102 products

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    Regular price $1,049.00
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    • 225 amps and 3,500 watts of charging capability with 2 to 3x faster charge times vs OEM units
    • Engineered to help recharge large lithium banks at significantly faster rates than typical OEM alternators
    • Built to support stabilizers, inverters, air conditioning, refrigeration, trolling motors, water and ice makers, and premium audio
    • Batteries continue charging even at low engine speeds, including idle, so power is available when and where you need it
    • Enables efficient charging without a dedicated engine or generator runtime
    ARCO Marine

    ARCO Marine Zeus A225OB-12V High Output Outboard Alternator Engineered Kit [40471]

    Code: ORA-114414Brand: ARCO Marine
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    Regular price $1,049.00
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    • 225 amps and 3,500 watts of charging capability with 2 to 3x faster charge times vs...
    • Engineered to help recharge large lithium banks at significantly faster rates than typical OEM alternators
    • Built to support stabilizers, inverters, air conditioning, refrigeration, trolling motors, water and ice makers, and premium...
    • Batteries continue charging even at low engine speeds, including idle, so power is available when and...
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    Regular price $1,427.80
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    • Engineered for high energy production.
    • Suitable for marine, RV, military, and commercial applications.
    • Rapidly charges large battery banks.
    • Coolest operating temperatures for increased performance:
    • Heat shedding coatings
    • Rectifier located on housing exterior
    • Dual cooling fans
    • OEM components
    • Optimized for performance at cruising speeds.
    • Reduces the need for a generator by creating additional power with your engine.
    • Unleash peak performance with E-Coat/Cerakote, keeping the high amp alternator cooler for sustained amperage output.
    • For maximum performance or lithium battery charging, use the ARCO Zeus Bluetooth Alternator Regulator.
    • SAE J1171 Certified.
    • Proudly made in the U.S.A.
    • Voltage - 24v
    • Field Type - P
    • Rotor Poles - 16
    • Stator Size - 138mm
    • Frame Size - Large
    • Weight - 15.89lbs/7.2kg
    • Regulation - External Only
    • Finish - (Black) E-coating
    • Cut-In RPM - 1,072 Alternator RPM
    • Maximum Alt RPM - 19,000
    • Battery Post - M8 Thread Post, Side Mount
    • Standard Pulley - 49K6 (6-groove, 49mm)
    • Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5
    • Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included)
    • Diodes - 6 positive, 6 negative, 50A Rated, Avalanche
    • Max Output (Cold, 9,000 RPM) at 27.5v - 144 Amps - 3,960 Watts – 5.7Kw PTO
    • Sustained Cruising Output (Hot, 6,000 RPM) at 27.5v - 130 Amps - 3,575 Watts – 5.1Kw PTO
    • Sustained Idle Output (Hot, 3,000 RPM) at 27.5v - 108 Amps - 2,970 Watts – 4.2kW PTO
    • Max Continuous Operating Temperature - 100°C / 212°F
    • Replaces most Volvo Penta alternators using a 4” J180 saddle-style mount.
    ARCO Marine

    ARCO Marine Zeus 24V 4kW Low Turn On (LTO) J180 4" Alternator w/Isolated Ground [4403]

    Code: ORA-107550Brand: ARCO Marine
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    Regular price $1,427.80
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    • Engineered for high energy production.
    • Suitable for marine, RV, military, and commercial applications.
    • Rapidly charges large battery banks.
    • Coolest operating temperatures for increased performance:

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    Regular price $1,403.99
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    • Amperage: 250A
    • Voltage: 12v
    • Box Dimensions: 9"H x 10"W x 10"L WT: 16 lbs
    • UPC: 676205502283
    Balmar

    Balmar Alternator 250 AMP 12V 3.15" Dual Foot Saddle K6 Pulley [XT-DF-250-K6]

    Code: ORA-97484Brand: Balmar
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    Regular price $1,403.99
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    • Amperage: 250A
    • Voltage: 12v
    • Box Dimensions: 9"H x 10"W x 10"L WT: 16 lbs
    • UPC: 676205502283

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    Regular price $379.69
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    Max Charge MC618 Multi-Stage Regulator without Harness - 12VBalmar'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" Color Display and/or...
    Balmar

    Balmar Max Charge MC618 Multi-Stage Regulator w/o Harness - 12V [MC-618]

    Code: ORA-89458Brand: Balmar
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    Regular price $379.69
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    Max Charge MC618 Multi-Stage Regulator without Harness - 12VBalmar's MC-618 Regulator communicates with the SG200 Battery Monitor to provide information...


