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Proform 66445N

Internal Regulator Alternator 63 Amps for 1973-1986 GM in Chrome Finish

Proform 66445N

778-66445N

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Proform 66445N Internal Regulator Alternator 63 Amps for 1973-1986 GM in Chrome Finish $103.99
Internal Regulator Alternator
  • 1973-86 GM
  • 63 Amps
  • Chrome Finish

  • Proform 66445N Details

    Internal Regulator 100% New GM Performance Alternators

  • Individually Tested

  • Specifications:

    Amperage
    60 AMP
    Mounting
    Without Mounting Kit
    Belt Included
    NO
    Pulley Style
    V-Belt Pulley
    Regulator Type
    Internal
    Voltage
    12 Volt
    Wire Type
    3-Wire
    Case Style
    GM 10SI
    Pulley Included
    Yes
    Regulator Included
    Yes
    Advertised Amperage Output
    63 amps
    Alternator Brackets Included
    No
    Alternator Case Style
    GM 10si
    Alternator Finish
    Chrome plated
    One-Wire Capable
    No
    Quantity
    Sold individually
    Regulator Style
    Internal
    Voltage Compatibility
    12
    Manufacturer's Part Number:
    66445N

    A manufacturing breakthrough has enabled PROFORM to offer 100% NEW alternators with the same affordability as others' rebuilt models! Each unit is thoroughly inspected, tested and supplied with its own individual Quality Assurance graph documenting its performance and is easily identified by the machined pulley. The GM-style internal regulated or 1-wire design makes them easy to install.

    Click Here for One-Wire Alternator Instructions

    Does Proform 66445N fit your vehicle?

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    Aspiration

    1973-1974 GMC K1500 PICKUP

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1980-1982 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: M
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1980 OLDSMOBILE 98

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981-1983 CHEVROLET CHEVETTE

    • EngineType: ALL
    • SubModel: SCOOTER

    1986 CHEVROLET CAVALIER Z24

    • EngineType: ALL
    • SubModel: ALL

    1983-1984 CHEVROLET C30 PICKUP

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 OLDSMOBILE OMEGA

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1975 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: SPORTVAN

    1982 GMC C2500 SUBURBAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1975-1976 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: ESTATE

    1983 CHEVROLET MALIBU

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 229
    • EngineType: V6 ( 3.8 L / 229 )

    1982-1984 BUICK REGAL

    • Liter: 4.1
    • SubModel: LIMITED
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1983-1984 CHEVROLET C20 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980-1981 OLDSMOBILE CUTLASS SUPREME

    • CC: 3800
    • Liter: 3.8
    • SubModel: BROUGHAM
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1985 BUICK ELECTRA

    • CC: 3800
    • Liter: 3.8
    • SubModel: PARK AVENUE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980 OLDSMOBILE CUTLASS SALON

    • Liter: 4.3
    • SubModel: BROUGHAM
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1983 BUICK CENTURY

    • CC: 2474
    • Liter: 2.5
    • SubModel: LIMITED
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1980-1983 OLDSMOBILE DELTA 88

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1983-1984 GMC G35/G3500 VAN

    • Liter: 4.1
    • SubModel: VANDURA
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: CONCOURS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1985 OLDSMOBILE 98

    • CC: 3800
    • Liter: 3.8
    • SubModel: REGENCY
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1974 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: V
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 GMC K25/K2500 SUBURBAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 GMC P35/P3500 VAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1973 PONTIAC FIREBIRD

    • CC: 6555
    • Liter: 6.6
    • Aspiration: N
    • SubModel: FORMULA
    • Engine Vin: R
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1977 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: S

    1981 PONTIAC GRAND PRIX

    • Liter: 4.3
    • SubModel: LJ
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1981-1983 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 PONTIAC VENTURA

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 GMC C1500 PICKUP

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 CHEVROLET G10 VAN

    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979-1980 GMC K1500 PICKUP

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1978 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: FORMULA

    1974 CHEVROLET EL CAMINO

    • Liter: 7.4
    • SubModel: CUSTOM
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1978-1979 PONTIAC SUNBIRD

    • CC: 3800
    • Liter: 3.8
    • SubModel: SAFARI
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1982-1984 GMC C2500 PICKUP

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1981 PONTIAC LEMANS

    • CC: 3800
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1986 PONTIAC PARISIENNE

    • EngineType: ALL
    • SubModel: ALL

    1976 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1985-1986 OLDSMOBILE FIRENZA

