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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VDO SingleViu 80mm (3-1/8") Tachometer - 3000 RPM [A2C3832980030]
Vendor:VDORegular price $199Regular price$250Sale price $199Sale -
VDO Reed Switch Fuel Sender - 270 MM [226-627]
Vendor:VDORegular price $44Regular price$50Sale price $44Sale -
VDO ALAS I Adjustable Fuel Sender - 6 to 15-3/4" - 3-180 Ohm [226-162]
Vendor:VDORegular price $45Regular priceSale price $45 -
VDO Reed Switch Fuel Sender - 900 MM [226-690]
Vendor:VDORegular price $83Regular price$100Sale price $83Sale -
Garmin Flush Mount Kit f/echoMAP Plus 9Xsv [010-12673-01]
Vendor:GarminRegular price $23Regular price$25Sale price $23Sale -
Garmin USB-C to USB-A Female Adapter Cable [010-12390-12]
Vendor:GarminRegular price $23Regular price$25Sale price $23Sale -
Humminbird HELIX 7 CHIRP MEGA DI GPS G4N [411640-1]
Vendor:HumminbirdRegular price $800Regular price$0Sale price $800 -
Bluewater NMEA 2000 Male Terminator - 120 ohm [2705-00-001]
Vendor:BluewaterRegular price $15Regular price$0Sale price $15 -
Airmar 175WR-4 Transducer Housing Wrench [175WR-4]
Vendor:AirmarRegular price $60Regular price$0Sale price $60 -
Garmin 4-Pin 10' Transducer Extension Cable f/echo Series [010-11617-10]
Vendor:GarminRegular price $42Regular price$45Sale price $42Sale -
Raymarine Type 1 Linear Drive - 12V [M81130]
Vendor:RaymarineRegular price $2,316Regular price$2,375Sale price $2,316Sale -
Ritchie BN-202 Navigator Compass - Bulkhead Mount - Black [BN-202]
Vendor:RitchieRegular price $513Regular price$0Sale price $513 -
Raymarine ST1000 Plus Tiller Pilot [A12004]
Vendor:RaymarineRegular price $597Regular price$600Sale price $597Sale -
Digital Yacht SeaTalk1 to USB Interface [ZDIGSTNUSB]
Vendor:Digital YachtRegular price $230Regular price$260Sale price $230Sale -
Digital Yacht EnvironLINK NMEA 2000 Temperature/Humidity [ZDIGENVLINK]
Vendor:Digital YachtRegular price $234Regular price$270Sale price $234Sale -
Garmin Right-Angle Power Cable [010-12067-10]
Vendor:GarminRegular price $110Regular price$120Sale price $110Sale -
em-trak R300 AIS Receiver [413-0058]
Vendor:em-trakRegular price $300Regular price$333Sale price $300Sale -
Garmin GFL 10 Fluid Level NMEA 2000 Analog Adapter [010-11326-00]
Vendor:GarminRegular price $229Regular price$250Sale price $229Sale -
Raymarine B265LH 1kW Bronze Thru Hull w/Temp [A80010]
Vendor:RaymarineRegular price $1,999Regular price$0Sale price $1,999 -
Iris IP Camera Recorder w/IrisControl f/Garmin OneHelm Host - 1TB HDD - 32 IP Camera Inputs [CMAC-NVR-1TB-G]
Vendor:Iris InnovationsRegular price $1,323Regular price$1,495Sale price $1,323Sale -
Faria Platinum 2" Fuel Level Gauge (E-1/2-F) [22021]
Vendor:Faria Beede InstrumentsRegular price $65Regular price$69Sale price $65Sale -
Faria Pitot Kit - Universal [91109]
Vendor:Faria Beede InstrumentsRegular price $15Regular price$0Sale price $15 -
Iris 316 Stainless Steel Marine Camera - TVL - Wide Angle - Reversible - Nitrogen Purged - Infrared [IRIS090]
Vendor:Iris InnovationsRegular price $600Regular price$650Sale price $600Sale -
Ritchie V-537W Explorer Compass - Bulkhead Mount - White Dial [V-537W]
Vendor:RitchieRegular price $100Regular price$0Sale price $100
![Humminbird HELIX 7 CHIRP MEGA DI GPS G4N [411640-1]](http://trestlethorn.com/cdn/shop/files/90088BXL.jpg?v=1697698060&width=533)
![Ritchie BN-202 Navigator Compass - Bulkhead Mount - Black [BN-202]](http://trestlethorn.com/cdn/shop/files/10349BXL.jpg?v=1697570488&width=533)
![Digital Yacht EnvironLINK NMEA 2000 Temperature/Humidity [ZDIGENVLINK]](http://trestlethorn.com/cdn/shop/files/112039BXL.jpg?v=1769585303&width=533)
![em-trak R300 AIS Receiver [413-0058]](http://trestlethorn.com/cdn/shop/files/99816BXL.jpg?v=1697733829&width=533)
![Iris IP Camera Recorder w/IrisControl f/Garmin OneHelm Host - 1TB HDD - 32 IP Camera Inputs [CMAC-NVR-1TB-G]](http://trestlethorn.com/cdn/shop/files/99648BXL.jpg?v=1697733458&width=533)
![Ritchie V-537W Explorer Compass - Bulkhead Mount - White Dial [V-537W]](http://trestlethorn.com/cdn/shop/files/36539BXL.jpg?v=1697587236&width=533)