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    Regular price $1,490.69
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    • Vortec K6 Serpentine Pulley Regulator & Temp Sensor
    • 170A Kit
    • Voltage: 12v
    • Amperage: 170A
    • Box Dimensions: 11"H x 11"W x 14"L WT: 17.25 lbs
    • UPC: 676205500883
    Balmar

    Balmar Alternator Vortec K6 Serpentine Pulley Regulator Temp Sensor - 170A - 12V [XT-VT-170-K6-KIT]

    Code: ORA-74958Brand: Balmar
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    Regular price $1,490.69
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    • Vortec K6 Serpentine Pulley Regulator & Temp Sensor
    • 170A Kit
    • Voltage: 12v
    • Amperage: 170A

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    Regular price $402.69
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    • Intelligent multi-stage regulation.
    • Digital numeric LED display.
    • Epoxy-encapsulated circuitry.
    • For use with 12 volt systems
    • Wiring harness included
    • Can be used to drive twin alternator installations.
    • For use with P-type externally regulated alternators
    • Dash lamp and auxiliary lamp terminals
    • Small engine mode
    • Magnetic programming tool included
    • LiFePo4 (lithium) program
    • Optional alternator and battery temperature sensors sold separately
    Balmar

    Balmar Max Charge MC-618 Regulator 12V w/Harness Multi-Stage [MC-618-H]

    Code: ORA-87062Brand: Balmar
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    Regular price $402.69
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    • Intelligent multi-stage regulation.
    • Digital numeric LED display.
    • Epoxy-encapsulated circuitry.
    • For use with 12 volt systems

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    Regular price $904.69
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    • Amperage: 120A
    • Voltage: 12v
    • Box Dimensions: 9"H x 10"W x 10"L WT: 13.65 lbs
    • UPC: 676205131025
    Balmar

    Balmar Alternator 120 AMP 12V 3.15" Dual Foot Saddle Dual Pulley w/Isolated Ground [60-120-DV]

    Code: ORA-97447Brand: Balmar
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    Regular price $904.69
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    • Amperage: 120A
    • Voltage: 12v
    • Box Dimensions: 9"H x 10"W x 10"L WT: 13.65 lbs
    • UPC: 676205131025

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    Regular price $1,143.99
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    • 4" Dual-Foot K6 Serpentine Pulley
    • 170A
    • Case Ground
    • J-180 Mount; Typical for John Deere, Cummins, & Caterpillar Engines
    • Amperage: 170A
    • Voltage: 12v
    • Box Dimensions: 9"H x 9"W x 10"L WT: 15 lbs
    • UPC: 676205503464
    Balmar

    Balmar Alternator 170 AMP 12V 4" Dual Foot Saddle K6 Pulley [XT-DF4-170-K6]

    Code: ORA-97485Brand: Balmar
    Low Stock — Only 2 Left

    Regular price $1,143.99
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    • 4" Dual-Foot K6 Serpentine Pulley
    • Case Ground
    • J-180 Mount; Typical for John Deere, Cummins, & Caterpillar Engines
    • Amperage: 170A

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    Regular price $1,143.99
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    • 1-2" Single Foot K6 Serpentine Pulley
    • 170A
    • Voltage: 12v
    • Amperage: 170A
    • Box Dimensions: 9"H x 10"W x 10"L WT: 14.45 lbs
    • UPC: 676205500852
    Balmar

    Balmar Alternator 1-2" Single Foot K6 Serpentine Pulley - 170A - 12V [XT-SF-170-K6]

    Code: ORA-74954Brand: Balmar
    Low Stock — Only 1 Left

    Regular price $1,143.99
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    • 1-2" Single Foot K6 Serpentine Pulley
    • Voltage: 12v
    • Amperage: 170A
    • Box Dimensions: 9"H x 10"W x 10"L WT: 14.45 lbs

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    Regular price $298.68
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    • All alternators are engineered for performance and reliability
    • All alternators are engineered and manufactured with precision and quality
    • All alternators must meet or exceed OEM performance before being boxed
    • Amperage: 55A
    • Voltage: 12v
    • Box Dimensions: 8"H x 8"W x 9"L WT: 11.3 lbs
    • UPC: 693006001265
    ARCO Marine

    ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055]

    Code: ORA-97209Brand: ARCO Marine
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    Regular price $298.68
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    • All alternators are engineered for performance and reliability
    • All alternators are engineered and manufactured with precision and quality
    • All alternators must meet or exceed OEM performance before being boxed
    • Amperage: 55A

