CHEVROLET Chevy big block W-engines Powermaster Alternators and Generators

Alternator, Internal Regulator, 100 Amp, Natural, AMC, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-7294

4.83 out of 5 stars ( 143 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, PowerGEN, Internal Regulator, 90 Amp, 12 V, Black Powdercoated, Each

Part Number: PWM-82051-2

4.85 out of 5 stars ( 20 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Smooth Look, Delco 12 SI Case, 150 amps, 12 V, V-Belt Pulley, Black Powdercoated, Internal Regulator, Each

Part Number: PWM-57297

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Internal Regulator, 150 Amp, Natural, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-47294

4.65 out of 5 stars ( 62 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Internal Regulator, 100 Amp, Natural, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-8002

4.85 out of 5 stars ( 60 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, PowerGEN, Internal Regulator, 90 Amp, 12 V, Black Powdercoated, Each

Part Number: PWM-82051

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, External Regulator, 100 Amp, Chrome Plated, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-17102

4.64 out of 5 stars ( 22 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, PowerGEN, Internal Regulator, 90 Amp, 12 V, Black Powdercoated, Each

Part Number: PWM-82111-2

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, HPR Series, Internal Regulator, 180 Amp, Chrome, Each

Part Number: PWM-837295-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Smooth Look, Delco 12 SI Case, 150 amps, 12 V, V-Belt Pulley, Chrome, Internal Regulator, Each

Part Number: PWM-37297

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Smooth Look, Black, 150 Amp, 12v, GM 12si, V-Belt Pulley, High Volume Fan, Each

Part Number: PWM-57295

4.88 out of 5 stars ( 16 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

1-Wire HPR Series, for 6.61" Straight Mount-Upgrade for 10DN/10si/12si/CS130-180A+ Top/145A+ Idle

Part Number: PWM-847296-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, PowerGEN, Internal Regulator, 90 Amp, 12 V, Black Powdercoated, Each

Part Number: PWM-82111

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Internal Regulator, 100 Amp, Natural, AMC, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-7294-104

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Race, 12V, 80 Amp, Black, Smooth Look, 1V Pulley, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PWM-8005

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, PowerGEN, Internal Regulator, 60 Amp, 6-Volt, Positive Ground, Black Powdercoated, GM, Long Style, Each

Part Number: PWM-82056

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Altenator, Small Frame HPR, GM CS130D Case Style, 180 Amps, Natural, 12 V, One-Wire Capable, V-Belt, Internal Regualtor, Each

Part Number: PWM-847295

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Smooth Look, Polished, 150 Amp, 12v, GM 12si, V-Belt Pulley, Each

Part Number: PWM-67297

4.68 out of 5 stars ( 34 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Internal Regulator, 150 Amp, Double V-Belt Pulley, Natural, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-47294-2

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Smooth Look, Polished, 100 Amp, 12v, GM 12si, V-Belt Pulley, Each

Part Number: PWM-27297

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Delco, 3-Bolt, Internal Regulator, 100 Amp, Black, Adjustable Voltage, Each

Part Number: PWM-8078

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, PowerGEN, 60 Amp, V-Belt, 6-Volt, Negative Ground, Black, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PWM-82057

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Smooth Look, Polished, 150 Amp, 12v, GM 12si, V-Belt Pulley, Baffle, Each

Part Number: PWM-67297-344

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Feb 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Alternator, Internal Regulator, 100 Amp, Natural, AMC, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: PWM-7294-347

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

• Free Shipping

Alternator, Smooth Look, Polished, 150 Amp, 12v, GM 12si, Serpentine Belt Pulley, HV Fan, Nose Cover, Each

Part Number: PWM-67296

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Feb 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order