1989 CHEVROLET G20 Charging Systems

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

Part Number: PWM-57294-104

4.5 out of 5 stars ( 6 )

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Alternator, Internal Regulator, 105 Amp, Polished Aluminum, Left Offset, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PWM-27861

5.0 out of 5 stars ( 1 )

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

Part Number: PWM-17294-313

4.33 out of 5 stars ( 3 )

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Alternator, GM CS130, Internal Regulator, 160 Amp, Chrome, Buick, Chevy, GMC, Each

Part Number: TSN-ES1005C

5.0 out of 5 stars ( 2 )

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Alternator, Internal Regulator, 140 Amp, Chrome Plated, Chevy, GMC, Pontiac, Each

Part Number: PWM-378611

5.0 out of 5 stars ( 4 )

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Alternator, CS130, 140 Amp, V Belt, Natural, Center Offset, Each

Part Number: PWM-474011

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Estimated Ship Date: May 12, 2026 if ordered today

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Alternators and Generators, All American Billet Alternators, GM CS130 Case, 160 Amps, Black, 12 Volt, Each

Part Number: AAY-7861MABLK

3.0 out of 5 stars ( 1 )

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

Part Number: PWM-27294-367

5.0 out of 5 stars ( 2 )

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Alternator, Street Alternator, GM 10SI/10DN/12SI Case Style, 12V, 150 amps, Chrome, V-Belt Pulley, Each

Part Number: PWM-37293-344

3.0 out of 5 stars ( 1 )

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Alternator, 225 MAX AMP, 6-Groove, 1-Wire, Natural, Serpentine Pulley, Left Offset, Each

Part Number: TFF-8320FC6G1W

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Alternator, GM CS130 Case Style, 12 V, 100 amps, Serpentine Pulley, Left Offset, Buick, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: ADO-334-2396A

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Core Charge $12.00

Alternator, Smooth Look, Chrome, 100 Amp, 12v, GM12si, V-Belt Pulley, Each

Part Number: PWM-17297

2.75 out of 5 stars ( 4 )

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Alternator, 225 MAX AMP, 6-Groove, 1-Wire, Black Powdercoated, Serpentine Pulley, Left Offset, Each

Part Number: TFF-8320B6G1W

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Estimated Ship Date: Jul 20, 2026 if ordered today

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Alternator, Internal Regulator, 105 Amp, Polished, Left Offset, Chevy, GMC, Oldsmobile, Pontiac, L4, V6, V8, Each

Part Number: PWM-274611

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: PWM-27294-114

5.0 out of 5 stars ( 3 )

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Alternator, XS Volt, Internal Regulator, 200 Amp, CS144 Case, Black Powdercoated, GM, Each

Part Number: PWM-582038

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Alternator, 225 MAX AMP, 1-Groove, OEM Wire, Natural, V-Belt Pulley, Each

Part Number: TFF-8319FC1GOE

5.0 out of 5 stars ( 1 )

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Alternator Kits, Polished, 100 Amp, 12v, GM CS121, SBC, V-Belt, Bracket, Driver Side Low Mount, Kit

Part Number: PWM-8-27926

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Battery Cable, Direct Fit, Assembled, Positive, Chevy, GMC, Each

Part Number: SMP-A95-2DA

5.0 out of 5 stars ( 2 )

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

Part Number: PWM-67294

5.0 out of 5 stars ( 4 )

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Alternator, 225 MAX AMP, 6-Groove, 1-Wire, Black Powdercoated, Serpentine Pulley, Each

Part Number: TFF-8319B6G1W

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

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Alternator, 225 MAX AMP, 6-Groove, OEM Wire, Chrome, Serpentine Pulley, Each

Part Number: TFF-8319C6GOE

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Estimated Ship Date: Jul 20, 2026 if ordered today

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

Part Number: PWM-37294-311

5.0 out of 5 stars ( 5 )

Estimated Ship Date: May 12, 2026 if ordered today

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Alternator, Internal Regulator, 200 Amp, CS144 Case, Chrome Plated, GM, Each

Part Number: PWM-38203

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Estimated Ship Date: May 12, 2026 if ordered today

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Alternator, Internal Regulator, 140 Amp, Polished, Chevy, GMC, Pontiac, V6, V8, Each

Part Number: PWM-67861

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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