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    Regular price $275.18
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    • All alternators are engineered for performance and reliability
    • All alternators are engineered and manufactured with precision and quality
    • All alternators must meet or exceed OEM performance before being boxed
    • Amperage: 55A
    • Voltage: 12v
    • Box Dimensions: 7"H x 8"W x 8"L WT: 9.75 lbs
    • UPC: 693006001258
    ARCO Marine

    ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A [60050]

    Code: ORA-97202Brand: ARCO Marine
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    Regular price $275.18
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    • All alternators are engineered for performance and reliability
    • All alternators are engineered and manufactured with precision and quality
    • All alternators must meet or exceed OEM performance before being boxed
    • Amperage: 55A

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    Regular price $1,490.69
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    • XT-DF4-170-K6 Alternator, MC-618-H Regulator, Temperature Sensors & Mounting Hardware
    • 4" Dual-Foot K6 Serpentine Pulley
    • 170A
    • Case Ground
    • J-180 Mount; Typical for John Deere, Cummins, & Caterpillar Engines
    • Amperage: 170A
    • Voltage: 12v
    • Box Dimensions: 11"H x 11"W x 14"L WT: 18.35 lbs
    • UPC: 676205503471
    Balmar

    Balmar Alternator 170 AMP Kit 12V 4" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [XT-DF4-170-K6-KIT]

    Code: ORA-97486Brand: Balmar
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    Regular price $1,490.69
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    • XT-DF4-170-K6 Alternator, MC-618-H Regulator, Temperature Sensors & Mounting Hardware
    • 4" Dual-Foot K6 Serpentine Pulley
    • Case Ground
    • J-180 Mount; Typical for John Deere, Cummins, & Caterpillar Engines

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    Regular price $1,490.69
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    • Amperage: 170A
    • Voltage: 12v
    • Box Dimensions: 10"H x 11"W x 14"L WT: 17 lbs
    • UPC: 676205503648
    Balmar

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

    Code: ORA-97475Brand: Balmar
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    Regular price $1,490.69
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    • Amperage: 170A
    • Voltage: 12v
    • Box Dimensions: 10"H x 11"W x 14"L WT: 17 lbs
    • UPC: 676205503648

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    Regular price $1,490.69
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    • Amperage: 170A
    • Voltage: 12v
    • Box Dimensions: 10"H x 11"W x 14"L WT: 17.5 lbs
    • UPC: 676205503594
    Balmar

    Balmar Alternator 170 AMP Kit 12V 3.15" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [XT-CR-170-K6-KIT]

    Code: ORA-97477Brand: Balmar
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    Regular price $1,490.69
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    • Amperage: 170A
    • Voltage: 12v
    • Box Dimensions: 10"H x 11"W x 14"L WT: 17.5 lbs
    • UPC: 676205503594

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    Regular price $1,124.89
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    • Amperage: 100A
    • Voltage: 12v
    • Box Dimensions: 10"H x 11"W x 14"L WT: 9.25 lbs
    • UPC: 676205750943
    Balmar

    Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount K6 Pulley Regulator Temp Sensor [621-VUP-MC-100-K6]

    Code: ORA-97465Brand: Balmar
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    Regular price $1,124.89
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    • Amperage: 100A
    • Voltage: 12v
    • Box Dimensions: 10"H x 11"W x 14"L WT: 9.25 lbs
    • UPC: 676205750943

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    Regular price $836.89
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    • Amperage: 100A
    • Voltage: 12v
    • Box Dimensions: 9"H x 9"W x 10"L WT: 13 lbs
    • UPC: 676205750578
    Balmar

    Balmar Alternator 100 AMP 12V 3.15" Dual Foot Saddle K6 Pulley w/Isolated Ground [60-100-K6]

    Code: ORA-97446Brand: Balmar
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    Regular price $836.89
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    • Amperage: 100A
    • Voltage: 12v
    • Box Dimensions: 9"H x 9"W x 10"L WT: 13 lbs
    • UPC: 676205750578

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    Regular price $1,219.39
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    • Amperage: 120A
    • Voltage: 12v
    • Box Dimensions: 11"H x 11"W x 14"L WT: 16.1 lbs
    • UPC: 676205751155
    Balmar

    Balmar Alternator 120 AMP Kit 120V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-120-J10]

    Code: ORA-85166Brand: Balmar
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    Regular price $1,219.39
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    • Amperage: 120A
    • Voltage: 12v
    • Box Dimensions: 11"H x 11"W x 14"L WT: 16.1 lbs
    • UPC: 676205751155

