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Marine Electrical systems are the backbone of a dependable and efficient vessel, delivering the power needed to keep your essential equipment operating at its best. Designed to perform in demanding marine environments, today's electrical components combine rugged durability, reliable performance, and advanced technology to withstand moisture, vibration, and corrosion. From batteries, battery chargers, inverters, switches, circuit protection, wiring, and power distribution panels to complete electrical accessories, the right equipment helps ensure safe, consistent power throughout your boat. Whether you're upgrading an existing electrical system or building a new one, premium marine electrical products provide the reliability and confidence trusted by boaters and marine professionals alike. Explore our selection of marine electrical solutions and let our experts help you find the right components to power every adventure on the water.

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  • Sea-Dog 36" SAE Power Cable Polarized Electrical Connector [426903-1]
    Sea-Dog

    Sea-Dog 36" SAE Power Cable Polarized Electrical Connector [426903-1]

    $10.11
    $12.95
    $10.11
    36" SAE Power Cable Polarized Electrical ConnectorThis SAE-type polarized electrical connector is a two-prong plug and socket connector set. Features:14-gauge duplex wireSpecifications: Length: 36 in. Volts: 12-24 Max Amps: 20A @ 12V Wire Gauge: 14 AWM Weight: 0.17 lb. Specifications: Type: Cables Box Dimensions: 1"H...
    $10.11
    $12.95
    $10.11
  • Sea-Dog Dual USB Rocker Switch Style Power Socket [426520-1]
    Sea-Dog

    Sea-Dog Dual USB Rocker Switch Style Power Socket [426520-1]

    $30.37
    $43.33
    $30.37
    Dual USB Rocker Switch Style Power Socket This USB rocker switch power socket charges two devices simultaneously. Fits into any 13/16” X 1-7/16” rocker switch hole. Input 12–24VDC. Total output DC 5V/4.8A with the load being split between the two sides as needed. Enough power...
    $30.37
    $43.33
    $30.37
  • Sea-Dog Heavy Duty Battery Box Strap - 48" [415082-1]
    Sea-Dog

    Sea-Dog Heavy Duty Battery Box Strap - 48" [415082-1]

    $17.35
    $22.79
    $17.35
    Heavy Duty Battery Box Strap - 48" Heavy Duty Battery Box Strap includes a woven polypropylene strap, stainless steel buckle, two chrome plated brass brackets, and four #8 FH fasteners. WARNING: This product can expose you to chemicals which are known to the State of...
    $17.35
    $22.79
    $17.35
  • Blue Sea 5061 Waterproof Inline Fuse Holder AGC/MDL [5061]
    Blue Sea Systems

    Blue Sea 5061 Waterproof Inline Fuse Holder AGC/MDL [5061]

    $15.90
    $21.69
    $15.90
    Waterproof In-Line Fuse Holder Accepts 12-18 AWG wire 30A maximum fuse amperage Fuse sold seperatelyWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more...
    $15.90
    $21.69
    $15.90
  • Blue Sea 8268 1 Position Contura Switch Mounting Panel [8268]
    Blue Sea Systems

    Blue Sea 8268 1 Position Contura Switch Mounting Panel [8268]

    $10.11
    $13.01
    $10.11
    8268Contura Switch Mounting Panel1 Position Mounting Panel Modular design permits easy assembly in groups of varying sizes Designed for mounting in 6 different panel thicknesses: 0.06" (1.57mm) 0.09" (2.36mm) 0.13" (3.17mm)0.19" (4.75mm) 0.25" (6.35mm) 0.38" (9.52mm) WARNING: This product can expose you to chemicals...
    $10.11
    $13.01
    $10.11
  • Seaview Black Plastic Vertical Cable Seal f/Wire Up to 13.5mm/0.53" [CG20PB]
    Seaview

    Seaview Black Plastic Vertical Cable Seal f/Wire Up to 13.5mm/0.53" [CG20PB]

    $28.94
    $36.17
    $28.94
    Black Plastic Vertical Cable Seal for Wire Up to 13.5mm/0.53"The Seaview Cable Seals (also known as CableClams, Cable Glands, or Deck Seals) provide waterproof cable routing. These are made of very strong plastic or marine grade 316 stainless steel and come in a variety...
    $28.94
    $36.17
    $28.94
  • Guest Extra-Duty On/Off Diesel Power Battery Switch [2304A]
    Guest

    Guest Extra-Duty On/Off Diesel Power Battery Switch [2304A]

    $306.71
    $585.94
    $306.71
    Extra-Duty On/Off Diesel Power Battery Switch3 studs heavy-duty diesel power battery switches are built with heavy-duty copper sweep contacts to ensure positive circuit control. Rugged internal components are protected by a tough, impact-resistant polycarbonate housing that is impervious to the elements. They also feature...
    $306.71
    $585.94
    $306.71
  • Balmar Pulley Kit f/Yanmar 4JH3-TE, 4JH3-HTE [48-YSP-4JH-D]
    Balmar

    Balmar Pulley Kit f/Yanmar 4JH3-TE, 4JH3-HTE [48-YSP-4JH-D]

    $997.55
    $0.00
    $997.55
    Pulley Kit for Yanmar 4JH3-TE, 4JH3-HTEAltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 4JH3, -TE, -THEKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 48″ Circumference Serpentine Belts (one spare) & Mounting HardwareNote: If you specify an AT-200A Alternator, a longer belt length...
    $997.55
    $0.00
    $997.55
  • Pacer Switch Panel - 2 Switch 1 Row - 3" x 2.75" - Black Powder Coated Aluminum [PSC-21-BK]
    Pacer

    Pacer Switch Panel - 2 Switch 1 Row - 3" x 2.75" - Black Powder Coated Aluminum [PSC-21-BK]

