Products
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Blue Sea 1739 Mini OLED Tank Meter - Yellow [1739]
Blue Sea SystemsOriginal price $61.99Original price $61.99 - Original price $61.99Original price $61.99Current price $45.99$45.99 - $45.99Current price $45.99| /In stock1739 Mini OLED Tank Meter - YellowMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:...
View full detailsOriginal price $61.99Original price $61.99 - Original price $61.99Original price $61.99Current price $45.99$45.99 - $45.99Current price $45.99| /Save 26% Save % -
Blue Sea 1739200 Mini OLED Tank Meter - Blue [1739200]
Blue Sea SystemsOriginal price $61.99Original price $61.99 - Original price $61.99Original price $61.99Current price $45.99$45.99 - $45.99Current price $45.99| /In stock1739200 Mini OLED Tank Meter - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features...
View full detailsOriginal price $61.99Original price $61.99 - Original price $61.99Original price $61.99Current price $45.99$45.99 - $45.99Current price $45.99| /Save 26% Save % -
Blue Sea 1741 Mini OLED Temperature Meter [1741]
Blue Sea SystemsOriginal price $90.99Original price $90.99 - Original price $90.99Original price $90.99Current price $62.99$62.99 - $62.99Current price $62.99| /In stockMini OLED Temperature MeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen Compact size ena...
View full detailsOriginal price $90.99Original price $90.99 - Original price $90.99Original price $90.99Current price $62.99$62.99 - $62.99Current price $62.99| /Save 31% Save % -
Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]
Blue Sea SystemsOriginal price $81.99Original price $81.99 - Original price $81.99Original price $81.99Current price $60.99$60.99 - $60.99Current price $60.99| /In stock1741200 Mini OLED Temperature Monitor - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen...
View full detailsOriginal price $81.99Original price $81.99 - Original price $81.99Original price $81.99Current price $60.99$60.99 - $60.99Current price $60.99| /Save 26% Save % -
Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]
Blue Sea SystemsOriginal price $155.99Original price $155.99 - Original price $155.99Original price $155.99Current price $106.99$106.99 - $106.99Current price $106.99| /In stock1810Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800 - can be precisely calibrated for each tank* Reliable - SSI Techno...
View full detailsOriginal price $155.99Original price $155.99 - Original price $155.99Original price $155.99Current price $106.99$106.99 - $106.99Current price $106.99| /Save 31% Save % -
Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]
Blue Sea SystemsOriginal price $218.99Original price $218.99 - Original price $218.99Original price $218.99Current price $119.99$119.99 - $119.99Current price $119.99| /Low stock1811Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800-can be precisely calibrated for each tank* Reliable - SSI Technolo...
View full detailsOriginal price $218.99Original price $218.99 - Original price $218.99Original price $218.99Current price $119.99$119.99 - $119.99Current price $119.99| /Save 45% Save % -
Blue Sea 1820 Submersible Temperature Sensor [1820]
Blue Sea SystemsOriginal price $25.99Original price $25.99 - Original price $25.99Original price $25.99Current price $19.99$19.99 - $19.99Current price $19.99| /Low stock1820 Submersible Temperature SensorFeatures: General temperature sensor designed to work for most applications. Easy double-sided tape installatio...
View full detailsOriginal price $25.99Original price $25.99 - Original price $25.99Original price $25.99Current price $19.99$19.99 - $19.99Current price $19.99| /Save 23% Save % -
Blue Sea 1821 Universal Temperature Sensor [1821]
Blue Sea SystemsOriginal price $21.99Original price $21.99 - Original price $21.99Original price $21.99Current price $16.99$16.99 - $16.99Current price $16.99| /Low stockUniversal Temperature SensorUse with the P12 Charger, M2 OLED, and Mini OLED Meters Includes double-sided tape Waterproof design Temperature Ran...
View full detailsOriginal price $21.99Original price $21.99 - Original price $21.99Original price $21.99Current price $16.99$16.99 - $16.99Current price $16.99| /Save 23% Save % -
Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]
Blue Sea SystemsOriginal price $363.99Original price $363.99 - Original price $363.99Original price $363.99Current price $240.99$240.99 - $240.99Current price $240.99| /In stockM2 DC SoC State of Charge MonitorAccurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios.Features...
