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 Premium Replacement Alternator w/65mm Multi-Groove Pulley - 12V 70A [20800]
Regular price $203.95 USDRegular price$257.08 USD-$53.13 USD Sale price $203.95 USD -
Vendor:ARCO Marine
ARCO Marine Premium Replacement Inboard Alternator w/Single Groove Pulley - 12V 55A [60125]
Regular price $237.95 USDRegular price$296.45 USD-$58.50 USD Sale price $237.95 USD -
Vendor:Mastervolt
Mastervolt Alternator Temperature Sensor [41500400]
Regular price $14.95 USDRegular price$25.99 USD-$11.04 USD Sale price $14.95 USD -
Vendor:ARCO Marine
ARCO Marine Zeus 24V 7kW 3.15 Alternator w/Isolated Ground [4501]
Regular price $1,427.80 USDRegular price$1,648.90 USD-$221.10 USD Sale price $1,427.80 USD -
Vendor:Balmar
Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount K6 Pulley Regulator Temp Sensor [621-VUP-MC-100-K6]
Regular price $925.00 USDRegular price$1,035.00 USD-$110.00 USD Sale price $925.00 USD -
Vendor:Balmar
Balmar Alternator 170 AMP Kit 12V 4" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [XT-DF4-170-K6-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 120 AMP Kit 120V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-120-J10]
Regular price $1,003.00 USDRegular price$1,122.00 USD-$119.00 USD Sale price $1,003.00 USD -
Vendor:Balmar
Balmar Alternator 3.15" Dual Foot Saddle J10 Serpentine Pulley - 170A - 12V [XT-DF-170-J10]
Regular price $984.00 USDRegular price$1,100.00 USD-$116.00 USD Sale price $984.00 USD -
Vendor:Balmar
Balmar Alternator 1-2" Single Foot K6 Serpentine Pulley Regulator Temp Sensor - 170A Kit - 12V [XT-SF-170-K6-KIT]
Regular price $1,220.00 USDRegular price$1,365.00 USD-$145.00 USD Sale price $1,220.00 USD -
Vendor:Balmar
Balmar Signal Stabilizer f/Tachometer [15-TSS]
Regular price $80.99 USDRegular price$89.99 USD-$9.00 USD Sale price $80.99 USD -
Vendor:Balmar
Balmar Pulley Kit f/Westerbeke 44A, 44B, 44C [48-WSP-44A]
Regular price $433.95 USDRegular price$495.00 USD-$61.05 USD Sale price $433.95 USD -
Vendor:Balmar
Balmar Belt Buddy w/Universal Offset Adjustment Arm (UAA2) [UBB2]
Regular price $89.99 USDRegular price$99.99 USD-$10.00 USD Sale price $89.99 USD -
Vendor:Balmar
Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-120-DV]
Regular price $766.00 USDRegular price$857.00 USD-$91.00 USD Sale price $766.00 USD -
Vendor:Balmar
Balmar Universal Adjustment Arm - Offset [UAA2]
Regular price $52.99 USDRegular price$58.99 USD-$6.00 USD Sale price $52.99 USD -
Vendor:Balmar
Balmar 621 Series Alternator - Spindle Mount(Single Foot) - 100A - 12V [621-100-SV]
Regular price $688.00 USDRegular price$770.00 USD-$82.00 USD Sale price $688.00 USD -
Vendor:Balmar
Balmar Universal Adjustment Arm [UAA]
Regular price $34.99 USDRegular price$38.99 USD-$4.00 USD Sale price $34.99 USD