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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-$49.00 USD
Vendor:BalmarBalmar Alternator 170 Amp, 12V Single Foot Internal Regulator K6 Pulley [XT-SF-170-IR]
Regular price $539.00 USDRegular price$588.00 USD-$49.00 USD Sale price $539.00 USD -
-$58.47 USD
Vendor:ARCO MarineARCO Marine Premium Replacement Alternator w/Multi-Groove Serpentine Pulley - 12V 65A [60060]
Regular price $241.95 USDRegular price$300.42 USD-$58.47 USD Sale price $241.95 USD -
-$54.19 USD
Vendor:ARCO MarineARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055]
Regular price $224.95 USDRegular price$279.14 USD-$54.19 USD Sale price $224.95 USD -
-$54.72 USD
Vendor:ARCO MarineARCO Marine Replacement Alternator f/Mercury Engines - 135 150 HP [20851]
Regular price $261.95 USDRegular price$316.67 USD-$54.72 USD Sale price $261.95 USD -
-$99.25 USD
Vendor:ARCO MarineARCO Marine Premium Replacement Outboard Alternator w/Multi-Groove Pulley - 12V 50A [20850]
Regular price $396.95 USDRegular price$496.20 USD-$99.25 USD Sale price $396.95 USD -
-$152.90 USD
Vendor:ARCO MarineARCO 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 -
-$145.00 USD
Vendor:BalmarBalmar 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 -
-$143.00 USD
Vendor:BalmarBalmar 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 -
-$64.00 USD
Vendor:BalmarBalmar 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 -
-$52.13 USD
Vendor:ARCO MarineARCO 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 -
-$119.00 USD
Vendor:BalmarBalmar 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 -
-$21.00 USD
Vendor:BalmarBalmar 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 -
-$91.00 USD
Vendor:BalmarBalmar 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 -
-$145.00 USD
Vendor:BalmarBalmar 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 -
-$58.68 USD
Vendor:ARCO MarineARCO 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 -
-$85.25 USD
Vendor:ARCO MarineARCO Marine Premium Replacement Outboard Alternator - Verado 12V 70A [20860]
Regular price $337.95 USDRegular price$423.20 USD-$85.25 USD Sale price $337.95 USD