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Auto Pro USA Fan Clutch, Big Block, OE Number 3991430 FC1003A

Auto Pro USA Fan Clutch, Big Block, OE Number 3991430 FC1003A
Auto Pro USA Fan Clutch, Big Block, OE Number 3991430 FC1003AAuto Pro USA Fan Clutch, Big Block, OE Number 3991430 FC1003A
$313.99 ea
NEWARRIVING SOONEstimated Ship Date 06/02/2026 (If Ordered Today)
Model: 5109483
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
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[More Info]

The 1971-1974 GM Passenger Fan Clutch by Auto Pro USA is engineered for durability and precise fitment in classic GM passenger vehicles. This OE-correct reproduction ensures your engines cooling system operates as intended, maintaining the original performance and reliability of your classic car. It is a high-quality restoration component and includes a 1-year replacement warranty.

  • 1971 - 1974 GM Passenger Fan Clutch/ Big Block Schwitzer 427/454
  • Replaces GM OEM part number 3991430 for a reliable and precise fit
  • OE Correct Design/ with Better than OE Functionality
  • Modern Ball Bearing to limit wobble and Provide Smooth Operation
  • Flat Rectangular Bi-Metallic Thermostatic Element
  • New Designed Seals to Prevent any Leaking
  • Backed by a 1 year replacement warranty
About Auto Pro Usa, Inc

AUTO PRO USA, INC. has been serving the automotive aftermarket over the past decade and counting. We are dedicated to offering the best in reverse engineering and product development to the marketplace serving all of the major automotive and recreational vehicle markets. AUTO PRO USA, INC. believes in building long terms partners in the industry with competitive pricing and quality product. We have made it to where we are today because of our valued customers and understanding their needs.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine Fitment Notes
Buick Apollo 1973 Big Block; OE Number 3991430
Buick Apollo 1974 Big Block; OE Number 3991430
Buick Apollo 1975 5.7L / 350 / V8 Big Block; OE Number 3991430
Buick Century Base 1975 5.7L / 350 / V8 Big Block; OE Number 3991430
Buick Century Base 1976 5.7L / 350 / V8 Big Block; OE Number 3991430
Buick Century Base 1977 5.7L / 350 / V8 Big Block; OE Number 3991430
Buick Century Custom 1975 5.7L / 350 / V8 Big Block; OE Number 3991430
Buick Century Custom 1976 5.7L / 350 / V8 Big Block; OE Number 3991430
Buick Century Custom 1977 5.7L / 350 / V8
6.6L / 403 / V8		 Big Block; OE Number 3991430
Buick Century Indianapolis 500 Pace Car 1976 5.7L / 350 / V8 Big Block; OE Number 3991430
Buick Century Luxus 1975 5.7L / 350 / V8 Big Block; OE Number 3991430
Buick Century 1973 7.5L / 455 / V8
5.7L / 350 / V8		 Big Block; OE Number 3991430
Buick Century 1974 7.5L / 455 / V8
5.7L / 350 / V8		 Big Block; OE Number 3991430
Buick Century 1978 Big Block; OE Number 3991430
Buick Regal 1978 Big Block; OE Number 3991430
Buick Skylark 1969 Big Block; OE Number 3991430
Buick Skylark 1970 Big Block; OE Number 3991430
Buick Skylark 1971 Big Block; OE Number 3991430
Buick Skylark 1972 Big Block; OE Number 3991430
Buick Skylark 1975 Big Block; OE Number 3991430
Buick Skylark 1976 Big Block; OE Number 3991430
Buick Skylark 1977 Big Block; OE Number 3991430
Buick Skylark 1978 Big Block; OE Number 3991430
Buick Skylark 1979 Big Block; OE Number 3991430
Buick Special 1969 Big Block; OE Number 3991430
Chevrolet Bel Air 1969 Big Block; OE Number 3991430
Chevrolet Bel Air 1970 Big Block; OE Number 3991430
