Keep your boat's electrical system running smoothly with our collection of marine-grade engine alternators. Built to withstand the harsh marine environment, these high-performance alternators provide dependable charging power for your batteries and onboard electronics.
Whether you're replacing a worn-out unit or upgrading for higher output, our alternators are designed for durability, corrosion resistance, and consistent performance under load. Ideal for powering everything from navigation systems to fish finders and lighting, they help ensure you're never left without power on the water.
Shop now and choose from a range of 12V and 24V boat engine alternators compatible with leading marine engine brands—because when you're offshore, reliable power isn't optional, it's essential.
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-$63.02 USD
Vendor:ARCO MarineARCO Marine Premium Replacement Inboard Alternator w/55mm Multi-Groove Pulley - 12V 65A [60073]
Regular price $259.95 USDRegular price$322.97 USD-$63.02 USD Sale price $259.95 USD -
-$86.77 USD
Vendor:ARCO MarineARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V 70A [20102]
Regular price $167.95 USDRegular price$254.72 USD-$86.77 USD Sale price $167.95 USD -
-$138.94 USD
Vendor:BalmarBalmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-100-J10]
Regular price $985.95 USDRegular price$1,124.89 USD-$138.94 USD Sale price $985.95 USD -
-$141.04 USD
Vendor:BalmarBalmar Alternator 3.15" Dual Foot Saddle K6 Serpentine Pulley - 170A - 12V [XT-DF-170-K6]
Regular price $1,002.95 USDRegular price$1,143.99 USD-$141.04 USD Sale price $1,002.95 USD -
-$35.34 USD
Vendor:BalmarBalmar Digital Duo Charge - 12/24V [DDC-12/24]
Regular price $248.95 USDRegular price$284.29 USD-$35.34 USD Sale price $248.95 USD -
-$39.84 USD
Vendor:BalmarBalmar ARS Multi-Stage Regulator w/Harness - 12V [ARS-5-H]
Regular price $283.95 USDRegular price$323.79 USD-$39.84 USD Sale price $283.95 USD -
-$330.00 USD
Vendor:ARCO MarineARCO Marine Zeus A8000-48V 8kW N62 Alternator w/Clutch Pulley [4604]
Regular price $1,978.90 USDRegular price$2,308.90 USD-$330.00 USD Sale price $1,978.90 USD -
-$221.10 USD
Vendor:ARCO MarineARCO Marine Zeus 24V 7kW 3.15 Alternator w/Isolated Ground (Common Rail) [4502]
Regular price $1,427.80 USDRegular price$1,648.90 USD-$221.10 USD Sale price $1,427.80 USD -
-$122.10 USD
Vendor:ARCO MarineARCO Marine Zeus A225S Vortec Alternator w/Regulator [4018]
Regular price $877.80 USDRegular price$999.90 USD-$122.10 USD Sale price $877.80 USD -
-$152.90 USD
Vendor:ARCO MarineARCO Marine Zeus A275L Vortec Alternator w/Regulator [4034]
Regular price $1,096.70 USDRegular price$1,249.60 USD-$152.90 USD Sale price $1,096.70 USD -
-$137.50 USD
Vendor:ARCO MarineARCO Marine Zeus A275L Vortec Alternator w/Terminal Block [4033]
Regular price $986.70 USDRegular price$1,124.20 USD-$137.50 USD Sale price $986.70 USD -
-$152.90 USD
Vendor:ARCO MarineARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Regulator [4029]
Regular price $1,096.70 USDRegular price$1,249.60 USD-$152.90 USD Sale price $1,096.70 USD -
-$137.50 USD
Vendor:ARCO MarineARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Terminal Block [4027]
Regular price $986.70 USDRegular price$1,124.20 USD-$137.50 USD Sale price $986.70 USD -
-$144.10 USD
Vendor:ARCO MarineARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley Terminal Block [4026]
Regular price $1,041.70 USDRegular price$1,185.80 USD-$144.10 USD Sale price $1,041.70 USD -
-$137.50 USD
Vendor:ARCO MarineARCO Marine Zeus A275L J-180 4" Alternator w/Terminal Block [4022]
Regular price $986.70 USDRegular price$1,124.20 USD-$137.50 USD Sale price $986.70 USD -
-$376.05 USD
Vendor:ARCO MarineARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley Regulator [A275L-12-N62-IE-50K6CP]
Regular price $815.95 USDRegular price$1,192.00 USD-$376.05 USD Sale price $815.95 USD