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Powermaster

Powermaster Street Alternators

4.63 out of 5 stars 1821 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 27 Items.

Results 1 - 22 of 22

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

4.76 out of 5 stars ( 87 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Street Alternators 37294

Made in the USA Powermaster Street Alternators 37294

Powermaster Street Alternators 37294

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

Part Number: PWM-37294

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

4.64 out of 5 stars ( 25 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Street Alternators 37293-313

Made in the USA Powermaster Street Alternators 37293-313

Powermaster Street Alternators 37293-313

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

Part Number: PWM-37293-313

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Street Alternators 37293-344

Made in the USA Powermaster Street Alternators 37293-344

Powermaster Street Alternators 37293-344

Alternator, Street Alternator, GM 10SI/10DN/12SI Case Style, 12V, 150 amps, Chrome, V-Belt Pulley, Each

Part Number: PWM-37293-344

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Street Alternators 8-27926

Made in the USA Powermaster Street Alternators 8-27926

Powermaster Street Alternators 8-27926

Alternator Kits, Polished, 100 Amp, 12v, GM CS121, SBC, V-Belt, Bracket, Driver Side Low Mount, Kit

Part Number: PWM-8-27926

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Street Alternators 67293-367

Made in the USA Powermaster Street Alternators 67293-367

Powermaster Street Alternators 67293-367

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

Part Number: PWM-67293-367

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Street Alternators 67294

Made in the USA Powermaster Street Alternators 67294

Powermaster Street Alternators 67294

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

Part Number: PWM-67294

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Street Alternators 67293-313

Made in the USA Powermaster Street Alternators 67293-313

Powermaster Street Alternators 67293-313

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

Part Number: PWM-67293-313

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Street Alternators 279261

Made in the USA Powermaster Street Alternators 279261

Powermaster Street Alternators 279261

Alternator, 100 Amp, Internal Regulator, Polished, V-Belt, Buick, Chevy, GMC, Pontiac, Oldsmobile, Each

Part Number: PWM-279261

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Powermaster Street Alternators 67293-364

Made in the USA Powermaster Street Alternators 67293-364

Powermaster Street Alternators 67293-364

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

Part Number: PWM-67293-364

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Powermaster Street Alternators 179261

Made in the USA Powermaster Street Alternators 179261

Powermaster Street Alternators 179261

Alternator, Internal Regulator, 100 Amp, Chrome, Buick, Chevy, GMC, Oldsmobile, Pontiac, V8, Each

Part Number: PWM-179261

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

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