Engine Parts & Service - Alternators

116 products


  • Sale -12%Last stock! ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Regulator [4029]

    ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Regulator [4029]

    2 in stock

    Zeus A275L 1"-2" Single Foot 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 alternators due to Heat shedding coatings, Rectifier located on housing exterior, Dual cooling fans, and OEM Components. It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator or lithium battery charging for maximum performance. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most domestic styles using a single 1” or 2” mounting foot (e.g., Motorola, Prestolite) Quick Guide (pdf)

    2 in stock

    $1,249.60$1,096.70

  • Sale -12%Last stock! ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Terminal Block [4027]

    ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Terminal Block [4027]

    2 in stock

    Zeus A275L 1"-2" Single Foot 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 incumbent alternators due to: Heat shedding coatings, Rectifier located on housing exterior, Dual cooling fans, and OEM Components. It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator or lithium battery charging for maximum performance. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most domestic styles using a single 1” or 2” mounting foot (e.g., Motorola, Prestolite) Quick Guide (pdf)

    2 in stock

    $1,124.20$986.70

  • Sale -12%Last stock! ARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley  Terminal Block [4026]

    ARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley Terminal Block [4026]

    2 in stock

    Zeus A275L N62 Alternator with Clutch Pulley & 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 incumbent alternators due to: Heat shedding coatings, Rectifier located on housing exterior, Dual cooling fans, and OEM Components. It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator or lithium battery charging for maximum performance. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Mercedes Sprinter 1999-2006 alternators, Mercedes Sprinter Factory dual alternator 2007-Up Replacement. Replaces Roadtrek Mercedes Dual alternator Quick Guide (pdf)

    2 in stock

    $1,185.80$1,041.70

  • Sale -12%Last stock! ARCO Marine Zeus A275L J-180 4" Alternator w/Terminal Block [4022]

    ARCO Marine Zeus A275L J-180 4" Alternator w/Terminal Block [4022]

    5 in stock

    Zeus A275L J-180 4" 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. It runs 8 - 20% cooler than incumbent alternators due to heat-shedding coatings, a refrigerator on the housing exterior, dual cooling fans, and OEM components. It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator or lithium battery charging for maximum performance. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most Volvo Penta alternators using a 4” J180 saddle-style mount Quick Guide (pdf)

    5 in stock

    $1,124.20$986.70

  • Sale -36%Last stock! ARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley  Regulator [A275L-12-N62-IE-50K6CP] ARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley  Regulator [A275L-12-N62-IE-50K6CP]

    ARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley Regulator [A275L-12-N62-IE-50K6CP]

    1 in stock

    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% cooler than incumbent alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Mercedes Sprinter 1999-2006 alternators, Mercedes Sprinter Factory dual alternator 2007-Up Replacement. Replaces Roadtrek Mercedes Dual alternatorThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Quick Guide (pdf)Brochure (pdf)

    1 in stock

    $1,192.00$761.50

  • Sale -33%Last stock! ARCO Marine Zeus A275L Transit Alternator w/Regulator [A275L-12-TR-IE-49K6] ARCO Marine Zeus A275L Transit Alternator w/Regulator [A275L-12-TR-IE-49K6]

    ARCO Marine Zeus A275L Transit Alternator w/Regulator [A275L-12-TR-IE-49K6]

    1 in stock

    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 alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces Ford Transit alternators 3.5L & 3.7L Gas engines 2015-2022This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Quick Guide (pdf)Brochure (pdf)

    1 in stock

    $1,136.00$761.50

  • Last stock! ARCO Marine Zeus A275L N62 Alternator w/Regulator [A275L-12-N62-IE-49K6] ARCO Marine Zeus A275L N62 Alternator w/Regulator [A275L-12-N62-IE-49K6]

    ARCO Marine Zeus A275L N62 Alternator w/Regulator [A275L-12-N62-IE-49K6]

    2 in stock

    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 alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most Mercedes and BMW alternators, Mercedes Sprinter 1999-2006 alternators, Mercedes Sprinter Factory dual alternator 2007-Up ReplacementThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Quick Guide (pdf)Brochure (pdf)

    2 in stock

    $1,136.00

  • Last stock! ARCO Marine Zeus A275L N62 Alternator w/Terminal Block [A275L-12-N62-EX-49K6] ARCO Marine Zeus A275L N62 Alternator w/Terminal Block [A275L-12-N62-EX-49K6]

    ARCO Marine Zeus A275L N62 Alternator w/Terminal Block [A275L-12-N62-EX-49K6]

    2 in stock

    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 incumbent alternators due to:    - Heat shedding coatings   - Rectifier located on housing exterior   - Dual cooling fans   - OEM Components It is optimized for performance at idle speeds. Reduces the need for a generator by creating additional power with your engine. Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods. Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging. SAE J1171 Certified. Made in the U.S.A. Technical Specifications: Voltage - 12v Field Type - P Rotor Poles - 16 Stator Size - 138mm Frame Size - Large Weight - 14.9 lbs/6.7 kg Regulation - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.)  Output Voltage - 14.1v (Default) Finish - (Black) Cerakote or E-coating Cut-In RPM - 1,061 Alternator RPM Maximum Alt RPM - 19,000 Battery Post - M8 Thread Post, Side Mount Standard Pulley - 49K6 (6-groove, 49mm) Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5 Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included) Diodes - 6 positive, 6 negative, 50A Rated, Avalanche Max Output (Cold, 9,000 RPM) - 311 Amps Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps Max Continuous Operating Temperature - 110°C / 230°F Mounting Application:Replaces most Mercedes and BMW alternators, Mercedes Sprinter 1999-2006 alternators, Mercedes Sprinter Factory dual alternator 2007-Up ReplacementThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Quick Guide (pdf)Brochure (pdf)

    2 in stock

    $1,022.00

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