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

    Blue Sea Systems
    Original price $174.99
    Original price $174.99 - Original price $174.99
    Original price $174.99
    Current price $108.95
    $108.95 - $108.95
    Current price $108.95

    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 $174.99
    Original price $174.99 - Original price $174.99
    Original price $174.99
    Current price $108.95
    $108.95 - $108.95
    Current price $108.95
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    Blue Sea 1811 VSM 422 Tank Sender Gasoline Tank Level [1811]

    Blue Sea Systems
    Original price $218.99
    Original price $218.99 - Original price $218.99
    Original price $218.99
    Current price $135.95
    $135.95 - $135.95
    Current price $135.95

    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 $135.95
    $135.95 - $135.95
    Current price $135.95
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  • Save $11.04 Save $0.00

    Blue Sea 1820 Submersible Temperature Sensor [1820]

    Blue Sea Systems
    Original price $29.99
    Original price $29.99 - Original price $29.99
    Original price $29.99
    Current price $18.95
    $18.95 - $18.95
    Current price $18.95

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

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    Original price $29.99
    Original price $29.99 - Original price $29.99
    Original price $29.99
    Current price $18.95
    $18.95 - $18.95
    Current price $18.95
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  • Save $9.04 Save $0.00

    Blue Sea 1821 Universal Temperature Sensor [1821]

    Blue Sea Systems
    Original price $23.99
    Original price $23.99 - Original price $23.99
    Original price $23.99
    Current price $14.95
    $14.95 - $14.95
    Current price $14.95

    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 $23.99
    Original price $23.99 - Original price $23.99
    Original price $23.99
    Current price $14.95
    $14.95 - $14.95
    Current price $14.95
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  • Save $191.04 Save $0.00

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

    Blue Sea Systems
    Original price $499.99
    Original price $499.99 - Original price $499.99
    Original price $499.99
    Current price $308.95
    $308.95 - $308.95
    Current price $308.95

    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 $499.99
    Original price $499.99 - Original price $499.99
    Original price $499.99
    Current price $308.95
    $308.95 - $308.95
    Current price $308.95
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    Blue Sea 1833 M2 DC Voltmeter [1833]

    Blue Sea Systems
    Original price $446.99
    Original price $446.99 - Original price $446.99
    Original price $446.99
    Current price $276.95
    $276.95 - $276.95
    Current price $276.95

    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 $446.99
    Original price $446.99 - Original price $446.99
    Original price $446.99
    Current price $276.95
    $276.95 - $276.95
    Current price $276.95
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  • Save $190.04 Save $0.00

    Blue Sea 1837 M2 AC Voltmeter [1837]

    Blue Sea Systems
    Original price $498.99
    Original price $498.99 - Original price $498.99
    Original price $498.99
    Current price $308.95
    $308.95 - $308.95
    Current price $308.95

    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 $498.99
    Original price $498.99 - Original price $498.99
    Original price $498.99
    Current price $308.95
    $308.95 - $308.95
    Current price $308.95
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  • Save $201.04 Save $0.00

    Blue Sea 1838 M2 AC Multimeter [1838]

    Blue Sea Systems
    Original price $527.99
    Original price $527.99 - Original price $527.99
    Original price $527.99
    Current price $326.95
    $326.95 - $326.95
    Current price $326.95

    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 $527.99
    Original price $527.99 - Original price $527.99
    Original price $527.99
    Current price $326.95
    $326.95 - $326.95
    Current price $326.95
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  • Save $191.04 Save $0.00

    Blue Sea 1839 M2 OLED Tank Monitor [1839]

    Blue Sea Systems
    Original price $499.99
    Original price $499.99 - Original price $499.99
    Original price $499.99
    Current price $308.95
    $308.95 - $308.95
    Current price $308.95

    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 $499.99
    Original price $499.99 - Original price $499.99
    Original price $499.99
    Current price $308.95
    $308.95 - $308.95
    Current price $308.95
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    Blue Sea 1842 M2 OLED Digital Bilge Meter [1842]

    Blue Sea Systems
    Original price $498.99
    Original price $498.99 - Original price $498.99
    Original price $498.99
    Current price $308.95
    $308.95 - $308.95
    Current price $308.95

    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 $498.99
    Original price $498.99 - Original price $498.99
    Original price $498.99
    Current price $308.95
    $308.95 - $308.95
    Current price $308.95
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  • Save $249.04 Save $0.00

    Blue Sea 1850 M2 Vessel Systems Monitor [1850]

    Blue Sea Systems
    Original price $650.99
    Original price $650.99 - Original price $650.99
    Original price $650.99
    Current price $401.95
    $401.95 - $401.95
    Current price $401.95

    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 $650.99
    Original price $650.99 - Original price $650.99
    Original price $650.99
    Current price $401.95
    $401.95 - $401.95
    Current price $401.95
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    Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud [2001]

    Blue Sea Systems
    Original price $20.99
    Original price $20.99 - Original price $20.99
    Original price $20.99
    Current price $12.95
    $12.95 - $12.95
    Current price $12.95

    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 $20.99
    Original price $20.99 - Original price $20.99
    Original price $20.99
    Current price $12.95
    $12.95 - $12.95
    Current price $12.95
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  • Save $7.04 Save $0.00

