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Proform 66445.1N

1-Wire GM Alternator 100-Amp in Chrome Finish

Proform 66445.1N

778-66445.1N

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Proform 66445.1N 1-Wire GM Alternator 100-Amp in Chrome Finish $120.99
1-Wire GM Alternator
  • 100-Amp
  • Chrome Finish

  • Proform 66445.1N Details

    1-Wire 100% New GM Performance Alternators

  • Individually Tested
  • Use In Place Of Alternators w/External Regulator

  • Specifications:

    Amperage
    100 AMP
    Mounting
    Without Mounting Kit
    Regulator Type
    Internal
    Voltage
    12 Volt
    Case Style
    GM 10SI
    Wire Type
    1-Wire
    Manufacturer's Part Number:
    66445.1N

    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 66445.1N fit your vehicle?

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    Aspiration

    1968 GMC K15/K1500 SUBURBAN

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

    1972-1973 GMC K35/K3500 PICKUP

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

    1968 GMC K15/K1500 PICKUP

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

    1966-1967 PONTIAC LEMANS

    • CC: 5343
    • Liter: 5.3
    • Aspiration: N
    • SubModel: BASE
    • CUI: 326
    • EngineType: V8 ( 5.3 L / 326 )

    1976 PONTIAC LEMANS

    • EngineType: ALL
    • SubModel: SAFARI

    1983-1984 BUICK SKYLARK

    • Liter: 2.8
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: X
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1977 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: 225 LIMITED

    1978 OLDSMOBILE CUTLASS CALAIS

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

    1983-1984 CHEVROLET S10 PICKUP

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

    1974 CHEVROLET C20 PICKUP

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

    1977 OLDSMOBILE CUTLASS

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

    1975-1976 CHEVROLET MALIBU

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

    1984-1986 OLDSMOBILE CUTLASS SUPREME

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

    1970 CHEVROLET C30 PICKUP

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1969 PONTIAC TEMPEST

    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1966 PONTIAC BONNEVILLE

    • CC: 6376
    • Liter: 6.4
    • Aspiration: N
    • SubModel: BASE
    • CUI: 389
    • EngineType: V8 ( 6.4 L / 389 )

    1985-1986 GMC G25/G2500 VAN

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

    1971 CHEVROLET G10 VAN

    • CC: 4097
    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1974 OLDSMOBILE VISTA CRUISER

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

    1972-1973 CHEVROLET P30 VAN

    • EngineType: ALL
    • SubModel: ALL

    1984-1985 BUICK CENTURY

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

    1969 CHEVROLET K10 PICKUP

    • CC: 6489
    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Y
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1972 CHEVROLET C10 SUBURBAN

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

    1980-1981 PONTIAC PHOENIX

    • EngineType: ALL
    • SubModel: ALL

    1978 GMC C15 SUBURBAN

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

    1974 CHEVROLET MALIBU

    • CC: 6556
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1981 CHEVROLET MALIBU

    • Liter: 4.4
    • SubModel: BASE
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1984-1986 CHEVROLET MONTE CARLO

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

    1966 GMC K15/K1500 PICKUP

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

    1966-1967 BUICK SKYLARK

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: V8 ( 4.9 L / 300 )

    1972 GMC C25/C2500 SUBURBAN

    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: D
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1985-1986 PONTIAC 6000

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

    1977-1978 CHEVROLET K5 BLAZER

    • EngineType: ALL
    • SubModel: CHEYENNE

    1986 PONTIAC FIREBIRD

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

    1975-1976 OLDSMOBILE OMEGA

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

    1979 PONTIAC CATALINA

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

    1978-1979 CHEVROLET MONZA

    • Liter: 3.2
    • SubModel: BASE
    • CUI: 196
    • EngineType: V6 ( 3.2 L / 196 )

    1983-1984 CHEVROLET C20 SUBURBAN

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

    1973 CHEVROLET C20 PICKUP

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

    1984-1985 GMC S15 PICKUP

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

    1974 CHEVROLET C20 PICKUP

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

    1968 CHEVROLET CHEVELLE

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: MALIBU
    • Engine Vin: ME
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1974 CHEVROLET G30 VAN

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

    1982-1983 BUICK REGAL

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

    1972 CHEVROLET CAPRICE

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

    1971 BUICK LESABRE

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

    1973 GMC C1500 PICKUP

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

    1975-1978 GMC K15 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1967 CHEVROLET CHEVY II

