Collection: Marine Navigation & Instruments
Navigate with confidence using our complete selection of marine navigation instruments. Browse GPS chartplotters, combo GPS/fish finder units, standalone fish finders, radar systems, autopilots, transducers, AIS systems, depth sounders, gauges, and marine monitors from Garmin, Humminbird, Lowrance, and other leading manufacturers.
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Ritchie GM-5-C 5" GlobeMaster Binnacle Mount Compass Cover - White [GM-5-C]
Vendor:RitchieRegular price $70Regular price$73Sale price $70Sale -
Ritchie F-83 Voyager Compass - Flush Mount - Black [F-83]
Vendor:RitchieRegular price $195Regular price$0Sale price $195 -
Airmar B175HW Bronze 12 Degree Thru-Hull 1kW f/Garmin w/8-Pin Connector [B175C-12-HW-8G]
Vendor:AirmarRegular price $1,750Regular price$1,930Sale price $1,750Sale -
Airmar P79 NMEA 2000 In-Hull 235 kHz [P79-235-N2]
Vendor:AirmarRegular price $468Regular price$520Sale price $468Sale -
Airmar B175HW Bronze Thru Hull 12 Tilt - 1kW - Requires Mix and Match Cable [B175C-12-HW-MM]
Vendor:AirmarRegular price $1,750Regular price$1,930Sale price $1,750Sale -
Airmar 117WR-3 Double Handle Transducer Wrench [117WR-3]
Vendor:AirmarRegular price $54Regular price$0Sale price $54 -
Veratron 52mm (2-1/16") VMH Flex Multifunction Gauge - J1939 [B00127801]
Vendor:VeratronRegular price $151Regular price$167Sale price $151Sale -
TROLLMaster Yamaha High Thrust Large Power Head 9.9, 15 (2005) [TM210HWKIT]
Vendor:TROLLMasterRegular price $29Regular price$35Sale price $29Sale -
VDO Type A - White Metal Base Bulb - 24V - 4-Pack [600-807]
Vendor:VDORegular price $7Regular price$10Sale price $7Sale -
Humminbird XNT-9-20-T TM Transducer - 83/200 kHz [710198-1]
Vendor:HumminbirdRegular price $92Regular price$120Sale price $92Sale -
Airmar B175HW Bronze 0 Degree Thru-Hull 1kW f/Garmin w/8-Pin Connector [B175C-0-HW-8G]
Vendor:AirmarRegular price $1,750Regular price$1,930Sale price $1,750Sale -
Airmar B175H Bronze 12 Thru-Hull Transducer - 1kW, 8-Pin [B175C-12-H-8G]
Vendor:AirmarRegular price $1,400Regular price$1,540Sale price $1,400Sale -
Airmar Humminbird 14-Pin Mix Match Chirp Cable - 1M [MMC-14HB]
Vendor:AirmarRegular price $135Regular price$150Sale price $135Sale -
Airmar Humminbird 9-Pin Mix Match Chirp Cable - 1M [MMC-HB]
Vendor:AirmarRegular price $135Regular price$150Sale price $135Sale -
Humminbird AS GPS HS N2K GPS Antenna [730029-1]
Vendor:HumminbirdRegular price $278Regular price$300Sale price $278Sale -
Airmar Raymarine 11-Pin High or Med Mix Match Transducer CHIRP Cable f/CP470 [MMC-11R-HM]
Vendor:AirmarRegular price $135Regular price$150Sale price $135Sale -
Airmar Garmin 8-Pin Mix Match Chirp Cable - 1M [MMC-8G]
Vendor:AirmarRegular price $135Regular price$150Sale price $135Sale -
Airmar 117WR-2 Transducer Hull Nut Wrench [117WR-2]
Vendor:AirmarRegular price $45Regular price$0Sale price $45 -
VDO Temperature Sender 250F/120C - 3/8-18 NPTF [323-421]
Vendor:VDORegular price $14Regular price$20Sale price $14Sale -
VDO Cockpit Marine 52mm (2-1/16") LCD Hourmeter - Black Dial/Chrome Bezel [331-546]
Vendor:VDORegular price $34Regular price$40Sale price $34Sale -
VDO SingleViu 52mm (2-1/16") Water Temp. Gauge - 250 F - 291-22 OHM [A2C3833350030]
Vendor:VDORegular price $100Regular price$110Sale price $100Sale -
VDO SingleViu 52mm (2-1/16") Oil Pressure Gauge - 80 PSI - 0-180 Ohm [A2C3833190030]
Vendor:VDORegular price $100Regular price$120Sale price $100Sale -
VDO SingleViu 52mm (2-1/16") Oil Pressure Gauge - 400 PSI - 0-180 Ohm [A2C3833500030]
Vendor:VDORegular price $100Regular price$120Sale price $100Sale -
VDO ALAS Adjustable Fuel Sender - 6-3/4 to 23" - 10-184 Ohm [226-001]
Vendor:VDORegular price $39Regular price$45Sale price $39Sale
![Ritchie F-83 Voyager Compass - Flush Mount - Black [F-83]](http://trestlethorn.com/cdn/shop/files/10369BXL.jpg?v=1697570636&width=533)
![Humminbird AS GPS HS N2K GPS Antenna [730029-1]](http://trestlethorn.com/cdn/shop/files/107155BXL.jpg?v=1733814049&width=533)