GMC SIERRA 2500 HD Charging Systems

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

Part Number: PWM-48550-4

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Estimated Ship Date: Feb 16, 2026 if ordered today

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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

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Estimated Ship Date: Feb 16, 2026 if ordered today

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

Part Number: PWM-68550-1

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Alternator, HPR Large Frame, 245 Amp, Polished, Internal Regulator, Serpentine Pulley, Chevy, Cadillac, GMC, Each

Part Number: PWM-64007

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 17, 2026 if ordered today

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