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    Regular price $689.49
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    Pulley Kit for Yanmar 3JH5, 3JH4-E, 4JH4-E, 4JH5, 4JH5-EAltMount® Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 3JH5, 3JH4-E, 4JH4-E, 4JH5Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 44.5″ Circumference Serpentine Belts (one spare) & Mounting HardwareNote:  If you specify an AT-200A Alternator, a longer belt length may...
    Balmar

    Balmar Pulley Kit f/Yanmar 3JH5, 3JH4-E, 4JH4-E, 4JH5, 4JH5-E [48-YSP-3JH-A]

    Code: ORA-85363Brand: Balmar
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    Regular price $689.49
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    Pulley Kit for Yanmar 3JH5, 3JH4-E, 4JH4-E, 4JH5, 4JH5-EAltMount® Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 3JH5,...


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    Regular price $1,143.99
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    • 3.15" Dual Foot Saddle
    • J10 Serpentine Pulley
    • 170A
    • Voltage: 12v
    • Amperage: 170A
    • Box Dimensions: 9"H x 10"W x 10"L WT: 13.8 lbs
    • UPC: 676205500777
    Balmar

    Balmar Alternator 3.15" Dual Foot Saddle J10 Serpentine Pulley - 170A - 12V [XT-DF-170-J10]

    Code: ORA-74946Brand: Balmar
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    Regular price $1,143.99
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    • 3.15" Dual Foot Saddle
    • J10 Serpentine Pulley
    • Voltage: 12v
    • Amperage: 170A

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    Regular price $332.51
    Sale price $332.51 Regular price
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    • All alternators are engineered for performance and reliability.
    • All alternators are engineered and manufactured with precision and quality.
    • All alternators must meet or exceed OEM performance before being boxed.
    • MERCURY Alternator 8M0065239
    • MERCURY Alternator 8M0057693 
    • MERCURY Alternator 8M0062515
    ARCO Marine

    ARCO Marine Replacement Alternator f/Mercury Engines - 135 150 HP

    Code: ORA-103976Brand: ARCO Marine
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    Regular price $332.51
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    • All alternators are engineered for performance and reliability.
    • All alternators are engineered and manufactured with precision and quality.
    • All alternators must meet or exceed OEM performance before being boxed.
    • MERCURY Alternator 8M0065239

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    Regular price $689.49
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    Pulley Kit for Volvo D2-55, A, B, C, D, E, FAltMount® Serpentine Pulley Conversion Kit for Volvo Penta Diesel EnginesVolvo Penta Engines Covered: D2-55A, B, C, D, E, FKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 44″ Circumference Serpentine Belts (one spare) & Mounting HardwareNote: If you specify an AT-200A...
    Balmar

    Balmar Pulley Kit f/Volvo D2-55, A, B, C, D, E, F [48-VSP-D2-A]

    Code: ORA-107967Brand: Balmar
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    Regular price $689.49
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    Pulley Kit for Volvo D2-55, A, B, C, D, E, FAltMount® Serpentine Pulley Conversion Kit for Volvo Penta Diesel EnginesVolvo...


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    Regular price $1,124.89
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    • Amperage: 100A
    • Voltage: 12v
    • Box Dimensions: 10"H x 10"W x 14"L WT: 14 lbs
    • UPC: 676205750936
    Balmar

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

    Code: ORA-97463Brand: Balmar
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    Regular price $1,124.89
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    • Amperage: 100A
    • Voltage: 12v
    • Box Dimensions: 10"H x 10"W x 14"L WT: 14 lbs
    • UPC: 676205750936

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    Regular price $836.89
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    • Amperage: 100A
    • Voltage: 12v
    • Box Dimensions: 9"H x 10"W x 10"L WT: 13.65 lbs
    • UPC: 676205750790
    Balmar

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

    Code: ORA-97458Brand: Balmar
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    Regular price $836.89
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    • Amperage: 100A
    • Voltage: 12v
    • Box Dimensions: 9"H x 10"W x 10"L WT: 13.65 lbs
    • UPC: 676205750790

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    Regular price $164.39
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    • Battery switch disconnects
    • Lithium battery BMS disconnects
    • Surges from solenoids, combiners, starters, and other motors.
    Balmar

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

    Code: ORA-97429Brand: Balmar
    Low Stock — Only 4 Left

    Regular price $164.39
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    • Battery switch disconnects
    • Lithium battery BMS disconnects
    • Surges from solenoids, combiners, starters, and other motors.