Tuff Stuff Performance High-Amp Output Stealth Black Alternators

4.39 out of 5 stars 354 Customer Reviews

Tuff Stuff Performance high-amp output Stealth black alternators are just what every ride needs. These units produce the most power at idle to keep your battery fully charged at all times. Tuff Stuff Performance products are hand-built with the best bearings, diodes, and copper windings available. Stealth black alternators are finished in a powdercoat that's 20 times more durable than ordinary paint and provides a consistent sheen for underhood accessories. They're available in a variety of amperages and case styles for fitment on thousands of specific vehicle applications.

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7068RF

Alternator, Internal Regulator, 100 Amp, One Wire, V-Belt, Black, Ford, Lincoln, Mercury, Each

Part Number: TFF-7068RF

4.62 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators for 1998-2002 CAMARO, FIREBIRD - 8242NB

Alternator, 175 Amp, Replacement, Serpentine, Black, Chevy, Pontiac, Each

Part Number: TFF-8242NB

4.38 out of 5 stars ( 29 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7078NF

Alternator, Black Powdercoated, 100 Amps, V-Belt Pulley, Ford, Lincoln, Mercury, Hybrid Case, Each

Part Number: TFF-7078NF

4.61 out of 5 stars ( 31 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127RATBLK

Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 100 Amps, Black Powdercoated, V-belt Pulley, Each

Part Number: TFF-7127RATBLK

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7771B6G

Alternator, Black, 150 Amps, Serpentine, Ford, Mercury, Each

Part Number: TFF-7771B6G

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7078NF6G

Ford alternator O.E. small case 'New' 100 amp 1-wire black, Hybrid Case, Each

Part Number: TFF-7078NF6G

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB

Alternators and Generators, High-Amp Output Stealth Black Alternators, GM 10si Case Style, 12 V, 140 amps, Black Powdercoat, V-belt Pulley, Chevy, GMC

Part Number: TFF-7127NKB

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB12

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

Part Number: TFF-7127NKB12

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NF

Alternator, Black Powdercoated, 100 amps, V-Belt, 1-Wire, GM, Each

Part Number: TFF-7127NF

4.3 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB6G12

Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Black Powdercoated, Serpentine Pulley, Each

Part Number: TFF-7127NKB6G12

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7771B

Alternator, Black, 150 Amps, V-Belt, Ford, Mercury, Each

Part Number: TFF-7771B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB6G

Alternators and Generators, High-Amp Output Stealth Black Alternators, GM 10si Case Style, 12 V, 140 amps, Black Powdercoat, Serpentine Pulley, Chevy

Part Number: TFF-7127NKB6G

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7102NE

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

Part Number: TFF-7102NE

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 9509RFSP

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

Part Number: TFF-9509RFSP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 8219NF

Alternator, Black, 250 Amps, Serpentine, Chevy, GMC, Each

Part Number: TFF-8219NF

2.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NH

Alternator, Replacement, GM 10si Case Style, 6 V, 65 amps, Black Powdercoated, V-belt Pulley, Each

Part Number: TFF-7127NH

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7716C

Alternator, Black, 100 amps, Serpentine, Ford, Mercury, Each

Part Number: TFF-7716C

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7078NE

Alternator, Black Powdercoated, 70 Amps, V-Belt Pulley, Ford, Lincoln, Mercury, Hybrid Case, Each

Part Number: TFF-7078NE

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7102NFK

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

Part Number: TFF-7102NFK

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7787B

Alternator, Ford 4G Case, 12 V, 130 Amps, Black, Serpentine, Internal Regulator, Ford, Mercury, 4.0L, 5.0L

Part Number: TFF-7787B

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NF6G

Alternator, Black, 100 amps, Serpentine, 1-Wire, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: TFF-7127NF6G

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Powermaster Street Alternators 7294

4.75 out of 5 stars ( 143 )

Estimated Ship Date: Today

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Tuff Stuff Performance High-Amp Output Stealth Black Alternators 8509RFDP

Alternator, Replacement, 100 Amps, 2-Groove V-Belt, Black Finish, Chrysler, Dodge, Plymouth, Each

Part Number: TFF-8509RFDP

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7078NH

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

Part Number: TFF-7078NH

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7078NG

Alternator, Black Powdercoated, 100 Amps, V-Belt Pulley, Ford, Lincoln, Mercury, Hybrid Case, Each

Part Number: TFF-7078NG

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7781C

Alternator, Black, 225 Amps, Serpentine, Ford, 4.6L DOHC, Each

Part Number: TFF-7781C

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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