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  • Make/Model
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Powermaster

Powermaster High-Amp Alternators

4.48 out of 5 stars 122 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

Showing In Stock Items. Show All 21 Items.

Results 1 - 15 of 15

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: Tomorrow

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Estimated Ship Date: Tomorrow

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

Made in the USA Powermaster High-Amp Alternators for 2020-2023 GLADIATOR, 2012-2023 WRANGLER, 2018 WRANGLER JK - 51024WS

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

Alternator, High-Amp, 12 V, 250 amps, Black Textured Powdercoated, Serpentine Pulley, External Ground Post, Jeep, Each

Part Number: PWM-51024WS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Powermaster High-Amp Alternators 41576

Made in the USA Powermaster High-Amp Alternators 41576

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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Estimated Ship Date: Tomorrow

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: Tomorrow

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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: Tomorrow

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Powermaster High-Amp Alternators 58550-4

Powermaster High-Amp Alternators 58550-4

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: Tomorrow

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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

3.44 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Powermaster High-Amp Alternators for 2011-2017 MUSTANG - 41625

Made in the USA Powermaster High-Amp Alternators for 2011-2017 MUSTANG - 41625

Powermaster High-Amp Alternators for 2011-2017 MUSTANG - 41625

Alternator, High-Amp, 245 amp, 12 V, Serpentine, Natural, Finish, Denso Case, Internal Regulator, Ford, Modular V8, Each

Part Number: PWM-41625

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Powermaster High-Amp Alternators for 2020-2023 GLADIATOR, 2012-2023 WRANGLER, 2018 WRANGLER JK - 851584WS

Made in the USA Powermaster High-Amp Alternators for 2020-2023 GLADIATOR, 2012-2023 WRANGLER, 2018 WRANGLER JK - 851584WS

Powermaster High-Amp Alternators for 2020-2023 GLADIATOR, 2012-2023 WRANGLER, 2018 WRANGLER JK - 851584WS

Alternaotr, High-Amp Series, 180 Amps, Black, 12 V, Serpentine, Internal Regulator, Each

Part Number: PWM-851584WS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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Estimated Ship Date: Tomorrow

Powermaster High-Amp Alternators for 2011-2014 MUSTANG - 841626-17.5

Made in the USA Powermaster High-Amp Alternators for 2011-2014 MUSTANG - 841626-17.5

Powermaster High-Amp Alternators for 2011-2014 MUSTANG - 841626-17.5

Alternator, Internal Regulator, 1-Wire, 175 Amp, 16V, 6-Groove, Natural, Serpentine, Side Battery Post, Ford, Each

Part Number: PWM-841626-17-5

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

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

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: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Powermaster High-Amp Alternators for 2011-2014 MUSTANG - 851626-1CCW

Made in the USA Powermaster High-Amp Alternators for 2011-2014 MUSTANG - 851626-1CCW

Powermaster High-Amp Alternators for 2011-2014 MUSTANG - 851626-1CCW

Alternator, Internal Regulator, 1-Wire, 175 Amp, 12V, 6-Groove, CCW Rotation, Black, Serpentine, Side Battery Post, Ford, Each

Part Number: PWM-851626-1CCW

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 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: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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