Chevrolet Bel Air 1971 Big Block; OE Number 3991430
Chevrolet Bel Air 1972 Big Block; OE Number 3991430
Chevrolet Bel Air 1973 Big Block; OE Number 3991430
Chevrolet Bel Air 1974 Big Block; OE Number 3991430
Chevrolet Bel Air 1975 Big Block; OE Number 3991430
Chevrolet Bel Air 1981 Big Block; OE Number 3991430
Chevrolet Biscayne 1969 Big Block; OE Number 3991430
Chevrolet Biscayne 1970 Big Block; OE Number 3991430
Chevrolet Biscayne 1971 Big Block; OE Number 3991430
Chevrolet Biscayne 1972 Big Block; OE Number 3991430
Chevrolet Brookwood 1969 Big Block; OE Number 3991430
Chevrolet Brookwood 1970 Big Block; OE Number 3991430
Chevrolet Brookwood 1971 Big Block; OE Number 3991430
Chevrolet Brookwood 1972 Big Block; OE Number 3991430
Chevrolet Camaro 1969 Big Block; OE Number 3991430
Chevrolet Camaro 1970 Big Block; OE Number 3991430
Chevrolet Camaro 1971 Big Block; OE Number 3991430
Chevrolet Camaro 1972 Big Block; OE Number 3991430
Chevrolet Camaro 1973 Big Block; OE Number 3991430
Chevrolet Camaro 1974 Big Block; OE Number 3991430
Chevrolet Camaro 1975 Big Block; OE Number 3991430
Chevrolet Camaro 1976 Big Block; OE Number 3991430
Chevrolet Camaro 1977 Big Block; OE Number 3991430
Chevrolet Camaro 1978 Big Block; OE Number 3991430
Chevrolet Camaro 1979 Big Block; OE Number 3991430
Chevrolet Camaro 1980 Big Block; OE Number 3991430
Chevrolet Camaro 1981 Big Block; OE Number 3991430
Chevrolet Camaro 1982 Big Block; OE Number 3991430
Chevrolet Camaro 1983 Big Block; OE Number 3991430
Chevrolet Caprice Base 1986 5.7L / 350 / V8 Big Block; OE Number 3991430
Chevrolet Caprice Base 1987 5.7L / 350 / V8 Big Block; OE Number 3991430
Chevrolet Caprice 1969 Big Block; OE Number 3991430
Chevrolet Caprice 1970 Big Block; OE Number 3991430
Chevrolet Caprice 1971 Big Block; OE Number 3991430
Chevrolet Caprice 1972 Big Block; OE Number 3991430
Chevrolet Caprice 1973 Big Block; OE Number 3991430
Chevrolet Caprice 1974 Big Block; OE Number 3991430
Chevrolet Caprice 1975 Big Block; OE Number 3991430
Chevrolet Caprice 1976 Big Block; OE Number 3991430
Chevrolet Caprice 1977 Big Block; OE Number 3991430
Chevrolet Caprice 1978 Big Block; OE Number 3991430
Chevrolet Caprice 1979 Big Block; OE Number 3991430
Chevrolet Caprice 1980 Big Block; OE Number 3991430
Chevrolet Caprice 1981 Big Block; OE Number 3991430
Chevrolet Caprice 1982 Big Block; OE Number 3991430
Chevrolet Caprice 1983 Big Block; OE Number 3991430
Chevrolet Caprice 1984 Big Block; OE Number 3991430
Chevrolet Caprice 1985 Big Block; OE Number 3991430
Chevrolet Chevelle Deluxe 1973 7.4L / 454 / V8
5.0L / 307 / V8
4.1L / 250 / L6
5.7L / 350 / V8		 Big Block; OE Number 3991430
Chevrolet Chevelle Malibu 1973 7.4L / 454 / V8
5.0L / 307 / V8
4.1L / 250 / L6
5.7L / 350 / V8		 Big Block; OE Number 3991430
Chevrolet Chevelle SS 1973 7.4L / 454 / V8
5.7L / 350 / V8		 Big Block; OE Number 3991430
Chevrolet Chevelle 1969 Big Block; OE Number 3991430
Chevrolet Chevelle 1970 Big Block; OE Number 3991430
Chevrolet Chevelle 1971 Big Block; OE Number 3991430
Chevrolet Chevelle 1972 Big Block; OE Number 3991430
Chevrolet Chevelle 1973 7.4L / 454 / V8
5.0L / 307 / V8
4.1L / 250 / L6
5.7L / 350 / V8		 Big Block; OE Number 3991430
Chevrolet Corvette 1969 Big Block; OE Number 3991430
Chevrolet Corvette 1970 Big Block; OE Number 3991430
Chevrolet Corvette 1971 Big Block; OE Number 3991430
Chevrolet Corvette 1972 Big Block; OE Number 3991430
Chevrolet Corvette 1973 Big Block; OE Number 3991430
Chevrolet Corvette 1974 Big Block; OE Number 3991430
