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Powermaster Street Alternators

4.63 out of 5 stars 1816 Customer Reviews

Powermaster street alternators feature all of the quality construction and dependability the company is famous for. The "electrical generators" are available in a variety of amperages and styles, allowing you to choose the best model for your specific ride and the accessories you run. So whether you need an alternator for your truck, hot rod, musclecar, sport compact, or audio competition vehicle, Powermaster gives you the power you need to get it started and keep it going.

Results 1 - 25 of 113

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

Part Number: PWM-37293

4.68 out of 5 stars ( 158 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: PWM-7294

4.83 out of 5 stars ( 143 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: PWM-17294

4.8 out of 5 stars ( 146 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: PWM-8-47101

4.74 out of 5 stars ( 42 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: PWM-8-57141

4.58 out of 5 stars ( 36 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Internal Regulator, 150 Amp, 12 V, with V-Belt Pulley, Clockwise Rotation, One Wire Capable, 5/16 in.-18 Post, Natural Finish, Ford, Each

Part Number: PWM-8-47141

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Internal Regulator, 150 Amp, V-Belt Pulley, Chrome Plated, Ford, Lincoln, Mercury, Each

Part Number: PWM-8-37141

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: PWM-37293-114

4.8 out of 5 stars ( 20 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Street, 170 Amp, One-wire Design, Natural, Serpentine Belt, Chrysler, Dodge, Jeep, Plymouth, Each

Part Number: PWM-433111

4.09 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: PWM-47294

4.65 out of 5 stars ( 62 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Street, 12 V, 200 amps, Black Powdercoated, Ford, Jeep, Lincoln, Mercury, Each

Part Number: PWM-577591

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Internal Regulator, 140 Amp, Black, Left Offset, Buick, Chevy, GMC, Olds, Pontiac, Each

Part Number: PWM-57861

4.66 out of 5 stars ( 32 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Street, 200 Amp, Natural, Serpentine Belt, Ford, Jeep, Lincoln, Mercury, Each

Part Number: PWM-477591

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Internal Regulator, 100 Amp, 1-Wire, Polished, AMC, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-27294

4.67 out of 5 stars ( 45 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, CS130, 140 Amp, 12V, Internal Regulator, Side Battery Post, Serpentine, Center Offset, Chrome, GM, Each

Part Number: PWM-37402

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Internal Regulator, 140 Amp, Chrome Plated, Left Offset, Chevy, GMC, Pontiac, Each

Part Number: PWM-37861

4.38 out of 5 stars ( 21 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: PWM-8-67141

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, 155 Amp, Black Powdercoated, AC Cobra, Ford, Each

Part Number: PWM-577491

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: PWM-17294-114

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Street, Internal Regulator, 140 Amp, 12 V, Natural, Serpentine, Chevy, GMC, Oldsmobile, Pontiac

Part Number: PWM-47461

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator; 200 Amp; Black; Large Case; One Wire

Part Number: PWM-577711

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, External Regulator, 75 Amp, Chrome Plated, Ford, Mercury/Jeep, Each

Part Number: PWM-17078

4.9 out of 5 stars ( 29 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Polished, 140 Amp, 12v, GM CS130, Serpentine Belt Pulley, Driver Side Mount, Each

Part Number: PWM-67461

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Street Alternator, Ford 3G Style, 12V, 140 amps, Natural, Serpentine Pulley, Each

Part Number: PWM-477581

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Alternator, Street, 12 V, 105 amps, Serpentine Pulley, Left Offset, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PWM-7861

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air