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Tuff Stuff Performance High-Amp Output Alternators

4.49 out of 5 stars 287 Customer Reviews

A Tuff Stuff Performance high-amp output alternator is just what every ride needs. These units produce the most power at idle to keep your battery fully charged at all times. Tuff Stuff products are hand-built with the best bearings, diodes, and copper windings available. The alternators are available in a variety of amperages, case and pulley styles, finishes, and with internal or external regulator. Order the model designed for your specific vehicle application.

Results 1 - 25 of 95

Alternator, One-Wire, 100 Amps, 1-Groove V-Belt, Chrome Finish, Chrysler, Dodge, Plymouth, Each

Part Number: TFF-8509RDSP

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Alternator, One-Wire, GM 10si Case Style, 12 V, 140 amps, Chrome, Serpentine Pulley, Buick, Chevy, Pontiac

Part Number: TFF-7127NK6G

5.0 out of 5 stars ( 6 )

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Alternators and Generators, High-Amp Output Alternators, Chrysler Square Back Case Style, 12 V, 130 amps, Polished, V-belt Pulley, Chrysler, Dodge

Part Number: TFF-9509RDPDP

5.0 out of 5 stars ( 4 )

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Alternators and Generators, High-Amp Output Alternators, Chrysler Square Back Case Style, 12 V, 130 amps, Chrome, V-belt Pulley, Chrysler, Dodge, Each

Part Number: TFF-9509RDSP

5.0 out of 5 stars ( 6 )

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Alternator, 140 Amp, Replacement, V-Belt, Chrome, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7127NK

4.68 out of 5 stars ( 19 )

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Alternator, Chrome, 100 amps, 1-wire, V-Belt, GM, Each

Part Number: TFF-7127ND

4.38 out of 5 stars ( 13 )

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Alternator, Polished, 100 Amps, V-Belt, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7127NDP

4.53 out of 5 stars ( 17 )

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Alternators and Generators, High-Amp Output Alternators, Chrysler Square Back Case Style, 12 V, 130 amps, Chrome, V-belt Pulley, Chrysler, Dodge, Each

Part Number: TFF-9509RDDP

Not Yet Reviewed

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Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Polished, V-Belt, Each

Part Number: TFF-7127NKP9

5.0 out of 5 stars ( 1 )

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Alternator, Internal Regulator, 100 Amp, One Wire, V-Belt, Polished, Ford, L4/L6/V6/V8, Each

Part Number: TFF-7068RDP

4.67 out of 5 stars ( 12 )

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Alternator, Black Wrinkle Finish, 140 Amp, V-groove Pulley, Ford, Lincoln, Mercury, Each

Part Number: TFF-7068NKBW

5.0 out of 5 stars ( 3 )

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Alternator, Polished, 100 Amps, V-Belt, Ford, Lincoln, Mercury, Hybrid Case, Each

Part Number: TFF-7078NDP

4.75 out of 5 stars ( 4 )

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Alternator, 60 Amp, One-Wire, V-Belt, Chrome, Chrysler, Dodge, Plymouth, Each

Part Number: TFF-8509RBSP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Alternator, Chrome, 70 Amps, V-Belt, Ford, Lincoln, Mercury, Each

Part Number: TFF-7078NA

4.44 out of 5 stars ( 9 )

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Alternators, High-Amp Output, Ford 1G, 12 V, 100 amps, Black Powdercoated, V-belt Pulley, AMC, Ford, Jeep, Lincoln, Mercury, Each

Part Number: TFF-7078NGBW

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Alternator, Chrome, 100 Amp, 1-Wire, V-Belt, Ford, Mercury, Each

Part Number: TFF-7068RD

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Alternators and Generators, High-Amp Output Alternators, Chrysler Square Back Case Style, 12 V, 130 amps, Polished, V-belt Pulley, Chrysler, Dodge

Part Number: TFF-9509RDPSP

Not Yet Reviewed

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Alternator, 140 Amp, Ford 1G, V-Belt, Black Wrinkle Powdercoated, Hybrid Case, Each

Part Number: TFF-7078NKBW

4.8 out of 5 stars ( 5 )

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Alternator, Internal Regulator, 12V, 250 Amp, CS144, V-Belt, Chrome Plated, GM, Each

Part Number: TFF-7290NE

4.8 out of 5 stars ( 5 )

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Alternator, Chrome, 100 Amps, V-Belt, Ford, Mercury, Hybrid Case, Each

Part Number: TFF-7078ND

5.0 out of 5 stars ( 1 )

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Alternators and Generators, High-Amp Output Alternators, GM 10si Case Style, 12 V, 140 amps, Polished, Serpentine Pulley, Buick, Chevy, GMC, Jeep

Part Number: TFF-7127NKP6G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Alternators, High-Amp Output, Ford 1G, 12 V, 70 amps, Blue Powdercoated, V-belt Pulley, AMC, Ford, Jeep, Lincoln, Mercury, Each

Part Number: TFF-7078NHBLUE

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Alternator, One-Wire, GM 10si, 12 V, 100 amps, Polished, Serpentine Pulley, Buick, Chevy, Oldsmobile, Pontiac

Part Number: TFF-7127NDP6G

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Alternators, High-Amp Output, GM 10SI/10DN/12SI, 12 V, 100 amps, Blue Powdercoated, Serpentine Pulley, Ford, Lincoln, Mercury, Each

Part Number: TFF-7068RF6GBLUE

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Polished, V-Belt Pulley, Each

Part Number: TFF-7127NKP

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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