Collection: Marine Navigation & Instruments
Is your graph communicating with the rest of your instruments? Is it time to update your navigation equipment? Chartplotters, fishfinders, transducers, sonars, autopilots, boat radios and much more! All in stock and ready to ship!
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VDO Heavy Duty Normally Closed Single Circuit 4 PSI Pressure Switch [230-504]
Regular price $20.99Regular price$24.99Sale price $20.99Sale -
Garmin NMEA 2000 Backbone/Drop Cable (4M) [010-11076-04]
Regular price $31.99Regular price$34.99Sale price $31.99Sale -
Garmin GMR Fantom 25X Pedestal Only - Black [010-01364-60]
Regular price $10,299.99Regular price$0.00Sale price $10,299.99 -
Garmin NMEA 2000 Backbone/Drop Cable - 18 (6M) - *Case of 8* [010-11076-01CASE]
Regular price $287.99Regular price$319.99Sale price $287.99Sale -
Garmin NMEA 2000 Backbone Cable (6M) [010-11076-01]
Regular price $35.99Regular price$39.99Sale price $35.99Sale -
Garmin Reactor 40 Steer-By-Wire Corepack f/Yamaha Helm Master w/GHC 50 Autopilot Instrument [010-02794-04]
Regular price $3,449.99Regular price$0.00Sale price $3,449.99 -
SI-TEX MDA-1 Metadata Class B AIS Transceiver w/Internal GPS - Must Be Programmed [MDA-1]
Regular price $592.99Regular price$769.00Sale price $592.99Sale -
Actisense NMEA2000 Micro Starter Kit w/MPT-2, TER-M (x2), T-MFF (x2) TDC-6M [A2K-KIT-2A]
Regular price $180.00Regular price$200.00Sale price $180.00Sale -
Actisense NMEA2000 Micro T Connector [A2K-T-MFF]
Regular price $27.00Regular price$30.00Sale price $27.00Sale -
Actisense NMEA2000 Micro Starter Kit w/MPT-2, TER-U (x2), T-MFF (x2) TDC-4M [A2K-KIT-4A]
Regular price $225.00Regular price$250.00Sale price $225.00Sale -
Actisense NMEA2000 Micro Starter Kit w/MPT-2, TER-M (x2), T-MFF (x2) TDC-2M [A2K-KIT-1A]
Regular price $162.00Regular price$180.00Sale price $162.00Sale -
Raymarine RV-100 RealVision 3D Transom Bracket Kit [R70521]
Regular price $74.99Regular price$0.00Sale price $74.99 -
Garmin GPSMAP 9213 Premium Chartplotter w/Garmin Navionics+ [010-03176-01]
Regular price $4,499.99Regular price$0.00Sale price $4,499.99 -
Garmin GPSMAP 9217 Premium Chartplotter w/Garmin Navionics+ [010-03177-01]
Regular price $6,699.99Regular price$0.00Sale price $6,699.99 -
Actisense SeaTalkNG to NMEA2000 Adapter Cable [STNG-A06045]
Regular price $54.52Regular price$60.58Sale price $54.52Sale -
Actisense NMEA2000 Micro T-Piece w/Female Connectors 3M UL Certified Cable [A2K-MPT-2]
Regular price $45.00Regular price$50.00Sale price $45.00Sale -
Actisense A2K-TDC-2M NMEA2000 Micro Cable Assembly - 2M [A2K-TDC-2M]
Regular price $36.00Regular price$40.00Sale price $36.00Sale -
Actisense A2K-TDC-0M25 NMEA2000 Micro Cable Assembly - 0.25M [A2K-TDC-0M25]
Regular price $25.20Regular price$28.00Sale price $25.20Sale -
Actisense A2K-TDC-5M NMEA2000 Micro Cable Assembly - 5M [A2K-TDC-5M]
Regular price $49.50Regular price$55.00Sale price $49.50Sale -
![Actisense NMEA 0183 PC OPTO-Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC) [OPTO-4]](//homeharbormarinesupply.com/cdn/shop/files/51801XL.jpg?v=1764111300&width=533)
Actisense NMEA 0183 PC OPTO-Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC) [OPTO-4]
Regular price $115.68Regular price$128.54Sale price $115.68Sale -
Actisense USB to Serial Adapter f/PRO Range EMU-1 Products [USBKIT-PRO]
Regular price $46.03Regular price$51.14Sale price $46.03Sale -
Actisense A2K-TDC-1M NMEA2000 Micro Cable Assembly - 1M [A2K-TDC-1M]
Regular price $31.50Regular price$35.00Sale price $31.50Sale -
Actisense NMEA 0183 to NMEA2000 Gateway w/WiFi PC Interface - ISO Connection [WGX-1-ISO]
Regular price $361.35Regular price$401.50Sale price $361.35Sale -
Actisense N2K Micro Gender Changer - Male to Male - .25M [A2K-GCM-0M25]
Regular price $40.50Regular price$45.00Sale price $40.50Sale
![VDO Heavy Duty Normally Closed Single Circuit 4 PSI Pressure Switch [230-504]](http://homeharbormarinesupply.com/cdn/shop/products/61608XL.jpg?v=1676500125&width=533)
