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Original price $155.99
Original price $155.99 - Original price $155.99
Original price $155.99
Current price $118.99
$118.99 - $118.99
Current price $118.99

Blue Sea 1810 VSM 422 Tank Sender Diesel, Water, or Waste Tank Level [1810]

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1810Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800 - can be precisely calibrated for each tank* Reliable - SSI Techno...

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Original price $155.99
Original price $155.99 - Original price $155.99
Original price $155.99
Current price $118.99
$118.99 - $118.99
Current price $118.99
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Original price $218.99
Original price $218.99 - Original price $218.99
Original price $218.99
Current price $133.99
$133.99 - $133.99
Current price $133.99

Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]

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1811Features: Accurate - used with the Vessel Systems Monitor VSM 422 PN 1800-can be precisely calibrated for each tank* Reliable - SSI Technolo...

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Original price $218.99
Original price $218.99 - Original price $218.99
Original price $218.99
Current price $133.99
$133.99 - $133.99
Current price $133.99
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Original price $25.99
Original price $25.99 - Original price $25.99
Original price $25.99
Current price $19.99
$19.99 - $19.99
Current price $19.99

Blue Sea 1820 Submersible Temperature Sensor [1820]

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1820 Submersible Temperature SensorFeatures: General temperature sensor designed to work for most applications. Easy double-sided tape installatio...

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Original price $25.99
Original price $25.99 - Original price $25.99
Original price $25.99
Current price $19.99
$19.99 - $19.99
Current price $19.99
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Original price $21.99
Original price $21.99 - Original price $21.99
Original price $21.99
Current price $16.99
$16.99 - $16.99
Current price $16.99

Blue Sea 1821 Universal Temperature Sensor [1821]

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Universal Temperature SensorUse with the P12 Charger, M2 OLED, and Mini OLED Meters Includes double-sided tape Waterproof design Temperature Ran...

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Original price $21.99
Original price $21.99 - Original price $21.99
Original price $21.99
Current price $16.99
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Current price $16.99
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Original price $363.99
Original price $363.99 - Original price $363.99
Original price $363.99
Current price $276.99
$276.99 - $276.99
Current price $276.99

Blue Sea 1830 M2 DC SoC State of Charge Monitor [1830]

in stock

M2 DC SoC State of Charge MonitorAccurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios.Features...

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Original price $363.99
Original price $363.99 - Original price $363.99
Original price $363.99
Current price $276.99
$276.99 - $276.99
Current price $276.99
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Original price $323.99
Original price $323.99 - Original price $323.99
Original price $323.99
Current price $246.99
$246.99 - $246.99
Current price $246.99

Blue Sea 1833 M2 DC Voltmeter [1833]

in stock

M2 DC VoltmeterMonitors DC Voltage on large, bright display. Accurately measures and monitors the voltage of up to three batteries.Features: Auto...

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Original price $323.99
Original price $323.99 - Original price $323.99
Original price $323.99
Current price $246.99
$246.99 - $246.99
Current price $246.99
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Original price $363.99
Original price $363.99 - Original price $363.99
Original price $363.99
Current price $276.99
$276.99 - $276.99
Current price $276.99

Blue Sea 1837 M2 AC Voltmeter [1837]

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M2 AC VoltmeterMonitors AC Voltage on large, bright display. Accurately measure and monitors the voltage of your AC system. (measures 2 independen...

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Original price $363.99
Original price $363.99 - Original price $363.99
Original price $363.99
Current price $276.99
$276.99 - $276.99
Current price $276.99
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Original price $384.99
Original price $384.99 - Original price $384.99
Original price $384.99
Current price $292.99
$292.99 - $292.99
Current price $292.99

Blue Sea 1838 M2 AC Multimeter [1838]

in stock

M2 AC MultimeterMonitors AC Amps, Volts, Hzs on large, bright display. Supports programmable current transformer ratios. Accurately measure and mo...