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

    Blue Sea Systems
    Original price $19.99
    Original price $19.99 - Original price $19.99
    Original price $19.99
    Current price $12.95
    $12.95 - $12.95
    Current price $12.95

    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 $19.99
    Original price $19.99 - Original price $19.99
    Original price $19.99
    Current price $12.95
    $12.95 - $12.95
    Current price $12.95
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    Blue Sea 2003 PowerPost High Amperage Cable Connector 3/8" Stud [2003]

    Blue Sea Systems
    Original price $19.99
    Original price $19.99 - Original price $19.99
    Original price $19.99
    Current price $12.95
    $12.95 - $12.95
    Current price $12.95

    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 $19.99
    Original price $19.99 - Original price $19.99
    Original price $19.99
    Current price $12.95
    $12.95 - $12.95
    Current price $12.95
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  • Save $4.04 Save $0.00

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

    Blue Sea Systems
    Original price $12.99
    Original price $12.99 - Original price $12.99
    Original price $12.99
    Current price $8.95
    $8.95 - $8.95
    Current price $8.95

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

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    Original price $12.99
    Original price $12.99 - Original price $12.99
    Original price $12.99
    Current price $8.95
    $8.95 - $8.95
    Current price $8.95
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    Blue Sea 2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud [2011]

    Blue Sea Systems
    Original price $12.99
    Original price $12.99 - Original price $12.99
    Original price $12.99
    Current price $8.95
    $8.95 - $8.95
    Current price $8.95

    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 $12.99
    Original price $12.99 - Original price $12.99
    Original price $12.99
    Current price $8.95
    $8.95 - $8.95
    Current price $8.95
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  • Save $12.04 Save $0.00

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

    Blue Sea Systems
    Original price $31.99
    Original price $31.99 - Original price $31.99
    Original price $31.99
    Current price $19.95
    $19.95 - $19.95
    Current price $19.95

    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 $31.99
    Original price $31.99 - Original price $31.99
    Original price $31.99
    Current price $19.95
    $19.95 - $19.95
    Current price $19.95
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    Blue Sea 2017 Dual PowerPost Cable Connectors - 2 x 3/8" [2017]

    Blue Sea Systems
    Original price $31.99
    Original price $31.99 - Original price $31.99
    Original price $31.99
    Current price $19.95
    $19.95 - $19.95
    Current price $19.95

    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 $31.99
    Original price $31.99 - Original price $31.99
    Original price $31.99
    Current price $19.95
    $19.95 - $19.95
    Current price $19.95
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    Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8" [2018]

    Blue Sea Systems
    Original price $31.99
    Original price $31.99 - Original price $31.99
    Original price $31.99
    Current price $19.95
    $19.95 - $19.95
    Current price $19.95

    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 $31.99
    Original price $31.99 - Original price $31.99
    Original price $31.99
    Current price $19.95
    $19.95 - $19.95
    Current price $19.95
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    Blue Sea 2019 PowerBar Common BusBar - Dual 3/8" x 16 [2019]

    Blue Sea Systems
    Original price $34.99
    Original price $34.99 - Original price $34.99
    Original price $34.99
    Current price $21.95
    $21.95 - $21.95
    Current price $21.95

    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 $34.99
    Original price $34.99 - Original price $34.99
    Original price $34.99
    Current price $21.95
    $21.95 - $21.95
    Current price $21.95
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    Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs [2020]

    Blue Sea Systems
    Original price $25.99
    Original price $25.99 - Original price $25.99
    Original price $25.99
    Current price $15.95
    $15.95 - $15.95
    Current price $15.95

    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 $25.99
    Original price $25.99 - Original price $25.99
    Original price $25.99
    Current price $15.95
    $15.95 - $15.95
    Current price $15.95
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  • Save $13.04 Save $0.00

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

    Blue Sea Systems
    Original price $36.99
    Original price $36.99 - Original price $36.99
    Original price $36.99
    Current price $23.95
    $23.95 - $23.95
    Current price $23.95

    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 $36.99
    Original price $36.99 - Original price $36.99
    Original price $36.99
    Current price $23.95
    $23.95 - $23.95
    Current price $23.95
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    Blue Sea 2102 PowerPost Plus Cable Connector - 5/16" Stud [2102]

    Blue Sea Systems
    Original price $36.99
    Original price $36.99 - Original price $36.99
    Original price $36.99
    Current price $23.95
    $23.95 - $23.95
    Current price $23.95

    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 $36.99
    Original price $36.99 - Original price $36.99
    Original price $36.99
    Current price $23.95
    $23.95 - $23.95
    Current price $23.95
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    Blue Sea 2103 PowerPost Plus Cable Connector 3/8" Stud [2103]

    Blue Sea Systems
    Original price $36.99
    Original price $36.99 - Original price $36.99
    Original price $36.99
    Current price $23.95
    $23.95 - $23.95
    Current price $23.95

    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 $36.99
    Original price $36.99 - Original price $36.99
    Original price $36.99
    Current price $23.95
    $23.95 - $23.95
    Current price $23.95
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