Chevrolet Corvette 1975 Big Block; OE Number 3991430
Chevrolet Corvette 1976 Big Block; OE Number 3991430
Chevrolet Corvette 1977 Big Block; OE Number 3991430
Chevrolet Corvette 1978 Big Block; OE Number 3991430
Chevrolet Corvette 1979 Big Block; OE Number 3991430
Chevrolet Corvette 1980 Big Block; OE Number 3991430
Chevrolet Corvette 1981 Big Block; OE Number 3991430
Chevrolet El Camino 1971 Big Block; OE Number 3991430
Chevrolet El Camino 1972 Big Block; OE Number 3991430
Chevrolet El Camino 1973 Big Block; OE Number 3991430
Chevrolet El Camino 1974 Big Block; OE Number 3991430
Chevrolet El Camino 1975 Big Block; OE Number 3991430
Chevrolet El Camino 1976 Big Block; OE Number 3991430
Chevrolet El Camino 1977 Big Block; OE Number 3991430
Chevrolet El Camino 1978 Big Block; OE Number 3991430
Chevrolet El Camino 1979 Big Block; OE Number 3991430
Chevrolet El Camino 1980 Big Block; OE Number 3991430
Chevrolet El Camino 1981 Big Block; OE Number 3991430
Chevrolet El Camino 1982 Big Block; OE Number 3991430
Chevrolet El Camino 1983 Big Block; OE Number 3991430
Chevrolet El Camino 1984 Big Block; OE Number 3991430
Chevrolet El Camino 1985 Big Block; OE Number 3991430
Chevrolet El Camino 1986 Big Block; OE Number 3991430
Chevrolet El Camino 1987 Big Block; OE Number 3991430
Chevrolet Impala 1969 Big Block; OE Number 3991430
Chevrolet Impala 1970 Big Block; OE Number 3991430
Chevrolet Impala 1971 Big Block; OE Number 3991430
Chevrolet Impala 1972 Big Block; OE Number 3991430
Chevrolet Impala 1973 Big Block; OE Number 3991430
Chevrolet Impala 1974 Big Block; OE Number 3991430
Chevrolet Impala 1975 Big Block; OE Number 3991430
Chevrolet Impala 1976 Big Block; OE Number 3991430
Chevrolet Impala 1977 Big Block; OE Number 3991430
Chevrolet Impala 1978 Big Block; OE Number 3991430
Chevrolet Impala 1979 Big Block; OE Number 3991430
Chevrolet Impala 1980 Big Block; OE Number 3991430
Chevrolet Impala 1981 Big Block; OE Number 3991430
Chevrolet Impala 1982 Big Block; OE Number 3991430
Chevrolet Impala 1983 Big Block; OE Number 3991430
Chevrolet Impala 1984 Big Block; OE Number 3991430
Chevrolet Impala 1985 Big Block; OE Number 3991430
Chevrolet Kingswood 1969 Big Block; OE Number 3991430
Chevrolet Kingswood 1970 Big Block; OE Number 3991430
Chevrolet Kingswood 1971 Big Block; OE Number 3991430
Chevrolet Kingswood 1972 Big Block; OE Number 3991430
Chevrolet Malibu Base 1975 4.1L / 250 / L6 Big Block; OE Number 3991430
Chevrolet Malibu Classic 1975 5.7L / 350 / V8 Big Block; OE Number 3991430
Chevrolet Malibu 1978 Big Block; OE Number 3991430
Chevrolet Malibu 1979 Big Block; OE Number 3991430
Chevrolet Malibu 1980 Big Block; OE Number 3991430
Chevrolet Malibu 1981 Big Block; OE Number 3991430
Chevrolet Malibu 1982 Big Block; OE Number 3991430
Chevrolet Malibu 1983 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1970 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1971 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1972 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1973 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1974 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1975 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1976 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1977 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1978 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1979 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1980 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1981 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1982 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1983 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1984 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1985 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1986 Big Block; OE Number 3991430
