Powermaster Street Alternators

4.63 out of 5 stars 1813 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.

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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

4.68 out of 5 stars ( 158 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 7294

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 17294

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 8-57141

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 8-37141

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 47294

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 8002

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

Part Number: PWM-8002

4.85 out of 5 stars ( 60 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 577591

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 37293-114

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 477591

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 27294

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 57759

Alternator, Internal Regulator, 200 Amp, Black, Serpentine, V-Belt, Ford, Jeep, Lincoln, Mercury, Each

Part Number: PWM-57759

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 17078

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 17127

Alternator, Internal Regulator, 85 Amp, Chrome Plated, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-17127

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 17294-114

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 677591

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

Part Number: PWM-677591

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 47806

Alternator, Internal Regulator, 200 Amp, Natural, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PWM-47806

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 47759

Alternator, Internal Regulator, 200 Amp, 3G, Natural, Ford, Lincoln, Mercury, Each

Part Number: PWM-47759

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Feb 12, 2026 if ordered today

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Estimated Ship Date: Feb 12, 2026 if ordered today

Powermaster Street Alternators 7294-104

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

Part Number: PWM-7294-104

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 17294-313

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

Part Number: PWM-17294-313

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 57806

Alternator, Black, 200 Amp, 12v, GM CS144, Serpentine Belt Pulley, Small Case, Adjustable Flange, Each

Part Number: PWM-57806

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 27294-367

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

Part Number: PWM-27294-367

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 17294-367

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

Part Number: PWM-17294-367

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 27294-114

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

Part Number: PWM-27294-114

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 37806

Alternator, Internal Regulator, 200 Amp, Chrome, Buick, Chevy, Jeep, Oldsmobile, Pontiac, Each

Part Number: PWM-37806

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

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