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Powermaster High-Amp Alternators

4.51 out of 5 stars 118 Customer Reviews

With modern automotive accessories, such as audio/video equipment, navigation systems, aftermarket lights, and other electrical components, the need for higher amperage alternators has increased. Powermaster has responded to this need with these high-amp alternators. They're available in several finishes to suit your style and performance needs. Powermaster high-amp alternators feature: * High output with excellent idle performance * Hand-wound, custom-designed stators * Heavy-duty regulators and rectifiers * Gold plated battery post for better electrical connections * Proof of performance tags

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Powermaster High-Amp Alternators 48237

Made in the USA Powermaster High-Amp Alternators 48237

Powermaster High-Amp Alternators 48237

Alternator, IGM AD244, Internal Regulator, 220 Amp, Natural, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: PWM-48237

4.93 out of 5 stars ( 30 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 48969

Made in the USA Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 48969

Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 48969

Alternator, High-Amp, 220 Amps, Natural, Chevy, Each

Part Number: PWM-48969

4.69 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators 58237

Made in the USA Powermaster High-Amp Alternators 58237

Powermaster High-Amp Alternators 58237

Alternator, High-Amp, GM AD244 Case, 220 amps, 12 V, Serpentine Pulley, Offset Mount, Black Powdercoat, Internal Regulator, Chevrolet, GMC, Each

Part Number: PWM-58237

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 58969

Made in the USA Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 58969

Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 58969

Alternator, High-Amp, Delco AD244 Case, 220 amps, 12 V, Serpentine Pulley, Black Powdercoated, Internal Regulator, Chevy, Each

Part Number: PWM-58969

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators 68237

Made in the USA Powermaster High-Amp Alternators 68237

Powermaster High-Amp Alternators 68237

Alternator, High-Amp, GM AD244 Case, 220 amps, 12 V, Serpentine Pulley, Offset Mount, Polished, Internal Regulator, Chevrolet, GMC, Each

Part Number: PWM-68237

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators for 2010-2015 CAMARO - 41487

Made in the USA Powermaster High-Amp Alternators for 2010-2015 CAMARO - 41487

Powermaster High-Amp Alternators for 2010-2015 CAMARO - 41487

Alternator, High-Amp, 220 amp, 12 V, Serpentine, Natural Finish, Denso Case, Internal Regulator, Chevy, Small Block, Each

Part Number: PWM-41487

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators 47764

Made in the USA Powermaster High-Amp Alternators 47764

Powermaster High-Amp Alternators 47764

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

Part Number: PWM-47764

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators for 1997-2013 CORVETTE - 38969

Made in the USA Powermaster High-Amp Alternators for 1997-2013 CORVETTE - 38969

Powermaster High-Amp Alternators for 1997-2013 CORVETTE - 38969

Alternator, High-Amp, 220 amp, 12 V, Serpentine, Chrome Finish, Valeo Case, Internal Regulator, Chevy, Small Block, Each

Part Number: PWM-38969

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 489693

Made in the USA Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 489693

Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 489693

Alternator, High-Amp, 220 Amps, Under Drive Serpentine Pulley, Natural, Chevy, Each

Part Number: PWM-489693

Not Yet Reviewed

Estimated Ship Date: Today

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Powermaster High-Amp Alternators 44007

Made in the USA Powermaster High-Amp Alternators 44007

Powermaster High-Amp Alternators 44007

Alternator, High-Amp, 245 amp, 12 V, Serpentine, Natural Finish, Denso Case, Internal Regulator, Cadillac, Chevy, GMC, Each

Part Number: PWM-44007

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators 38237

Made in the USA Powermaster High-Amp Alternators 38237

Powermaster High-Amp Alternators 38237

Alternator, High-Amp, GM AD244 Case, 220 amps, 12 V, Serpentine Pulley, Offset Mount, Chrome, Internal Regulator, Chevrolet, GMC, Each

Part Number: PWM-38237

Not Yet Reviewed

Estimated Ship Date: Today

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Powermaster High-Amp Alternators 7288

Made in the USA Powermaster High-Amp Alternators 7288

Powermaster High-Amp Alternators 7288

Alternator, 120 Amp, GM 17Si Case, V-Belt Pulley, Internal Regulator, Buick, Chevy, GMC, Oldsmobile, Pontiac

Part Number: PWM-7288

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Powermaster High-Amp Alternators 28237

Made in the USA Powermaster High-Amp Alternators 28237

Powermaster High-Amp Alternators 28237

Alternator, 180 Amp, Internal Regulator, 4-Pin, Polished, GM, Each

Part Number: PWM-28237

Not Yet Reviewed

Estimated Ship Date: Today

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Powermaster High-Amp Alternators 57764

Made in the USA Powermaster High-Amp Alternators 57764

Powermaster High-Amp Alternators 57764

Alternator; Ford 3G; 200 Amp; 3G, Black; Large Case; Ford Late Model

Part Number: PWM-57764

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 589693

Made in the USA Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 589693

Powermaster High-Amp Alternators for 1997-2014 CORVETTE - 589693

Alternator, High-Amp, Delco AD244 Case, 220 amps, 12 V, Under Drive Serpentine Pulley, Black Powdercoated, Internal Regulator, Chevy, Each

Part Number: PWM-589693

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

Powermaster High-Amp Alternators 482373

Made in the USA Powermaster High-Amp Alternators 482373

Powermaster High-Amp Alternators 482373

Alternator, IGM AD244, Internal Regulator, 220 Amp, Under Drive Pulley, Natural, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: PWM-482373

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

Powermaster High-Amp Alternators 77611

Made in the USA Powermaster High-Amp Alternators 77611

Powermaster High-Amp Alternators 77611

Alternator, High-Amp, 140 Amp, One Wire, Natural, Ford, Each

Part Number: PWM-77611

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Powermaster High-Amp Alternators 485503

Made in the USA Powermaster High-Amp Alternators 485503

Powermaster High-Amp Alternators 485503

Alternator, High-Amp, 245 amp, 12 V, 1-Wire, Under Drive Serpentine Pulley, Natural Finish, Denso Case, Internal Regulator, Cadillac, Chevy, GMC, Each

Part Number: PWM-485503

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

Powermaster High-Amp Alternators 68550-1

Made in the USA Powermaster High-Amp Alternators 68550-1

Powermaster High-Amp Alternators 68550-1

Alternator, 245 Amp, Serpentine Pulley, Polished, Chevy, GMC, Cadillac, Each

Part Number: PWM-68550-1

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

Powermaster High-Amp Alternators for 2014-2019 CORVETTE - 61794

Made in the USA Powermaster High-Amp Alternators for 2014-2019 CORVETTE - 61794

Powermaster High-Amp Alternators for 2014-2019 CORVETTE - 61794

Alternator, 245 Amp, With Decoupler Pulley, Serpentine, 2-Pin, OE RVC, Chevy, Each

Part Number: PWM-61794

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

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