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.

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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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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 8-37140

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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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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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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Powermaster Race Alternators 8-47146

Alternator, Internal Regulator, 16 V, 150 Amps, Natural, Ford, Jeep, Mercury, Each

Part Number: PWM-8-47146

Not Yet Reviewed

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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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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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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: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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 8-47106

Alternator; Ford Upgrade; 100 Amp; Natural; w/Serpentine Pulley 16V

Part Number: PWM-8-47106

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

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