View full detailsOriginal price $363.99Original price $363.99 - Original price $363.99Original price $363.99Current price $240.99$240.99 - $240.99Current price $240.99| /Save 34% Save % -
Blue Sea 1833 M2 DC Voltmeter [1833]
Blue Sea SystemsOriginal price $323.99Original price $323.99 - Original price $323.99Original price $323.99Current price $221.99$221.99 - $221.99Current price $221.99| /In stockM2 DC VoltmeterMonitors DC Voltage on large, bright display. Accurately measures and monitors the voltage of up to three batteries.Features: Auto...
View full detailsOriginal price $323.99Original price $323.99 - Original price $323.99Original price $323.99Current price $221.99$221.99 - $221.99Current price $221.99| /Save 31% Save % -
Blue Sea 1837 M2 AC Voltmeter [1837]
Blue Sea SystemsOriginal price $363.99Original price $363.99 - Original price $363.99Original price $363.99Current price $240.99$240.99 - $240.99Current price $240.99| /Low stockM2 AC VoltmeterMonitors AC Voltage on large, bright display. Accurately measure and monitors the voltage of your AC system. (measures 2 independen...
View full detailsOriginal price $363.99Original price $363.99 - Original price $363.99Original price $363.99Current price $240.99$240.99 - $240.99Current price $240.99| /Save 34% Save % -
Blue Sea 1838 M2 AC Multimeter [1838]
Blue Sea SystemsOriginal price $384.99Original price $384.99 - Original price $384.99Original price $384.99Current price $254.99$254.99 - $254.99Current price $254.99| /In stockM2 AC MultimeterMonitors AC Amps, Volts, Hzs on large, bright display. Supports programmable current transformer ratios. Accurately measure and mo...
View full detailsOriginal price $384.99Original price $384.99 - Original price $384.99Original price $384.99Current price $254.99$254.99 - $254.99Current price $254.99| /Save 34% Save % -
Blue Sea 1839 M2 OLED Tank Monitor [1839]
Blue Sea SystemsOriginal price $363.99Original price $363.99 - Original price $363.99Original price $363.99Current price $240.99$240.99 - $240.99Current price $240.99| /Low stockM2 OLED Tank MonitorThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming ...
View full detailsOriginal price $363.99Original price $363.99 - Original price $363.99Original price $363.99Current price $240.99$240.99 - $240.99Current price $240.99| /Save 34% Save % -
Blue Sea 1842 M2 OLED Digital Bilge Meter [1842]
Blue Sea SystemsOriginal price $363.99Original price $363.99 - Original price $363.99Original price $363.99Current price $240.99$240.99 - $240.99Current price $240.99| /Low stock1842 M2 OLED Digital Bilge MeterThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an a...
View full detailsOriginal price $363.99Original price $363.99 - Original price $363.99Original price $363.99Current price $240.99$240.99 - $240.99Current price $240.99| /Save 34% Save % -
Blue Sea 1850 M2 Vessel Systems Monitor [1850]
Blue Sea SystemsOriginal price $520.99Original price $520.99 - Original price $520.99Original price $520.99Current price $344.99$344.99 - $344.99Current price $344.99| /In stock1850 M2 Vessel Systems MonitorPerforms comprehensive monitoring of four critical systems in one compact organic LED digital monitor.DC System Moni...
View full detailsOriginal price $520.99Original price $520.99 - Original price $520.99Original price $520.99Current price $344.99$344.99 - $344.99Current price $344.99| /Save 34% Save % -
Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud [2001]
Blue Sea SystemsOriginal price $18.99Original price $18.99 - Original price $18.99Original price $18.99Current price $14.99$14.99 - $14.99Current price $14.99| /In stockPowerPost High Amperage Cable Connector 1/4" StudFeatures: Connects high amperage cables securely Glass-Reinforced Nylon 48 Volts DC Maximum Not r...
View full detailsOriginal price $18.99Original price $18.99 - Original price $18.99Original price $18.99Current price $14.99$14.99 - $14.99Current price $14.99| /Save 21% Save % -
Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud [2002]
Blue Sea SystemsOriginal price $17.99Original price $17.99 - Original price $17.99Original price $17.99Current price $13.99$13.99 - $13.99Current price $13.99| /In stock2002 PowerPost High Amperage Cable Connector 5/16" Stud Insulated single stainless steel stud terminates multiple large conductors.Features: Conne...