    • EngineType: ALL
    • SubModel: S

    1973 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1982-1983 CHEVROLET CITATION

    • CC: 2474
    • Liter: 2.5
    • SubModel: BASE
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1975 BUICK APOLLO

    • Liter: 5.7
    • SubModel: SR
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974 GMC JIMMY

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976 PONTIAC ASTRE

    • CC: 2294
    • Liter: 2.3
    • SubModel: BASE
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1973 PONTIAC CATALINA

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1985-1986 PONTIAC 6000

    • Liter: 2.8
    • SubModel: LE
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1973 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980-1981 BUICK SKYLARK

    • Liter: 2.8
    • SubModel: BASE
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1977-1978 PONTIAC GRAND LEMANS

    • EngineType: ALL
    • SubModel: SAFARI

    1981-1986 BUICK REGAL

    • CC: 3800
    • Liter: 3.8
    • SubModel: LIMITED
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1977 CHEVROLET IMPALA

    • EngineType: ALL
    • SubModel: CUSTOM

    1983 OLDSMOBILE FIRENZA

    • Liter: 2.0
    • SubModel: SX
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )

    1980-1985 BUICK RIVIERA

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1985-1986 CHEVROLET CAVALIER

    • EngineType: ALL
    • SubModel: CS

    1981 BUICK REGAL

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1973-1974 OLDSMOBILE OMEGA

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974 CHEVROLET MALIBU

    • CC: 7441
    • Liter: 7.4
    • Aspiration: N
    • SubModel: CLASSIC
    • Engine Vin: Y
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980 CHEVROLET C10 PICKUP

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979 CHEVROLET MALIBU

    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: V6 ( 3.3 L / 200 )

    1976 CHEVROLET MALIBU

    • CC: 5031
    • Liter: 5.0
    • SubModel: CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 BUICK ELECTRA

    • Liter: 6.6
    • SubModel: LIMITED
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1986 CHEVROLET C10 PICKUP

    • Liter: 4.3
    • SubModel: CUSTOM
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1974 GMC C25/C2500 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1974 PONTIAC LEMANS

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: SPORT
    • Engine Vin: A
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 PONTIAC GRAND PRIX

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1973 CHEVROLET P10 VAN

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1981 PONTIAC FIREBIRD

    • CC: 3800
    • Liter: 3.8
    • SubModel: FORMULA
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981 CHEVROLET K30 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1980 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 GMC C1500 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1982-1986 GMC C1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 CHEVROLET C20 PICKUP

    • Liter: 4.3
    • SubModel: CUSTOM
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1978 PONTIAC GRAND PRIX

    • Liter: 4.9
    • SubModel: SJ
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1980 CHEVROLET P30 VAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1983-1986 GMC G25/G2500 VAN

    • Liter: 5.7
    • SubModel: RALLY
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 CHEVROLET VEGA

    • EngineType: ALL
    • SubModel: PANEL

    1973 PONTIAC GRAND AM

    • CC: 7456
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1977 OLDSMOBILE CUSTOM CRUISER

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1979 BUICK ELECTRA

    • Liter: 5.7
    • Aspiration: N
    • SubModel: LIMITED
    • Engine Vin: R
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1986 CHEVROLET C30 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974 OLDSMOBILE CUSTOM CRUISER

    • CC: 7457
    • Liter: 7.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: T
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1985 CHEVROLET C10 PICKUP

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1976 CHEVROLET MONZA

    • CC: 2294
    • Liter: 2.3
    • SubModel: 2+2
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1986 BUICK SOMERSET

    • EngineType: ALL
    • SubModel: LIMITED

    1975-1978 GMC C35/C3500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1973 OLDSMOBILE CUTLASS

    • CC: 5737
    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985 OLDSMOBILE TORONADO

    • Liter: 5.0
    • SubModel: CALIENTE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1980 CHEVROLET P30 VAN

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 OLDSMOBILE DELTA 88

    • CC: 5737
    • Liter: 5.7
    • SubModel: ROYALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 CHEVROLET P10 VAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978 CHEVROLET MONZA

    • CC: 3800
    • Liter: 3.8
    • SubModel: 2+2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1975-1976 BUICK SKYLARK

    • Liter: 3.8
    • SubModel: SR
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1974 CHEVROLET C30 PICKUP

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 BUICK CENTURY

    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981 BUICK CENTURY

    • CC: 3800
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1973 GMC P25/P2500 VAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
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