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

    1968-1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: 300 DELUXE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1971 CHEVROLET CAPRICE

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1977 PONTIAC GRAND PRIX

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

    1970 PONTIAC EXECUTIVE

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

    1974 CHEVROLET P10 VAN

    • EngineType: ALL
    • SubModel: ALL

    1983-1986 BUICK CENTURY

    • EngineType: ALL
    • SubModel: T-TYPE

    1979 PONTIAC GRAND LEMANS

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

    1972-1973 OLDSMOBILE DELTA 88

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

    1977 BUICK CENTURY

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

    1983-1986 GMC G25/G2500 VAN

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

    1974 GMC K25/K2500 PICKUP

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

    1981 CHEVROLET CITATION

    • Liter: 2.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: X
    • CUI: 173
    • EngineType: V6 ( 2.8 L / 173 )

    1979-1981 PONTIAC FIREBIRD

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

    1980-1981 OLDSMOBILE CUTLASS SUPREME

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

    1983-1984 CHEVROLET EL CAMINO

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

    1974 OLDSMOBILE DELTA 88

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

    1973-1974 CHEVROLET C10 PICKUP

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

    1983-1985 PONTIAC PARISIENNE

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

    1977 OLDSMOBILE DELTA 88

    • CC: 3800
    • Liter: 3.8
    • Aspiration: N
    • SubModel: ROYALE
    • Engine Vin: A
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1974 GMC K15/K1500 SUBURBAN

    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977 PONTIAC FIREBIRD

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

    1982 CHEVROLET CAPRICE

    • Liter: 4.4
    • SubModel: CLASSIC
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1974 CHEVROLET K20 SUBURBAN

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

    1969 OLDSMOBILE DELTA 88

    • CC: 7456
    • Liter: 7.5
    • SubModel: CUSTOM
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1971 GMC K15/K1500 SUBURBAN

    • Liter: 4.1
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1981 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1972 PONTIAC GRAND SAFARI

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

    1983-1984 CHEVROLET C20 PICKUP

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

    1982-1986 GMC C2500 SUBURBAN

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

    1977 PONTIAC LEMANS

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

    1966 OLDSMOBILE STARFIRE

    • EngineType: ALL
    • SubModel: ALL

    1985 CHEVROLET IMPALA

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

    1976 CHEVROLET G10 VAN

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

    1969-1970 CHEVROLET C20 SUBURBAN

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

    1983-1986 CHEVROLET G30 VAN

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

    1980 CHEVROLET K20 SUBURBAN

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

    1980-1984 BUICK LESABRE

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

    1978-1980 BUICK ELECTRA

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

    1969-1970 CHEVROLET C20 PICKUP

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

    1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Liter: 6.6
    • Aspiration: N
    • SubModel: NOMAD
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1977 PONTIAC FIREBIRD

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

    1978-1984 GMC C1500 PICKUP

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

    1973 CHEVROLET CHEVELLE

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

    1975-1981 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1968 CHEVROLET K20 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979 OLDSMOBILE CUTLASS SALON

    • CC: 3800
    • Liter: 3.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: 2
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1984-1986 BUICK REGAL

    • EngineType: ALL
    • SubModel: GRAND NATIONAL

    1968 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: ALL

    1968-1972 CHEVROLET CHEVELLE

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

    1968 GMC C15/C1500 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975 PONTIAC VENTURA

    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: J
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
    66445.1N - Proform 100% New GM Performance Alternators is rated 5.0 out of 5 by 5.
    Rated 5 out of 5 by from Great looking Haven't put power through it yet because I installed it in a show car that's being built. Not only is it a one wire but after calling Jegs they informed me that by simply removing a rubber plug, the original wiring harness plugs right in. Very versatile. The chrome finish is perfect.
    Date published: 2015-02-15
    Rated 5 out of 5 by from Better than expected Purchased this for my Boss Hoss Motorcycle powered by a SBC ZZ4. Needed a chrome alt and this was an exact fit and flawless. It even had a performance sheet showing it was tested. Great product at a fantastic price.
    Date published: 2014-11-02
    Rated 5 out of 5 by from chrome alternator it ship faster that I ever also very nice chrome with all the info I needed thanks
    Date published: 2015-02-16
    Rated 5 out of 5 by from Looks Great! Nice finish Plugs right into factory OEM wiring harness. Looks good!
    Date published: 2016-06-21
    Rated 5 out of 5 by from
    Date published: 2017-06-02
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