connectors and help avoid poor ...

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$44.89 - $44.89

$44.89

$44.89 - $44.89

$44.89

Chrome Brass Cable Outlet, 3/8"

$13.66 - $13.66

$13.66

$13.66 - $13.66

$13.66

Item locally warehoused

Chrome plated cast brass outlet provides a watertight seal for cable installations.Faceplate installs with three #6 FH fasteners (not included).

$13.66 - $13.66

$13.66

$13.66 - $13.66

$13.66

Chrome Brass Cable Outlet, 5/16"

$9.85 - $9.85

$9.85

$9.85 - $9.85

$9.85

Item locally warehoused

Chrome plated cast brass outlet provides a watertight seal for cable installations.Faceplate installs with three #6 FH fasteners (not included).

$9.85 - $9.85

$9.85

$9.85 - $9.85

$9.85

Chrome Brass Cable Outlet, 1/4"

$9.96 - $9.96

$9.96

$9.96 - $9.96

$9.96

Item locally warehoused

Chrome plated cast brass outlet provides a watertight seal for cable installations.Faceplate installs with three #6 FH fasteners (not included).

$9.96 - $9.96

$9.96

$9.96 - $9.96

$9.96

Sea-Dog 3299501 PL-258 Double Female In-Line UHF Coax Connector

$8.39 - $8.39

$8.39

$8.39 - $8.39

$8.39

Item locally warehoused

Nickel plated brass fittings for coaxial cable installation applications.

$8.39 - $8.39

$8.39

$8.39 - $8.39

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Sea-Dog 3299021 PL-259/UG176U Male UHF Coax Connector

$11.49 - $11.49

$11.49

$11.49 - $11.49

$11.49

Item locally warehoused

Nickel plated brass fittings for coaxial cable installation applications.

$11.49 - $11.49

$11.49

$11.49 - $11.49

$11.49

Sea-Dog 3299011 PL-259/UG175U Male UHF Coax Connector

$11.99 - $11.99

$11.99

$11.99 - $11.99

$11.99

Item locally warehoused

Nickel plated brass fittings for coaxial cable installation applications.

$11.99 - $11.99

$11.99

$11.99 - $11.99

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Sea-Dog 3299001 PL-259 Male UHF Coax Connector

$10.59 - $10.59

$10.59

$10.59 - $10.59

$10.59

Item locally warehoused

Nickel plated brass fittings for coaxial cable installation applications.

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$10.59

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Sea-Dog 3298081 Coaxial Cable Assembly, A:50", B:2", C:1-3/4", D: 11/16"

$65.99 - $65.99

$65.99

$65.99 - $65.99

$65.99

Item locally warehoused

Nickel plated brass coaxial cable assemblies.RG-58U Coax cable is pre-assembled with PL-259 fittings on both ends for quick installation of hardware.

$65.99 - $65.99

$65.99

$65.99 - $65.99

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Sea-Dog 3298061 20' Coaxial Cable Assembly, A:20", B:2", C:1-3/4", D: 11/16"

$42.29 - $42.29

$42.29

$42.29 - $42.29

$42.29

Item locally warehoused

Nickel plated brass coaxial cable assemblies.RG-58U Coax cable is pre-assembled with PL-259 fittings on both ends for quick installation of hardware.

$42.29 - $42.29

$42.29

$42.29 - $42.29

$42.29

Sea-Dog 3298041 Coaxial Cable Assembly, A:10", B: 2", C:1-3/4", D:11/16",

$33.39 - $33.39

$33.39

$33.39 - $33.39

$33.39

Item locally warehoused

Nickel plated brass coaxial cable assemblies.RG-58U Coax cable is pre-assembled with PL-259 fittings on both ends for quick installation of hardware.

$33.39 - $33.39

$33.39

$33.39 - $33.39

$33.39

$21.59 - $21.59

$21.59

$21.59 - $21.59

$21.59

Item locally warehoused

Molded, UV and weather resistant.

$21.59 - $21.59

$21.59

$21.59 - $21.59

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T-H Marine Clam Shell Vent (2 Per Pack)

$21.69 - $21.69

$21.69

$21.69 - $21.69

$21.69

Item locally warehoused

Molded, UV and weather resistant.

$21.69 - $21.69

$21.69

$21.69 - $21.69

$21.69

$103.09 - $103.09

$103.09

$103.09 - $103.09

$103.09

Item locally warehoused

Follows requirement of serial data communication network to interconnect marine electronic equipment Equipment designed to this system will have t...

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$103.09 - $103.09

$103.09

$103.09 - $103.09

$103.09

Sierra PC51010 NMEA 2000 Micro-C Extension Cable, 3'

$85.69 - $85.69

$85.69

$85.69 - $85.69

$85.69

Item locally warehoused

Follows requirement of serial data communication network to interconnect marine electronic equipment Equipment designed to this system will have t...

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$85.69 - $85.69

$85.69

$85.69 - $85.69

$85.69

Sierra PC51000 NMEA 2000 Micro-C Extension Cable, 2'

$82.59 - $82.59

$82.59

$82.59 - $82.59

$82.59

Item locally warehoused

Follows requirement of serial data communication network to interconnect marine electronic equipment Equipment designed to this system will have t...

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$82.59 - $82.59

$82.59

$82.59 - $82.59

$82.59

Seachoice Clam Shell Vent, 2 In. X 2-3/32 In., Chrome-Plated Brass

$19.41 - $19.41

$19.41

$19.41 - $19.41

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Item locally warehoused

Whether venting an engine compartment or for use as as a protective shield when routing cables and wires, this chrome plated brass clam shell venti...

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$19.41 - $19.41

$19.41

$19.41 - $19.41

$19.41

Seachoice Clam Shell Vent, 1-5/16 In. X 1-1/2 In., Chrome-Plated Brass

$16.29 - $16.29

$16.29

$16.29 - $16.29

$16.29

Item locally warehoused

Whether venting an engine compartment or for use as as a protective shield when routing cables and wires, this chrome plated brass clam shell venti...

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$16.29 - $16.29

$16.29

$16.29 - $16.29

$16.29

GPS & Navigation Electronics

GPS, Navigation Electronics, Displays, Mounts, Charts & Accessories

Search by Brand, Series, Screen Size, Chart Region, Mount, Cable, or Transducer

GPS, Chartplotters, Displays, Charts, Transducers, Mounts & Cables

Brand Paths When You Know the System

Mount the Display, Radar, Camera, Antenna, and Network Cleanly

Choose Around How the Boat Is Used

Build a System That Can Grow

Position & Charts

Sonar & Transducers

Network & Power

Connect GPS and Chartplotters to the Rest of the Helm

Choosing GPS, Chartplotters, Displays, and Mounts

Shop GPS, Navigation Electronics, Mounts, Charts & Accessories

Filters