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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, Powdercoated, V-Belt, Each

SKU: TFF7127NKB12

Alternators and Generators

Tuff Stuff Performance High-Amp Output Stealth Black Alternators 7127NKB12 Alternator, Performance, High Amp, GM 10si Case Style, 12 V, 140 Amps, Powdercoated, V-Belt, Each

SKU: TFF7127NKB12

Alternators and Generators
A$610.52
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

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.

Part Type

GM Alternator 140 amp 1- Wire Black 12 Clocking

Data: v4.2 - Upd: 2026-09-30 16:51:05

Specifications

Product Attributes - Brand
Tuff Stuff Performance
Product Attributes - Manufacturer's Part Number
7127NKB12
Product Attributes - Part Type
Alternators and Generators
Product Attributes - Product Line
Tuff Stuff Performance High-Amp Output Stealth Black Alternators
Product Attributes - UPC
698252018371
Product Attributes - Remanufactured
No
Product Attributes - Alternator Case Style
GM 10SI/10DN/12SI
Product Attributes - Advertised Amperage Output
140 amps
Product Attributes - Color
Black
Product Attributes - Coating Type
Powdercoated
Product Attributes - Voltage Compatibility
12
Product Attributes - One-Wire Capable
Yes
Product Attributes - Pulley Included
Yes
Product Attributes - Pulley Style
V-belt
Product Attributes - Regulator Included
Yes
Product Attributes - Alternator Regulator Location
Internal
Product Attributes - Belt Included
No
Product Attributes - Alternator Brackets Included
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
With 12si style smooth rear housing. V-belt pulley accommodates 3/8 in. wide belts. 12 clocking.

Reference Information

Brand Name/s Tuff Stuff Performance
StreetFX SKU tff7127NKB12
SFX Item ID 5499798
Supplier Item Code 5499798
Manufacturer SKU 7127NKB12
Manufacturer UPC 698252018371
Alternative References TFS7127NKB12, 10si

Compatibility

Application Data
  • MakeBUICK
    ModelAPOLLO
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeL6
    Engine FamilyGM L6 GAS
    Engine Size4.1L/250
  • MakeBUICK
    ModelAPOLLO
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelAPOLLO
    SubmodelSR
    Beginning Year1975
    Ending Year1975
    Engine TypeL6
    Engine FamilyGM L6 GAS
    Engine Size4.1L/250
  • MakeBUICK
    ModelAPOLLO
    SubmodelSR
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelCENTURION
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1975
    Ending Year1977
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
  • MakeBUICK
    ModelCENTURY
    SubmodelCUSTOM
    Beginning Year1975
    Ending Year1977
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelCENTURY
    SubmodelCUSTOM
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
  • MakeBUICK
    ModelCENTURY
    SubmodelINDIANAPOLIS 500 PACE CAR
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1973
    Ending Year1974
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size7.5L/455
  • MakeBUICK
    ModelCENTURY
    SubmodelLUXUS
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1977
    Ending Year1979
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelELECTRA
    Submodel225
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelELECTRA
    SubmodelLIMITED
    Beginning Year1977
    Ending Year1979
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelELECTRA
    SubmodelLIMITED
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelELECTRA
    SubmodelPARK AVENUE
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelELECTRA
    SubmodelPARK AVENUE
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelESTATE WAGON
    SubmodelBASE
    Beginning Year1973
    Ending Year1973
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelESTATE WAGON
    SubmodelBASE
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyBuick V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelESTATE WAGON
    SubmodelBASE
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350
  • MakeBUICK
    ModelLESABRE
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine FamilyOldsmobile V8
    Engine Size5.7L/350

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