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.

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Tuff Stuff Performance High-Amp Output Alternators 8509RDSP

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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Tuff Stuff Performance High-Amp Output Alternators 7127ND

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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Tuff Stuff Performance High-Amp Output Alternators 7127NK

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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Tuff Stuff Performance High-Amp Output Alternators 7127NK6G

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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Tuff Stuff Performance High-Amp Output Alternators 9509RDSP

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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Tuff Stuff Performance High-Amp Output Alternators 9509RDPDP

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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Tuff Stuff Performance High-Amp Output Alternators 7127NDP

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

Part Number: TFF-7127NDP

4.53 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 7078ND

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

Part Number: TFF-7078ND

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 7078NKBW

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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Tuff Stuff Performance High-Amp Output Alternators 8112NA

Alternator, Chrome, 170 Amps, Serpentine, Chevy, Each

Part Number: TFF-8112NA

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Alternators 7078NCP

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

Part Number: TFF-7078NCP

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 7068RDP

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 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 7102NPK

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

Part Number: TFF-7102NPK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 7078NDP

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

Part Number: TFF-7078NDP

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 8509RBSP

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: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Powermaster Retro Alternators 75191

4.5 out of 5 stars ( 32 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators for 1998-2001 CAMARO, FIREBIRD - 8242NAP

GM alternator LS1 125 amp O.E.M. repl. polished aluminum

Part Number: TFF-8242NAP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Alternators 9509RDDP

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

Estimated Ship Date: Today