Aftermarket Alternators

Zeus A8000-48V 8kW N62 Alternator with Clutch PulleyThe ARCO Zeus A8000-48V alternator turns on at lower RPMs, runs cooler, and provides more power than other 48V alternators that are larger and...

Arco Mercruiser Alternator - 6006512 volt, 65 ampMercruiser 805447TInternal regulator2-inch mounting footSingle groove pulley included

Arco OMC Alternator - 4015212 volt - 70 ampReplaces: PrestoliteInternal regulator, negative groundSingle groove pulley

Arco Replacement Inboard Alternator - 20100Fits many diesel enginesSelf exciting internal regulatorNegative ground1-wire connectionSingle groove pulley2" mounting foot

Arco Universal / Crusader - 6010412 volt - 55 ampInternal regulatorNegative groundSingle groove pulley

Zeus Alternator Shield - 12VProtect Your Alternator from Voltage Spikes & Disconnect EventsThe ARCO Zeus Alternator Shield is engineered to protect high-output alternators from damaging voltage...

Zeus High-Energy Alternator RegulatorARCO’s Zeus is the only high-energy external alternator regulator to feature Bluetooth and a native app (on IOS and Android) allowing for easy installation and...

60 Series Alternator - Saddle Mount(Dual Foot) - 100A - 12VFeatures:100A12VSaddle Mount (Dual Foot)3.15" Single Deep Vee PulleyIsolated GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke,...

621 Series 120A Kit with MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot & Mounting HardwareKit Includes: 621-120-K6 AlternatorMC-618 RegulatorTemperature SensorsMounting Hardware621-120-K6...

Balmar 97XD24190K697XD Series Alternator190A, 24V, Saddle Mount (Dual Foot), K6 Serpentine*, Case Ground 4", J-180-Style Mounting; Typical for Caterpillar, Cummins, Detroit Diesel & John Deere Engines

Alternator 1-2" Single Foot Dual V Pulley Regulator & Temp Sensor - 170A Kit - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications...

Alternator 1-2" Single Foot J10 Serpentine Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high...

Alternator 1-2" Single Foot K6 Serpentine Pulley - 170A - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high...

Alternator 1-2" Single Foot K6 Serpentine Pulley Regulator & Temp Sensor - 170A Kit - 12VBalmar offers a wide range of alternator power upgrades designed specifically for marine industry applications...

Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley with Isolated GroundAlternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, Dual Deep Vee Pulley, Isolated Ground...

Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount J10 Pulley with Isolated GroundAlternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine Pulley, Isolated...

Alternator 100 AMP 12V 1-2" Single Foot Spindle Mount K6 Pulley with Isolated GroundAlternator, 621 Series, 100A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Isolated Ground 1"...

Alternator 100 AMP 12V 3.15" Dual Foot Saddle K6 Pulley with Isolated GroundAlternator, 60 Series, 100A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Isolated Ground Hitachi-Style...

Alternator 100 AMP 12V 3.15" Dual Foot Saddle Pulley with Isolated GroundAlternator, 60 Series, 100A, 12V, Saddle Mount (Dual Foot), 3.15in, Dual Deep Vee Pulley, Isolated Ground Hitachi-Style...

Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator & Temp SensorKIt Includes: 621-100-DV Alternator, MC-618 Regulator, Temperature Sensors, Mounting...