Engine Parts & Service - Alternators

Belt Buddy with Universal Offset Adjustment Arm (UAA2)Belt Buddy Kit; Includes the Universal Adjustment Arm (UAA2) with a 1/2" offset for mounting applications which require an offset to the alternator and Belt Buddy Mechanism (BB).To utilize only the adjustment mechanism with an existing adjustment...

Universal Adjustment Arm - OffsetUniversal Adjustment Arm for the Belt Buddy with a 1/2″ offset for certain mounting applications which require an offset. This part number is for the “Arm Only”, It does not come with the Belt Buddy Adjustment Mechanism.The Belt Buddy Mechanism...

Zeus A225S J-180 3.15" Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler...

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 Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre EnginesReplaces: 60-100-SR-IGThis product may not be returned to...

Replacement Alternator for Mercury Engines - 75-115 HPReplacement alternator that will fit Mercury Outboard Engines 75 HP - 115 HP, 12 Volt, 50 AMP, internal fan, 4 grooves, pulley included. Features: All alternators are engineered for performance and reliability. All alternators are engineered and manufactured...

Zeus A275L Transit Alternator with Terminal BlockHigh Output / High Amperage Alternator: The Highest Power Output in Its Class.Features: Replace your noisy generator! Engineered for high energy production. Suitable for marine, RV, military, and commercial applications. Rapidly charges large battery banks. Coolest operating temperatures...

Pulley Kit for Perkins 4170, 4108 (K6)AltMount®Serpentine Pulley Conversion Kit for Perkins/Sabre EnginesPerkins/Sabre Engines Covered: 4107, 4108Kit Includes: Three Six-Groove (K6) Pulleys, Two K6, 40″ Circumference Serpentine Belts (one spare) & Mounting HardwareNote: If you specify an AT-200A Alternator, a longer belt length may...

Zeus A8000-48V 8kW J180 4" Alternator with Isolated GroundThe ARCO Zeus A8000-48V alternator turns on at lower RPMs, runs cooler, and provides more power than other 48V alternators that are larger and heavier. This alternator continuously generates over 3kW (55 Amps)at  2,500 RPM and...

Pulley Kit for Yanmar 6LY, 6LYA-STP, 6LY2-STPAltMount® Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 6LY, 6LYA-STP, 6LY2-STPKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 55″ Circumference Serpentine Belts (one spare) & Mounting HardwareNote:  If you specify an AT-200A Alternator, a longer...

95 Series Alternator Pully, Altmount®AltMount® Serpentine PulleyTen-Groove (J10) Serpentine Pulley for 95-Series Alternators2.7″ Diameter, 0.875″ BoreThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Pulley Kit for Yanmar 4LH-AAltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel EnginesYanmar Engines Covered: 4LH-AKit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 47″ Circumference Serpentine Belts (one spare) & Mounting HardwareNote: If you specify an AT-200A Alternator, a longer belt length may be required.This...

Lehman Serp Pulley KitAltMount®Serpentine Pulley Conversion Kit for Ford/Lehman EnginesFord/Lehman Engines Covered: FL80, FL120Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 55" Circumference Serpentine Belts (one spare)Note:  If you specify an AT-200A Alternator, a longer belt length may be required. This product may not be...

Zeus A275L N62 Alternator with Clutch Pulley & RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20%...

Zeus A275L Transit Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent...

Zeus A275L N62 Alternator with RegulatorThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent...

Zeus A275L N62 Alternator with Terminal BlockThe highest power output alternator in its size/class. Features: Engineered for High Energy Production. Suitable for Marine, RV, Military, and Commercial applications. Rapidly charges large battery banks. Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than...

Alternator 170 AMP 12V 3.15" Dual Foot Saddle K6 PulleyAlternator, XT Series, 170A, 12V, Saddle Mount (Dual Foot), 3.15in, K6 Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre EnginesReplaces: AT-DF-165-12-IG, AT-DF-165-K6This product may not be returned to the original point...

Alternator 170 AMP 12V 3.15" Dual Foot Saddle J10 PulleyAlternator, XT Series, 170A, 12V, Saddle Mount (Dual Foot), 3.15in, J10 AltMount Serpentine Pulley, Case GroundHitachi-Style Mounting; Typical for Yanmar, Westerbeke, Lehman & Perkins-Sabre EnginesReplaces: AT-DF-165-12-IG, AT-DF-165-J10This product may not be returned to the original...

Offshore Repair Kit AT Series 200AMP 12V Includes Bearings, Brushes, RectifierOffshore Repair Kit, AT Series Alternators, 12V, 200AIncludes: Bearings, Brushes, RectifierThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount J10 Pulley Regulator & Temp SensorKit Includes: 621-100-J10 Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware621-100-J10 Alternator: 100A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine Pulley, Isolated Ground1" Motorola-Style Mounting;  Typical for Westerbeke,...