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 17 Items.

Results 1 - 9 of 9

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: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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: Monday 1/12/2026

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Estimated Ship Date: Monday 1/12/2026

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