    $11.56
    $17.23
    $11.56
    Switch Panel - 2 Switch & 1 Row - 3" x 2.75" - Black Powder Coated AluminumPacer panel blanks are cut from .090" thick 5052 H32 marine grade aluminum and powder coated on all sides for maximum durability. This way they can easily handle...
    $11.56
    $17.23
    $11.56
  • Pacer Yellow 18 AWG Wire Ferrule - 6mm Length - 25 Pack [TFRL18-6MM-25]
    Pacer

    Pacer Yellow 18 AWG Wire Ferrule - 6mm Length - 25 Pack [TFRL18-6MM-25]

    $5.77
    $7.77
    $5.77
    Yellow 18 AWG Wire Ferrule - 6mm Length - 25 PackWire fraying can quickly become a problem when dealing with IEC (European)-style terminal blocks. As the wire frays, the connection becomes weaker, and the problem will need to be addressed. But all that can...
    $5.77
    $7.77
    $5.77
  • Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-100-DV]
    Balmar

    Balmar Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-100-DV]

    $1,017.08
    $1,210.81
    $1,017.08
    Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley with Isolated GroundAlternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;...
    $1,017.08
    $1,210.81
    $1,017.08
  • Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-100-DV]
    Balmar

    Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-100-DV]

    $1,367.20
    $1,627.48
    $1,367.20
    Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator & Temp SensorKIt Includes: 621-100-DV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware621-100-DV Alternator: 100A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground1" Motorola-Style Mounting;  Typical for...
    $1,367.20
    $1,627.48
    $1,367.20
  • Balmar Alternator Protection Module - 48V [APM-48]
    Balmar

    Balmar Alternator Protection Module - 48V [APM-48]

    $209.77
    $237.84
    $209.77
    Alternator Protection Module - 48VThe Balmar APM provides best-in-class surge protection using the latest technology developed for the automotive industry. Protect Alternators From Damaging Effects: Battery switch disconnects Lithium battery BMS disconnects Surges from solenoids, combiners, starters, and other motors. The Balmar APM excels in...
    $209.77
    $237.84
    $209.77
  • Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-120-DV]
    Balmar

    Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-120-DV]

    $1,099.55
    $1,308.90
    $1,099.55
    Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley with Isolated GroundAlternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground 1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines 2" Delco-Style Mounting;...
    $1,099.55
    $1,308.90
    $1,099.55
  • Pacer Orange 18 AWG Primary Wire - 100 [WUL18OR-100]
    Pacer

    Pacer Orange 18 AWG Primary Wire - 100 [WUL18OR-100]

    $23.13
    $41.67
    $23.13
    Orange 18 AWG Primary Wire - 100'Pacer's marine wire is designed to handle the harshest marine environments.  It is manufactured to meet and exceed the most stringent specifications.  This 18 AWG marine wire is constructed in the USA to achieve the highest level of...
    $23.13
    $41.67
    $23.13
  • Pacer Yellow 16 AWG Primary Wire - 100 [WUL16YL-100]
    Pacer

    Pacer Yellow 16 AWG Primary Wire - 100 [WUL16YL-100]

    $27.47
    $41.96
    $27.47
    Yellow 16 AWG Primary Wire - 100' Pacer's marine wire is designed to handle the harshest marine environments.  It is manufactured to meet and exceed the most stringent specifications.  This 16 AWG marine wire is constructed in the USA to achieve the highest level of...
    $27.47
    $41.96
    $27.47
  • Pacer Green 18 AWG Primary Wire - 100 [WUL18GN-100]
    Pacer

    Pacer Green 18 AWG Primary Wire - 100 [WUL18GN-100]

    $23.13
    $41.67
    $23.13
    Green 18 AWG Primary Wire - 100' Pacer's marine wire is designed to handle the harshest marine environments.  It is manufactured to meet and exceed the most stringent specifications.  This 18 AWG marine wire is constructed in the USA to achieve the highest level of...
    $23.13
    $41.67
    $23.13
  • Balmar Regulator Kit f/Valeo w/MC-618 [MC-618-VL-01]
    Balmar

    Balmar Regulator Kit f/Valeo w/MC-618 [MC-618-VL-01]

    $798.61
    $950.96
    $798.61
    Regulator Kit for Valeo with MC-618Balmar's MC-618 Regulator communicates with the SG200 Battery Monitor to provide information to the SG200 Color Display and Smartphone App.  Now you can see how the MC-618 Regulator is directing your onboard charging activity from either the SG200 2"...
    $798.61
    $950.96
    $798.61
  • Balmar Alternator 3.15" Dual Foot Saddle J10 Serpentine Pulley Regulator Temp Sensor - 170A Kit - 12V [XT-DF-170-J10-KIT]
    Balmar

    Balmar Alternator 3.15" Dual Foot Saddle J10 Serpentine Pulley Regulator Temp Sensor - 170A Kit - 12V [XT-DF-170-J10-KIT]

    $1,812.81
    $2,156.72
    $1,812.81
    Alternator 3.15" Dual Foot Saddle J10 Serpentine Pulley Regulator & Temp Sensor - 170A Kit - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and improved heat-sinking capabilities on...
    $1,812.81
    $2,156.72
    $1,812.81
  • Balmar Universal Adjustment Arm [UAA]
    Balmar

    Balmar Universal Adjustment Arm [UAA]

    $54.96
    $62.34
    $54.96
    Universal Adjustment ArmFeatures: This part number is for the “Arm Only”, It does not come with the Belt Buddy Adjustment Mechanism The Belt Buddy Mechanism which goes with the UAA is part number BB, grouped together the set is part number UBB The Belt...
    $54.96
    $62.34
    $54.96