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Original price $384.99
Original price $384.99 - Original price $384.99
Original price $384.99
Current price $292.99
$292.99 - $292.99
Current price $292.99
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Original price $363.99
Original price $363.99 - Original price $363.99
Original price $363.99
Current price $276.99
$276.99 - $276.99
Current price $276.99

Blue Sea 1839 M2 OLED Tank Monitor [1839]

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M2 OLED Tank MonitorThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming ...

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Original price $363.99
Original price $363.99 - Original price $363.99
Original price $363.99
Current price $276.99
$276.99 - $276.99
Current price $276.99
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Original price $363.99
Original price $363.99 - Original price $363.99
Original price $363.99
Current price $276.99
$276.99 - $276.99
Current price $276.99

Blue Sea 1842 M2 OLED Digital Bilge Meter [1842]

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1842 M2 OLED Digital Bilge MeterThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an a...

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Original price $363.99
Original price $363.99 - Original price $363.99
Original price $363.99
Current price $276.99
$276.99 - $276.99
Current price $276.99
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Original price $520.99
Original price $520.99 - Original price $520.99
Original price $520.99
Current price $395.99
$395.99 - $395.99
Current price $395.99

Blue Sea 1850 M2 Vessel Systems Monitor [1850]

in stock

1850 M2 Vessel Systems MonitorPerforms comprehensive monitoring of four critical systems in one compact organic LED digital monitor.DC System Moni...

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Original price $520.99
Original price $520.99 - Original price $520.99
Original price $520.99
Current price $395.99
$395.99 - $395.99
Current price $395.99
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Original price $18.99
Original price $18.99 - Original price $18.99
Original price $18.99
Current price $14.99
$14.99 - $14.99
Current price $14.99

Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud [2001]

in stock

PowerPost High Amperage Cable Connector 1/4" StudFeatures: Connects high amperage cables securely Glass-Reinforced Nylon 48 Volts DC Maximum Not r...

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Original price $18.99
Original price $18.99 - Original price $18.99
Original price $18.99
Current price $14.99
$14.99 - $14.99
Current price $14.99
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Original price $17.99
Original price $17.99 - Original price $17.99
Original price $17.99
Current price $13.99
$13.99 - $13.99
Current price $13.99

Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud [2002]

in stock

2002 PowerPost High Amperage Cable Connector 5/16" Stud Insulated single stainless steel stud terminates multiple large conductors.Features: Conne...

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Original price $17.99
Original price $17.99 - Original price $17.99
Original price $17.99
Current price $13.99
$13.99 - $13.99
Current price $13.99
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Original price $17.99
Original price $17.99 - Original price $17.99
Original price $17.99
Current price $13.99
$13.99 - $13.99
Current price $13.99

Blue Sea 2003 PowerPost High Amperage Cable Connector 3/8" Stud [2003]

in stock

2003 PowerPost High Amperage Cable Connector 3/8" StudInsulated single stainless steel stud terminates multiple large conductors.Features: Connect...

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Original price $17.99
Original price $17.99 - Original price $17.99
Original price $17.99
Current price $13.99
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Original price $11.99
Original price $11.99 - Original price $11.99
Original price $11.99
Current price $9.99
$9.99 - $9.99
Current price $9.99

Blue Sea 2010 PowerPost High Amperage Cable Connector #10 Stud [2010]

in stock

PowerPost High Amperage Cable Connector #10 StudFeatures:  Insulated single stainless steel stud terminates multiple large conductors Connects hig...

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Original price $11.99
Original price $11.99 - Original price $11.99
Original price $11.99
Current price $9.99
$9.99 - $9.99
Current price $9.99
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Original price $11.99
Original price $11.99 - Original price $11.99
Original price $11.99
Current price $9.99
$9.99 - $9.99
Current price $9.99

Blue Sea 2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud [2011]

in stock

2011 PowerPost Mini High Amperage Cable Connector - 1/4" StudInsulated single stainless steel stud terminates multiple large conductors.Features: ...

