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  • Filters

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Powermaster

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.

Showing In Stock Items. Show All 71 Items.

Results 1 - 25 of 48

Powermaster Street Alternators 37293

Made in the USA 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

Made in the USA Powermaster Street Alternators 7294

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 47293

Made in the USA Powermaster Street Alternators 47293

Powermaster Street Alternators 47293

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

Part Number: PWM-47293

4.75 out of 5 stars ( 85 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 17294

Made in the USA Powermaster Street Alternators 17294

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 67293

Made in the USA Powermaster Street Alternators 67293

Powermaster Street Alternators 67293

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

Part Number: PWM-67293

4.69 out of 5 stars ( 48 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 57293

Made in the USA Powermaster Street Alternators 57293

Powermaster Street Alternators 57293

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

Part Number: PWM-57293

4.46 out of 5 stars ( 24 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 47294

Made in the USA Powermaster Street Alternators 47294

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 37293-114

Made in the USA Powermaster Street Alternators 37293-114

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 37402

Made in the USA Powermaster Street Alternators 37402

Powermaster Street Alternators 37402

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 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 57294

Made in the USA Powermaster Street Alternators 57294

Powermaster Street Alternators 57294

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

Part Number: PWM-57294

4.63 out of 5 stars ( 24 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 27294

Made in the USA Powermaster Street Alternators 27294

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 47293-104

Made in the USA Powermaster Street Alternators 47293-104

Powermaster Street Alternators 47293-104

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

Part Number: PWM-47293-104

4.87 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

Made in the USA Powermaster Street Alternators 17294-114

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 57293-104

Made in the USA Powermaster Street Alternators 57293-104

Powermaster Street Alternators 57293-104

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

Part Number: PWM-57293-104

2.67 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 47806

Made in the USA Powermaster Street Alternators 47806

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 7294-104

Made in the USA Powermaster Street Alternators 7294-104

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 37802

Made in the USA Powermaster Street Alternators 37802

Powermaster Street Alternators 37802

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

Part Number: PWM-37802

5.0 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 47294-104

Made in the USA Powermaster Street Alternators 47294-104

Powermaster Street Alternators 47294-104

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

Part Number: PWM-47294-104

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 57802

Made in the USA Powermaster Street Alternators 57802

Powermaster Street Alternators 57802

Alternator, 140 Amp, Internal Regulator, Black Powdercoated, Serpentine, Center Offset, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PWM-57802

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 67293-114

Made in the USA Powermaster Street Alternators 67293-114

Powermaster Street Alternators 67293-114

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

Part Number: PWM-67293-114

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 674021

Made in the USA Powermaster Street Alternators 674021

Powermaster Street Alternators 674021

Alternator, CS130, 140 Amp, 12V, Internal Regulator, Side Battery Post, V-Belt, Polished, Center Offset, GM, Each

Part Number: PWM-674021

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 37293-367

Made in the USA Powermaster Street Alternators 37293-367

Powermaster Street Alternators 37293-367

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

Part Number: PWM-37293-367

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 17294-313

Made in the USA Powermaster Street Alternators 17294-313

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 57294-104

Made in the USA Powermaster Street Alternators 57294-104

Powermaster Street Alternators 57294-104

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

Part Number: PWM-57294-104

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026

Powermaster Street Alternators 57402

Made in the USA Powermaster Street Alternators 57402

Powermaster Street Alternators 57402

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

Part Number: PWM-57402

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

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Estimated Ship Date: Monday 1/26/2026