Availability
Powermaster High-Amp Alternators
122 Customer Reviews
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 16 Items.
Alternator, IGM AD244, Internal Regulator, 220 Amp, Natural, Cadillac, Chevy, GMC, Pontiac, Each
Part Number: PWM-48237
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Alternator, High-Amp, GM AD244 Case, 220 amps, 12 V, Serpentine Pulley, Offset Mount, Polished, Internal Regulator, Chevrolet, GMC, Each
Part Number: PWM-68237
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Alternator, High-Amp, 245 amp, 12 V, Serpentine, Natural Finish, Denso Case, Internal Regulator, Cadillac, Chevy, GMC, Each
Part Number: PWM-44007
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Alternator, 180 Amp, Internal Regulator, 4-Pin, Polished, GM, Each
Part Number: PWM-28237
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Alternator, 245 Amp, Serpentine Pulley, Polished, Chevy, GMC, Cadillac, Each
Part Number: PWM-68550-1
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
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