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Proform Parts

Proform Alternators 66448.12N Alternator, Black Wrinkle Powdercoated, V-Belt, 120 Amp, GM 10si, Internal Regulator, 1-Wire, Each

SKU: PRO66448.12N

Alternators and Generators
Proform Alternators 66448.12N Alternator, Black Wrinkle Powdercoated, V-Belt, 120 Amp, GM 10si, Internal Regulator, 1-Wire, Each

Proform Parts

Proform Alternators 66448.12N Alternator, Black Wrinkle Powdercoated, V-Belt, 120 Amp, GM 10si, Internal Regulator, 1-Wire, Each

SKU: PRO66448.12N

Alternators and Generators

Sale ends in Calculating...

A$424.36 A$519.44
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

Proform alternators are available for countless vehicles, from the 1950s thru the 1990s. These replacements come assembled and ready to bolt on. They're available in a variety of styles, finishes, amperage outputs, and other options. Select the model recommended for your application.

Part Type

GM Alternator 1 Wire 120 Amp Black

Data: v4.2 - Upd: 2026-10-14 04:30:57

Specifications

Product Attributes - Brand
Proform Parts
Product Attributes - Manufacturer's Part Number
66448.12N
Product Attributes - Part Type
Alternators and Generators
Product Attributes - Product Line
Proform Alternators
Product Attributes - UPC
037995448128
Product Attributes - Remanufactured
No
Product Attributes - Alternator Case Style
GM 10SI/10DN/12SI
Product Attributes - Advertised Amperage Output
120 amps
Product Attributes - Color
Black
Product Attributes - Coating Type
Powdercoated
Product Attributes - Finish
Textured
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.

Reference Information

Brand Name/s Proform Parts
StreetFX SKU pro66448.12N
SFX Item ID 5007561
Supplier Item Code 5007561
Manufacturer SKU 66448.12N
Manufacturer UPC 37995448128
Alternative References PFM66448.12N, 10si, 1-Wire

Compatibility

Application Data
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelCENTURY
    SubmodelBASE
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine VIN CodeL
  • MakeBUICK
    ModelCENTURY
    SubmodelCUSTOM
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine VIN CodeL
  • MakeBUICK
    ModelCENTURY
    SubmodelCUSTOM
    Beginning Year1977
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelCENTURY
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeH
  • MakeBUICK
    ModelCENTURY
    SubmodelLIMITED
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelCENTURY
    SubmodelLIMITED
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeH
  • MakeBUICK
    ModelCENTURY
    SubmodelSPECIAL
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelCENTURY
    SubmodelSPECIAL
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeH
  • MakeBUICK
    ModelCENTURY
    SubmodelSPORT
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelCENTURY
    SubmodelSPORT
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeH
  • MakeBUICK
    ModelLESABRE
    SubmodelBASE
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelLESABRE
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine VIN CodeL
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1977
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelREGAL
    SubmodelBASE
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeH
  • MakeBUICK
    ModelREGAL
    SubmodelLIMITED
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelREGAL
    SubmodelLIMITED
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeH
  • MakeBUICK
    ModelREGAL
    SubmodelSR
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelREGAL
    SubmodelSR
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine VIN CodeL
  • MakeBUICK
    ModelSKYLARK
    SubmodelBASE
    Beginning Year1977
    Ending Year1977
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
    Engine VIN CodeL
  • MakeBUICK
    ModelSKYLARK
    SubmodelBASE
    Beginning Year1977
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelSKYLARK
    SubmodelBASE
    Beginning Year1979
    Ending Year1979
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeG
  • MakeBUICK
    ModelSKYLARK
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeU
  • MakeBUICK
    ModelSKYLARK
    SubmodelCUSTOM
    Beginning Year1979
    Ending Year1979
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
    Engine VIN CodeG

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