![Garmin NMEA 2000 Backbone/Drop Cable (4M) [010-11076-04]](http://homeharbormarinesupply.com/cdn/shop/products/50468XL.jpg?v=1676465345&width=533)
![Garmin GMR Fantom 25X Pedestal Only - Black [010-01364-60]](http://homeharbormarinesupply.com/cdn/shop/files/102817XL.jpg?v=1707868436&width=533)
![Garmin NMEA 2000 Backbone/Drop Cable - 18 (6M) - *Case of 8* [010-11076-01CASE]](http://homeharbormarinesupply.com/cdn/shop/products/68397XL.jpg?v=1676517576&width=533)
![Garmin NMEA 2000 Backbone Cable (6M) [010-11076-01]](http://homeharbormarinesupply.com/cdn/shop/products/31892XL.jpg?v=1676432823&width=533)
![Garmin Reactor 40 Steer-By-Wire Corepack f/Yamaha Helm Master w/GHC 50 Autopilot Instrument [010-02794-04]](http://homeharbormarinesupply.com/cdn/shop/products/94568XL.jpg?v=1676621935&width=533)
![SI-TEX MDA-1 Metadata Class B AIS Transceiver w/Internal GPS - Must Be Programmed [MDA-1]](http://homeharbormarinesupply.com/cdn/shop/products/44717XL.jpg?v=1676452166&width=533)
![Actisense NMEA2000 Micro Starter Kit w/MPT-2, TER-M (x2), T-MFF (x2) TDC-6M [A2K-KIT-2A]](http://homeharbormarinesupply.com/cdn/shop/files/111802XL.jpg?v=1764891831&width=533)
![Actisense NMEA2000 Micro T Connector [A2K-T-MFF]](http://homeharbormarinesupply.com/cdn/shop/files/108174XL.jpg?v=1764891829&width=533)
![Actisense NMEA2000 Micro Starter Kit w/MPT-2, TER-U (x2), T-MFF (x2) TDC-4M [A2K-KIT-4A]](http://homeharbormarinesupply.com/cdn/shop/files/111803XL.jpg?v=1764891831&width=533)
![Actisense NMEA2000 Micro Starter Kit w/MPT-2, TER-M (x2), T-MFF (x2) TDC-2M [A2K-KIT-1A]](http://homeharbormarinesupply.com/cdn/shop/files/111801XL.jpg?v=1764891831&width=533)
![Raymarine RV-100 RealVision 3D Transom Bracket Kit [R70521]](http://homeharbormarinesupply.com/cdn/shop/products/73107XL.jpg?v=1676531626&width=533)
![Garmin GPSMAP 9213 Premium Chartplotter w/Garmin Navionics+ [010-03176-01]](http://homeharbormarinesupply.com/cdn/shop/files/111324XL.jpg?v=1763070816&width=533)
![Garmin GPSMAP 9213 Premium Chartplotter w/Garmin Navionics+ [010-03176-01]](http://homeharbormarinesupply.com/cdn/shop/files/111324BXL.jpg?v=1763070816&width=533)
![Garmin GPSMAP 9217 Premium Chartplotter w/Garmin Navionics+ [010-03177-01]](http://homeharbormarinesupply.com/cdn/shop/files/111328XL.jpg?v=1763070816&width=533)
![Garmin GPSMAP 9217 Premium Chartplotter w/Garmin Navionics+ [010-03177-01]](http://homeharbormarinesupply.com/cdn/shop/files/111328BXL.jpg?v=1763070817&width=533)
![Actisense SeaTalkNG to NMEA2000 Adapter Cable [STNG-A06045]](http://homeharbormarinesupply.com/cdn/shop/files/111793XL.jpg?v=1764891831&width=533)
![Actisense NMEA2000 Micro T-Piece w/Female Connectors 3M UL Certified Cable [A2K-MPT-2]](http://homeharbormarinesupply.com/cdn/shop/files/111804XL.jpg?v=1764891831&width=533)
![Actisense A2K-TDC-2M NMEA2000 Micro Cable Assembly - 2M [A2K-TDC-2M]](http://homeharbormarinesupply.com/cdn/shop/files/111813XL.jpg?v=1764891843&width=533)
![Actisense A2K-TDC-0M25 NMEA2000 Micro Cable Assembly - 0.25M [A2K-TDC-0M25]](http://homeharbormarinesupply.com/cdn/shop/files/111815XL.jpg?v=1764631790&width=533)
![Actisense A2K-TDC-5M NMEA2000 Micro Cable Assembly - 5M [A2K-TDC-5M]](http://homeharbormarinesupply.com/cdn/shop/files/111810XL.jpg?v=1764891843&width=533)
![Actisense NMEA 0183 PC OPTO-Isolator Cable, RS232 DB9 Female, Shielded (Isolated to PC) [OPTO-4]](http://homeharbormarinesupply.com/cdn/shop/files/51801XL.jpg?v=1764111300&width=533)
![Actisense USB to Serial Adapter f/PRO Range EMU-1 Products [USBKIT-PRO]](http://homeharbormarinesupply.com/cdn/shop/files/111787XL.jpg?v=1764891830&width=533)
![Actisense A2K-TDC-1M NMEA2000 Micro Cable Assembly - 1M [A2K-TDC-1M]](http://homeharbormarinesupply.com/cdn/shop/files/108172XL.jpg?v=1764891829&width=533)
![Actisense NMEA 0183 to NMEA2000 Gateway w/WiFi PC Interface - ISO Connection [WGX-1-ISO]](http://homeharbormarinesupply.com/cdn/shop/files/111791XL.jpg?v=1764891830&width=533)
![Actisense N2K Micro Gender Changer - Male to Male - .25M [A2K-GCM-0M25]](http://homeharbormarinesupply.com/cdn/shop/products/71284XL.jpg?v=1676526744&width=533)