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

Results 1 - 25 of 64

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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Powermaster High-Amp Alternators 41576

Alternator, High-Amp, 245 amp, 12 V, Serpentine, Natural Finish, Denso Case, Internal Regulator, Mopar, Hemi, Each

Part Number: PWM-41576

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Aug 13, 2025 if ordered today

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Estimated Ship Date: Aug 13, 2025 if ordered today

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: Tomorrow

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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: Tomorrow

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Powermaster High-Amp Alternators 58550-4

Alternator, High-Amp, 245 amp, 12 V, 1-Wire, Serpentine, Black Finish, Denso Case, Internal Regulator with Dash Light, Cadillac, Chevy, GMC, Each

Part Number: PWM-58550-4

Not Yet Reviewed

Estimated Ship Date: Aug 6, 2025 if ordered today

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Estimated Ship Date: Aug 6, 2025 if ordered today

Powermaster High-Amp Alternators for 2014-2019 CORVETTE - 51794-1

Alternator, Street Alternator, Denso Case Style, 12V, 245 amps, Decoupler Pulley, Satin Black, Serpentine, Each

Part Number: PWM-51794-1

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Powermaster High-Amp Alternators for 2015-2020 MUSTANG - 851626-2R

Alternator, Internal Regulator, 175 Amp, 12V, 6-Groove, Black, Serpentine, Ford, Each

Part Number: PWM-851626-2R

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Powermaster High-Amp Alternators for 1999-2004 MUSTANG - 18252

Alternator, Internal Regulator, Serpentine Belt Pulley, 120 Amp, Chrome, Ford, 4.6L, Each

Part Number: PWM-18252

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 11, 2025 if ordered today

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Estimated Ship Date: Aug 11, 2025 if ordered today

Powermaster High-Amp Alternators for 2015-2023 MUSTANG - 851626-2R-CCW

Alternator, Internal Regulator, 175 Amp, 12V, 6-Groove, CCW Rotation, Black, Serpentine, Ford, Each

Part Number: PWM-8516262RCCW

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

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: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Powermaster High-Amp Alternators for 2001-2002 COUGAR, 2001-2004 ESCAPE - 58254

Alternator, Internal Regulator, 155 Amp, Black, Serpentine, Mercury, Each

Part Number: PWM-58254

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2025 if ordered today

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Estimated Ship Date: Aug 11, 2025 if ordered today

Powermaster High-Amp Alternators for 2020-2023 GLADIATOR, 2012-2023 WRANGLER, 2018 WRANGLER JK - 51024W

Alternator, 250 Amps, Black, Powdercoated, 12 V, Pulley included, Serpentine, Internal Regulator, Jeep, Each

Part Number: PWM-51024W

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Powermaster High-Amp Alternators for 1999-2003 F-350 SUPER DUTY, F-250 SUPER DUTY, 2000-2003 EXCURSION - 57796

Alternator, Internal Regulator, 150 Amp, Black Powdercoated, Ford, 7.3L Powerstroke, Each

Part Number: PWM-57796

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Powermaster High-Amp Alternators 582373

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

Part Number: PWM-582373

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today