View full detailsOriginal price $17.99Original price $17.99 - Original price $17.99Original price $17.99Current price $13.99$13.99 - $13.99Current price $13.99| /Save 22% Save % -
Blue Sea 2003 PowerPost High Amperage Cable Connector 3/8" Stud [2003]
Blue Sea SystemsOriginal price $17.99Original price $17.99 - Original price $17.99Original price $17.99Current price $13.99$13.99 - $13.99Current price $13.99| /In stock2003 PowerPost High Amperage Cable Connector 3/8" StudInsulated single stainless steel stud terminates multiple large conductors.Features: Connect...
View full detailsOriginal price $17.99Original price $17.99 - Original price $17.99Original price $17.99Current price $13.99$13.99 - $13.99Current price $13.99| /Save 22% Save % -
Blue Sea 2010 PowerPost High Amperage Cable Connector #10 Stud [2010]
Blue Sea SystemsOriginal price $11.99Original price $11.99 - Original price $11.99Original price $11.99Current price $8.99$8.99 - $8.99Current price $8.99| /In stockPowerPost High Amperage Cable Connector #10 StudFeatures: Insulated single stainless steel stud terminates multiple large conductors Connects hig...
View full detailsOriginal price $11.99Original price $11.99 - Original price $11.99Original price $11.99Current price $8.99$8.99 - $8.99Current price $8.99| /Save 25% Save % -
Blue Sea 2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud [2011]
Blue Sea SystemsOriginal price $11.99Original price $11.99 - Original price $11.99Original price $11.99Current price $8.99$8.99 - $8.99Current price $8.99| /In stock2011 PowerPost Mini High Amperage Cable Connector - 1/4" StudInsulated single stainless steel stud terminates multiple large conductors.Features: ...
View full detailsOriginal price $11.99Original price $11.99 - Original price $11.99Original price $11.99Current price $8.99$8.99 - $8.99Current price $8.99| /Save 25% Save % -
Blue Sea 2016 Dual PowerPost Cable Connectors - 2 X 5/16" [2016]
Blue Sea SystemsOriginal price $28.99Original price $28.99 - Original price $28.99Original price $28.99Current price $21.99$21.99 - $21.99Current price $21.99| /In stockDual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...
View full detailsOriginal price $28.99Original price $28.99 - Original price $28.99Original price $28.99Current price $21.99$21.99 - $21.99Current price $21.99| /Save 24% Save % -
Blue Sea 2017 Dual PowerPost Cable Connectors - 2 x 3/8" [2017]
Blue Sea SystemsOriginal price $28.99Original price $28.99 - Original price $28.99Original price $28.99Current price $21.99$21.99 - $21.99Current price $21.99| /In stockDual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...
View full detailsOriginal price $28.99Original price $28.99 - Original price $28.99Original price $28.99Current price $21.99$21.99 - $21.99Current price $21.99| /Save 24% Save % -
Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8" [2018]
Blue Sea SystemsOriginal price $28.99Original price $28.99 - Original price $28.99Original price $28.99Current price $21.99$21.99 - $21.99Current price $21.99| /In stockDual PowerPost Connectors Designed for outboard engine installation when factory cables need to be extended Includes one black and one red insula...
View full detailsOriginal price $28.99Original price $28.99 - Original price $28.99Original price $28.99Current price $21.99$21.99 - $21.99Current price $21.99| /Save 24% Save % -
Blue Sea 2019 PowerBar Common BusBar - Dual 3/8" x 16 [2019]
Blue Sea SystemsOriginal price $30.99Original price $30.99 - Original price $30.99Original price $30.99Current price $22.99$22.99 - $22.99Current price $22.99| /In stockPowerBar Common BusBarTerminal Studs: 2x3/8"-16Provides compact high-ampere busing with 3/8" terminal studsWARNING: This product can expose you to...
View full detailsOriginal price $30.99Original price $30.99 - Original price $30.99Original price $30.99Current price $22.99$22.99 - $22.99Current price $22.99| /Save 26% Save %