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Powermaster

Powermaster Race Alternators

4.52 out of 5 stars 106 Customer Reviews

Powermaster race alternators supply horsepower for your ride by ensuring the electrical and ignition systems have enough voltage to operate properly. This means your battery stays fully charged and predictable—you don't have to worry about your car not starting at race time. They feature a variety of high-amperage ratings, one-wire hookup, a gold battery post, and a heat-dispersant coating. Some models also include a pulley. Order the alternator designed for your vehicle application.

Showing In Stock Items. Show All 10 Items.

Results 1 - 10 of 10

Powermaster Race Alternators 8-47140

Made in the USA Powermaster Race Alternators 8-47140

Powermaster Race Alternators 8-47140

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

Part Number: PWM-8-47140

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Powermaster Race Alternators 8-57140

Made in the USA Powermaster Race Alternators 8-57140

Powermaster Race Alternators 8-57140

Alternator, Internal Regulator, 150 Amp, Serpentine, Black, Ford, Mercury, Jeep, Each

Part Number: PWM-8-57140

4.41 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Powermaster Race Alternators 48478

Made in the USA Powermaster Race Alternators 48478

Powermaster Race Alternators 48478

Alternator, Internal Regulator, 200 Amp, Natural, Ford, Fits Dual Alternator Systems, Each

Part Number: PWM-48478

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Powermaster Race Alternators 8-47100

Made in the USA Powermaster Race Alternators 8-47100

Powermaster Race Alternators 8-47100

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

Part Number: PWM-8-47100

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Powermaster Race Alternators 8-57100

Made in the USA Powermaster Race Alternators 8-57100

Powermaster Race Alternators 8-57100

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

Part Number: PWM-8-57100

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Powermaster Race Alternators 8-37140

Made in the USA Powermaster Race Alternators 8-37140

Powermaster Race Alternators 8-37140

Alternator, Internal Regulator, 150 Amp, Chrome Plated, Ford, Mercury, Jeep, Each

Part Number: PWM-8-37140

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Powermaster Race Alternators 8-37100

Made in the USA Powermaster Race Alternators 8-37100

Powermaster Race Alternators 8-37100

Alternator, Internal Regulator, 100 Amp, Chrome Plated, Ford, Mercury, Jeep, Each

Part Number: PWM-8-37100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Powermaster Race Alternators 8-67140

Made in the USA Powermaster Race Alternators 8-67140

Powermaster Race Alternators 8-67140

Alternator, Internal Regulator, 150 Amp, Polished, Ford, Mercury/Jeep, Each

Part Number: PWM-8-67140

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Powermaster Race Alternators 8-67100

Made in the USA Powermaster Race Alternators 8-67100

Powermaster Race Alternators 8-67100

Alternator, Internal Regulator, 100 Amp, Polished, Ford, Mercury/Jeep, Each

Part Number: PWM-8-67100

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 70686G

Tuff Stuff Performance High-Amp Output Factory Cast-Plus Alternators 70686G

4.75 out of 5 stars ( 47 )

Estimated Ship Date: Today

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Powermaster Race Alternators 58478

Made in the USA Powermaster Race Alternators 58478

Powermaster Race Alternators 58478

Alternator, Internal Regulator, 200 Amp, Black Powdercoated, Ford, Each

Part Number: PWM-58478

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

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