Power your adventures with confidence using high-performance marine alternators built for life on the water. This collection features rugged, corrosion-resistant alternators designed specifically for the harsh demands of marine environments. Whether you're upgrading your charging system or replacing a worn-out unit, these alternators deliver reliable power to keep your batteries charged and onboard electronics running smoothly. With options for inboard and outboard systems, high-output models, and dual-output configurations, you'll find the right fit for everything from cruising sailboats to high-demand commercial vessels. Built tough. Engineered to perform. Ready when you are.
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Vendor:ARCO Marine
ARCO Marine Zeus A275L J180 4" Alternator w/Isolated Ground Terminal Block [4023]
Regular price $1,096.70 USDRegular price$1,249.60 USD-$152.90 USD Sale price $1,096.70 USD -
Vendor:Balmar
Balmar Alternator 170 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [XT-CR-170-J10-KIT]
Regular price $1,220.00 USDRegular price$1,365.00 USD-$145.00 USD Sale price $1,220.00 USD -
Vendor:Balmar
Balmar Alternator 250 AMP 12V 3.15" Dual Foot Saddle K6 Pulley [XT-DF-250-K6]
Regular price $1,207.00 USDRegular price$1,350.00 USD-$143.00 USD Sale price $1,207.00 USD -
Vendor:Balmar
Balmar Regulator Kit f/Valeo w/MC-618 [MC-618-VL-01]
Regular price $535.00 USDRegular price$599.00 USD-$64.00 USD Sale price $535.00 USD -
Vendor:ARCO Marine
ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A [60050]
Regular price $209.95 USDRegular price$262.08 USD-$52.13 USD Sale price $209.95 USD -
Vendor:Balmar
Balmar 621 Series 120A Kit w/MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot Mounting Hardware [621-VUP-MC-120-K6]
Regular price $1,003.00 USDRegular price$1,122.00 USD-$119.00 USD Sale price $1,003.00 USD -
Vendor:Balmar
Balmar Max Charge MC618 Multi-Stage Regulator w/o Harness - 12V [MC-618]
Regular price $309.00 USDRegular price$346.00 USD-$37.00 USD Sale price $309.00 USD -
Vendor:Balmar
Balmar Offshore Repair Kit 60 Series 12V w/Bearings, Brushes, Regulator/Rectifier [7060]
Regular price $182.00 USDRegular price$203.00 USD-$21.00 USD Sale price $182.00 USD -
Vendor:Balmar
Balmar Alternator 120 AMP 12V 4" Dual Foot Saddle K6 Pulley w/Isolated Ground [604-120-K6]
Regular price $766.00 USDRegular price$857.00 USD-$91.00 USD Sale price $766.00 USD -
Vendor:Balmar
Balmar Alternator 250 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [XT-DF-250-J10-KIT]
Regular price $1,444.00 USDRegular price$1,615.00 USD-$171.00 USD Sale price $1,444.00 USD -
Vendor:Balmar
Balmar Alternator Vortec K6 Serpentine Pulley Regulator Temp Sensor - 170A - 12V [XT-VT-170-K6-KIT]
Regular price $1,220.00 USDRegular price$1,365.00 USD-$145.00 USD Sale price $1,220.00 USD -
Vendor:ARCO Marine
ARCO Marine Premium Replacement Alternator w/Single-Groove Pulley - 12V, 70A [20810]
Regular price $226.95 USDRegular price$285.63 USD-$58.68 USD Sale price $226.95 USD -
Vendor:Balmar
Balmar Temperature Sensor Alternator - 80" Length [MC-TS-A80]
Regular price $40.99 USDRegular price$45.99 USD-$5.00 USD Sale price $40.99 USD -
Vendor:Balmar
Balmar Max Charge MC-618 Multi-Stage Regulator w/ 54" Harness - 12V [MC-618-H]
Regular price $328.00 USDRegular price$367.00 USD-$39.00 USD Sale price $328.00 USD -
Vendor:Balmar
Balmar Temp Sensor Battery - 20 [MC-TS-B]
Regular price $47.99 USDRegular price$53.99 USD-$6.00 USD Sale price $47.99 USD -
Vendor:Balmar
Balmar Temp Sensor Alternator - 54" Length [MC-TS-A]
Regular price $38.99 USDRegular price$42.99 USD-$4.00 USD Sale price $38.99 USD