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Original price $11.99
Original price $11.99 - Original price $11.99
Original price $11.99
Current price $9.99
$9.99 - $9.99
Current price $9.99
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Original price $28.99
Original price $28.99 - Original price $28.99
Original price $28.99
Current price $22.99
$22.99 - $22.99
Current price $22.99

Blue Sea 2016 Dual PowerPost Cable Connectors - 2 X 5/16" [2016]

in stock

Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...

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Original price $28.99
Original price $28.99 - Original price $28.99
Original price $28.99
Current price $22.99
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Current price $22.99
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Original price $28.99
Original price $28.99 - Original price $28.99
Original price $28.99
Current price $22.99
$22.99 - $22.99
Current price $22.99

Blue Sea 2017 Dual PowerPost Cable Connectors - 2 x 3/8" [2017]

in stock

Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...

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Original price $28.99
Original price $28.99 - Original price $28.99
Original price $28.99
Current price $22.99
$22.99 - $22.99
Current price $22.99
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Original price $28.99
Original price $28.99 - Original price $28.99
Original price $28.99
Current price $22.99
$22.99 - $22.99
Current price $22.99

Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8" [2018]

in stock

Dual PowerPost Connectors Designed for outboard engine installation when factory cables need to be extended Includes one black and one red insula...

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Original price $28.99
Original price $28.99 - Original price $28.99
Original price $28.99
Current price $22.99
$22.99 - $22.99
Current price $22.99
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Original price $30.99
Original price $30.99 - Original price $30.99
Original price $30.99
Current price $23.99
$23.99 - $23.99
Current price $23.99

Blue Sea 2019 PowerBar Common BusBar - Dual 3/8" x 16 [2019]

in stock

PowerBar Common BusBarTerminal Studs: 2x3/8"-16Provides compact high-ampere busing with 3/8" terminal studsWARNING: This product can expose you to...

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Original price $30.99
Original price $30.99 - Original price $30.99
Original price $30.99
Current price $23.99
$23.99 - $23.99
Current price $23.99
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Original price $22.99
Original price $22.99 - Original price $22.99
Original price $22.99
Current price $17.99
$17.99 - $17.99
Current price $17.99

Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs [2020]

in stock

PowerBar Dual BusBar - Two 3/8"-16 StudsProvides compact high-ampere busing with 3/8" terminal studsSpecifications: Maximum Amperage: 200A Maximu...

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Original price $22.99
Original price $22.99 - Original price $22.99
Original price $22.99
Current price $17.99
$17.99 - $17.99
Current price $17.99
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Original price $33.99
Original price $33.99 - Original price $33.99
Original price $33.99
Current price $25.99
$25.99 - $25.99
Current price $25.99

Blue Sea 2101 PowerPost Plus Cable Connector - 1/4" Stud [2101]

in stock

2101 PowerPost Plus Cable Connector - 1/4" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Feat...

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Original price $33.99
Original price $33.99 - Original price $33.99
Original price $33.99
Current price $25.99
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Current price $25.99
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Original price $33.99
Original price $33.99 - Original price $33.99
Original price $33.99
Current price $25.99
$25.99 - $25.99
Current price $25.99

Blue Sea 2102 PowerPost Plus Cable Connector - 5/16" Stud [2102]

in stock

2102 PowerPost Plus Cable Connector - 5/16" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Fea...

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Original price $33.99
Original price $33.99 - Original price $33.99
Original price $33.99
Current price $25.99
$25.99 - $25.99
Current price $25.99
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Original price $33.99
Original price $33.99 - Original price $33.99
Original price $33.99
Current price $25.99
$25.99 - $25.99
Current price $25.99

Blue Sea 2103 PowerPost Plus Cable Connector 3/8" Stud [2103]

in stock

2103 PowerPost Plus Cable Connector 3/8" Stud Enables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Featu...

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Original price $33.99
Original price $33.99 - Original price $33.99
Original price $33.99
Current price $25.99
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Current price $25.99
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