Collection: Alternators

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Shop marine alternators, high-output alternators, alternator charging components, voltage regulation equipment and installation accessories for sailboats, powerboats, yachts and other marine applications.

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114 products

  • Save $18.19 USD
    ARCO Marine

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

    Regular price $256.99 USD
    Sale price $256.99 USD Regular price $275.18 USD

    Premium Replacement Alternator with Single Groove Pulley - 12V, 55APremium replacement alternator that will fit late model Mercruiser, 12 Volt, 55 Amp, Internal regulator. 2-inch mounting...

  • Save $30.83 USD
    ARCO Marine

    ARCO Marine Premium Replacement Alternator w/50mm Multi-Groove Pulley [20815]

    Regular price $309.99 USD
    Sale price $309.99 USD Regular price $340.82 USD

    Premium Replacement Alternator with 50mm Multi-Groove PulleyReplacement alternator that will fit Mercruiser 4.3L-6.2L, 12 Volt, 70 AMP, Internal Fan, 50-mm multi-groove serpentine pulley included.Features: All alternators...

  • Balmar

    Balmar Pulley Kit Yanmar f/3YM30 [48-YSP-3YM-B]

    Regular price $689.49 USD
    Sale price $689.49 USD Regular price $0.00 USD

    Pulley Kit Yanmar for 3YM30AltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 3YM30Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 39″ Circumference Serpentine Belts...

  • Save $191.70 USD
    Balmar

    Balmar Alternator 250 AMP Kit 12V 4" Dual Foot Saddle Dual Vee Pulley Regulator Temp Sensor [XT-DF4-250-DV-KIT]

    Regular price $1,571.99 USD
    Sale price $1,571.99 USD Regular price $1,763.69 USD

    Alternator 250 AMP Kit 12V 4" Dual Foot Saddle Dual Vee Pulley Regulator & Temp SensorKit Includes: XT-DF4-250-DV Alternator, MC-618 Regulator, Temperature Sensors & Mounting HardwareXT...

  • Save $44.70 USD
    Balmar

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

    Regular price $859.99 USD
    Sale price $859.99 USD Regular price $904.69 USD

    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...

  • Balmar

    Balmar Pulley Kit f/Perkins 4170, 4108 (K6) [48-PSP-410-A]

    Regular price $855.99 USD
    Sale price $855.99 USD Regular price $0.00 USD

    Pulley Kit for Perkins 4170, 4108 (K6)AltMount®Serpentine Pulley Conversion Kit for Perkins/Sabre EnginesPerkins/Sabre Engines Covered: 4107, 4108Kit Includes: Three Six-Groove (K6) Pulleys, Two K6, 40″ Circumference...

  • Save $132.40 USD
    Balmar

    Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-120-DV]

    Regular price $1,086.99 USD
    Sale price $1,086.99 USD Regular price $1,219.39 USD

    Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator & Temp SensorKit Includes: 621-120-DV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware621-120-DV Alternator:...

  • Save $33.30 USD
    Balmar

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

    Regular price $623.99 USD
    Sale price $623.99 USD Regular price $657.29 USD

    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...

  • Save $122.90 USD
    Balmar

    Balmar Kit 621 Series 100A Single FT Alt MC Reg T Sensor [621-VUP-MC-100-SV]

    Regular price $1,001.99 USD
    Sale price $1,001.99 USD Regular price $1,124.89 USD

    Kit 621 Series 100A Single FT Alt MC Reg T SensorKit Includes: 621-100-SV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware621-100-SV Alternator: 100A, 12V, Spindle Mount (Single Foot),...

  • Balmar

    Balmar Lehman Serp Pulley Kit [48-FSP-100]

    Regular price $855.99 USD
    Sale price $855.99 USD Regular price $0.00 USD

    Lehman Serp Pulley KitAltMount®Serpentine Pulley Conversion Kit for Ford/Lehman EnginesFord/Lehman Engines Covered: FL80, FL120Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 55" Circumference Serpentine Belts (one...

  • Save $122.90 USD
    Balmar

    Balmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-100-J10]

    Regular price $1,001.99 USD
    Sale price $1,001.99 USD Regular price $1,124.89 USD

    Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp SensorKit Includes: a 60-100-J10 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware60-100-J10 Alternator:...

  • Balmar

    Balmar Belt Buddy w/Universal Offset Adjustment Arm (UAA2) [UBB2]

    Regular price $110.29 USD
    Sale price $110.29 USD Regular price $0.00 USD

    Belt Buddy with Universal Offset Adjustment Arm (UAA2)Belt Buddy Kit; Includes the Universal Adjustment Arm (UAA2) with a 1/2" offset for mounting applications which require an...

  • Balmar

    Balmar Pulley Kit, Yanmar 4JH4-HTE-TE-DTE [48-YSP-4JH-B]

    Regular price $689.49 USD
    Sale price $689.49 USD Regular price $0.00 USD

    Pulley Kit, Yanmar 4JH4-HTE-TE-DTEThe AltMount® Serpentine Pulley Conversion Kit provides an easily installed solution to provide greater load transfer and reduce engine noise and vibration. While...

  • Balmar

    Balmar Pulley Kit f/Yanmar 3JH2-TE, 3JH2-E [48-YSP-3JH-C]

    Regular price $689.49 USD
    Sale price $689.49 USD Regular price $0.00 USD

    Pulley Kit for Yanmar 3JH2-TE, 3JH2-EAltMount® Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 3JH2-TE, 3JH2-EKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 45″...

  • Save $132.40 USD
    Balmar

    Balmar Alternator 120 AMP 12V 3.15" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [60-YP-MC-120-K6]

    Regular price $1,086.99 USD
    Sale price $1,086.99 USD Regular price $1,219.39 USD

    Alternator 120 AMP 12V 3.15" Dual Foot Saddle K6 Pulley Regulator & Temp SensorKit Includes: a 60-120-K6 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware60-120-DV Alternator: 120A,...

  • Balmar

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

    Regular price $689.49 USD
    Sale price $689.49 USD Regular price $0.00 USD

    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...

  • Save $132.40 USD
    Balmar

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

    Regular price $1,086.99 USD
    Sale price $1,086.99 USD Regular price $1,219.39 USD

    Alternator 120 AMP Kit 120V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp SensorKit Includes: a 60-120-J10 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware60-120-J10 Alternator:...

  • Balmar

    Barlmar Pulley Kit f/Yanmar 4LH-A [48-YSP-4LH-A]

    Regular price $689.49 USD
    Sale price $689.49 USD Regular price $0.00 USD

    Pulley Kit for Yanmar 4LH-AAltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 4LH-AKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 47″ Circumference Serpentine Belts...

  • Save $44.70 USD
    Balmar

    Balmar Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley w/Isolated Grounding [621-120-K6]

    Regular price $859.99 USD
    Sale price $859.99 USD Regular price $904.69 USD

    Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley with Isolated GroundingAlternator, 621 Series, 120A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Isolated...

  • Save $44.70 USD
    Balmar

    Balmar Alternator 120 Amp 12V 3.15" Dual foot Saddle Single K6 Pulley w/Isolated Grounding [60-120-K6]

    Regular price $859.99 USD
    Sale price $859.99 USD Regular price $904.69 USD

    Alternator 120 Amp 12V 3.15" Dual foot Saddle Single K6 Pulley with Isolated GroundingAlternator, 60 Series, 120A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley,...

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