GMC SIERRA 2500 HD CLASSIC Powermaster Alternators and Generators

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: Monday 4/20/2026 if shipped by air

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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: Monday 4/20/2026 if shipped by air

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Alternators and Generators, XS Volt, GM AD230 Case Style, 165 amps, Serpentine Pulley, 6-groove, Cadillac, Chevy, GMC, Small Block LS, Each

Part Number: PWM-482478

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: PWM-68237

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Alternator, AD244 Style, 2 Pin Regulator, 220 Amps, Offset 2 Inch Pulley, Black Powdercoated Finish, Serpentine, Cadillac, Chevy, GMC, Each

Part Number: PWM-58302

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Alternator, High-Amp, 1-Wire, 250 amp, Serpentine, Natural Finish, Denso Case, Internal Regulator, Cadillac, Chevy, GMC, Each

Part Number: PWM-48550-1

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Alternator, High-Amp, 250 amp, 12 V, Serpentine, Natural Finish, Denso Case, Internal Regulator, Cadillac, Chevy, GMC, Each

Part Number: PWM-48550

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Alternator, HPR, 250 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 4/20/2026 if shipped by air

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Alternator, AD244 Style, 2 Pin Regulator, 220 Amps, Offset 2 Inch Pulley, Natural Finish, Serpentine, Cadillac, Chevy, GMC, Each

Part Number: PWM-48302

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Alternator, AD244 Style, 2 Pin Regulator, 220 Amps, Offset 2 Inch Pulley, Chrome Finish, Serpentine, Cadillac, Chevy, GMC, Each

Part Number: PWM-38302

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: PWM-28237

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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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 4/20/2026 if shipped by air

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1-Wire "Hair Pin Replacement" for Two 2" Mtg Spools-Upgrade for CS130D/AD230-175A+ Top/145A+ Idle

Part Number: PWM-834009-1

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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1-Wire "Hair Pin Replacement" for Two 2" Mtg Spools-Upgrade for CS130D/AD230-175A+ Top/145A+ Idle

Part Number: PWM-864009-1

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Alternator, Internal Regulator, 180 Amp, Polished, Serpentine Pulley, Cadillac, Chevy, GMC, Each

Part Number: PWM-28302

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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

Part Number: PWM-68550-1

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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