Alternators and Generators

Avoid an electrical system meltdown with our selection of alternators and generators. Our high-amp alternators deliver the amperage you need to run your high-end audio...

Avoid an electrical system meltdown with our selection of alternators and generators. Our high-amp alternators deliver the amperage you need to run your high-end audio system, aftermarket lighting, race electronics, and other assorted accessories. We’ve got one-wire alternators to unclutter your engine compartment and simplify installation. We even have chrome, polished, and powdercoated alternators to help turn your engine into a showpiece. Shop the biggest names in alternators/generators—Powermaster, New Tech, Tuff Stuff, Davis Unified Ignition, Summit Racing, and more—and prevent your expensive electronics...

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Results 1 - 25 of 2000 +

Powermaster Street Alternators 37293

Powermaster Street Alternators 37293

Alternator, Internal Regulator, 150 Amp, Chrome Plated, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-37293

4.66 out of 5 stars ( 148 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Summit Racing™ 140 Amp Alternator for Chevy, Buick, GMC, Olds, Pontiac SUM-810344

Alternator, Internal Regulator, 140 Amp, Natural Finish, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SUM-810344

4.65 out of 5 stars ( 337 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster Street Alternators 47293

Alternator, Internal Regulator, 150 Amp, Natural, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-47293

4.73 out of 5 stars ( 79 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Summit Racing™ 100 Amp Alternator for Ford L4, L6, V6, V8 SUM-810308

Alternator, Internal Regulator, 100 Amp, One Wire, V-Belt Pulley, Natural, Ford, L4/L6/V6/V8, Each

Part Number: SUM-810308

4.6 out of 5 stars ( 128 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster Street Alternators 7294

Alternator, Internal Regulator, 100 Amp, Natural, AMC, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-7294

4.84 out of 5 stars ( 128 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster High-Amp Alternators 48237

Alternator, IGM AD244, Internal Regulator, 220 Amp, Natural, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: PWM-48237

4.93 out of 5 stars ( 29 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 7068

Alternator, Internal Regulator, 100 Amp, One Wire, V-Belt Pulley, Natural, Ford, L4/L6/V6/V8, Each

Part Number: TFF-7068

4.59 out of 5 stars ( 194 )

Estimated Ship Date: Apr 28, 2025 if ordered today

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Estimated Ship Date: Apr 28, 2025 if ordered today

Powermaster PowerGEN Alternators 82051-2

Alternator, PowerGEN, Internal Regulator, 90 Amp, 12 V, Black Powdercoated, Each

Part Number: PWM-82051-2

4.85 out of 5 stars ( 20 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster Street Alternators 17294

Alternator, Internal Regulator, 100 Amp, Chrome Plated, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-17294

4.79 out of 5 stars ( 138 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Summit Racing™ 140 Amp Alternator for Ford, Lincoln, Mercury SUM-810300

Alternator, Internal Regulator, 140 Amp, Natural Finish, Ford, Lincoln, Mercury, Each

Part Number: SUM-810300

4.23 out of 5 stars ( 88 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster PowerGEN Alternators 82101-2

Alternator, PowerGEN, Internal Regulator, 90 Amp, 12 V, Black Powdercoated, Each

Part Number: PWM-82101-2

4.79 out of 5 stars ( 34 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

MechMan S Series Billet Racing Alternators for 2005-2013 CORVETTE - B13969240B

Alternators and Generators, S Series Billet Racing Alternators, 12 V, 240 amps, Black Anodized, Serpentine Pulley, Chevrolet, 6.0L, 6.2L, 7.0L, Each

Part Number: MEH-B13969240B

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Summit Racing™ Chrome Alternators SUM-G1667A

Alternator, Internal Regulator, 100 Amp, 1-Wire, Chrome Plated, GM, Each

Part Number: SUM-G1667A

4.48 out of 5 stars ( 96 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Summit Racing™ OE Replacement Alternators SUM-810352

Alternator, Natural, Stock Replacement, 145/130 amps, Buick, Cadillac, Chevrolet, GMC, Isuzu, Saab, Each

Part Number: SUM-810352

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster Retro Alternators 75091

Alternator, Retro, Chrysler Square Back, 12 V, 90 amps, Internal Regulator, Chrysler, Dodge, Plymouth, Each

Part Number: PWM-75091

4.71 out of 5 stars ( 34 )

Estimated Ship Date: May 15, 2025 if ordered today

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Estimated Ship Date: May 15, 2025 if ordered today

Powermaster Street Alternators 57293

Alternator, Internal Regulator, 150 Amp, Black Powdercoated, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-57293

4.57 out of 5 stars ( 23 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster High-Amp Alternators 58237

Alternator, High-Amp, GM AD244 Case, 220 amps, 12 V, Serpentine Pulley, Offset Mount, Black Powdercoat, Internal Regulator, Chevrolet, GMC, Each

Part Number: PWM-58237

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster Street Alternators 8-57141

Alternator, Internal Regulator, 150 Amp, V-Belt, Black, Ford, Mercury, Jeep, Each

Part Number: PWM-8-57141

4.68 out of 5 stars ( 34 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 7127D12

Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Natural, V-Belt Pulley, Each

Part Number: TFF-7127D12

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster Street Alternators 67293

Alternator, Internal Regulator, 150 Amp, Polished, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-67293

4.67 out of 5 stars ( 46 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster Street Alternators 8-47141

Alternator, Internal Regulator, 150 Amp, Natural, Ford, Each

Part Number: PWM-8-47141

4.75 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster Street Alternators 8-47101

Alternator, Internal Regulator, 100 Amp, Natural, Ford, Jeep, Mercury, Each

Part Number: PWM-8-47101

4.7 out of 5 stars ( 37 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

MechMan Elite Series Alternators 8206250B

Alternators and Generators, Elite Series Alternators, 12 V, 250 amps, Black, Serpentine Pulley, Buick, Chevy, GMC, Hummer, Olds, Pontiac, Each

Part Number: MEH-8206250B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Powermaster Street Alternators 48206

Alternator, Internal Regulator, 165 Amp, Natural, Cadillac, Chevy, GMC, Each

Part Number: PWM-48206

4.62 out of 5 stars ( 29 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

Summit Racing™ OE Replacement Alternators for 1997-2013 CORVETTE - SUM-810355

Alternator, Stock Replacement, Valeo, Natural Finish, Chevrolet, Each

Part Number: SUM-810355

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/21/2025

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Estimated Ship Date: Monday 4/21/2025

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