Chevrolet Monte Carlo 1987 Big Block; OE Number 3991430
Chevrolet Nova 1969 Big Block; OE Number 3991430
Chevrolet Nova 1970 Big Block; OE Number 3991430
Chevrolet Nova 1971 Big Block; OE Number 3991430
Chevrolet Nova 1972 Big Block; OE Number 3991430
Chevrolet Nova 1973 Big Block; OE Number 3991430
Chevrolet Nova 1974 Big Block; OE Number 3991430
Chevrolet Nova 1975 Big Block; OE Number 3991430
Chevrolet Nova 1976 Big Block; OE Number 3991430
Chevrolet Nova 1977 Big Block; OE Number 3991430
Chevrolet Nova 1978 Big Block; OE Number 3991430
Chevrolet Nova 1979 Big Block; OE Number 3991430
Chevrolet Townsman 1969 Big Block; OE Number 3991430
Chevrolet Townsman 1970 Big Block; OE Number 3991430
Chevrolet Townsman 1971 Big Block; OE Number 3991430
Chevrolet Townsman 1972 Big Block; OE Number 3991430
GMC Sprint 1972 Big Block; OE Number 3991430
GMC Sprint 1973 Big Block; OE Number 3991430
GMC Sprint 1974 Big Block; OE Number 3991430
GMC Sprint 1975 Big Block; OE Number 3991430
GMC Sprint 1976 Big Block; OE Number 3991430
GMC Sprint 1977 Big Block; OE Number 3991430
Oldsmobile 442 1968 Big Block; OE Number 3991430
Oldsmobile 442 1969 Big Block; OE Number 3991430
Oldsmobile 442 1970 Big Block; OE Number 3991430
Oldsmobile 442 1971 Big Block; OE Number 3991430
Oldsmobile Cutlass Supreme 1968 Big Block; OE Number 3991430
Oldsmobile Cutlass Supreme 1969 Big Block; OE Number 3991430
Oldsmobile Cutlass Supreme 1970 Big Block; OE Number 3991430
Oldsmobile Cutlass Supreme 1971 Big Block; OE Number 3991430
Oldsmobile Cutlass Supreme 1972 Big Block; OE Number 3991430
Oldsmobile Cutlass Supreme 1973 Big Block; OE Number 3991430
Oldsmobile Cutlass Supreme 1974 Big Block; OE Number 3991430
Oldsmobile Cutlass Supreme 1975 Big Block; OE Number 3991430
Oldsmobile Cutlass 1968 Big Block; OE Number 3991430
Oldsmobile Cutlass 1969 Big Block; OE Number 3991430
Oldsmobile Cutlass 1970 Big Block; OE Number 3991430
Oldsmobile Cutlass 1971 Big Block; OE Number 3991430
Oldsmobile Cutlass 1972 Big Block; OE Number 3991430
Oldsmobile Cutlass 1973 Big Block; OE Number 3991430
Oldsmobile Cutlass 1974 Big Block; OE Number 3991430
Oldsmobile Cutlass 1975 Big Block; OE Number 3991430
Oldsmobile F85 1968 Big Block; OE Number 3991430
Oldsmobile F85 1969 Big Block; OE Number 3991430
Oldsmobile F85 1970 Big Block; OE Number 3991430
Oldsmobile F85 1971 Big Block; OE Number 3991430
Oldsmobile F85 1972 Big Block; OE Number 3991430
Oldsmobile Omega 1974 Big Block; OE Number 3991430
Oldsmobile Omega 1975 Big Block; OE Number 3991430
Oldsmobile Omega 1976 Big Block; OE Number 3991430
Oldsmobile Omega 1977 Big Block; OE Number 3991430
Oldsmobile Omega 1978 Big Block; OE Number 3991430
Oldsmobile Omega 1979 Big Block; OE Number 3991430
Pontiac Bonneville 1976 Big Block; OE Number 3991430
Pontiac Bonneville 1977 Big Block; OE Number 3991430
Pontiac Bonneville 1978 Big Block; OE Number 3991430
Pontiac Bonneville 1979 Big Block; OE Number 3991430
Pontiac Catalina 1976 Big Block; OE Number 3991430
Pontiac Catalina 1977 Big Block; OE Number 3991430
Pontiac Catalina 1978 Big Block; OE Number 3991430
Pontiac Catalina 1979 Big Block; OE Number 3991430
Pontiac Firebird 1969 Big Block; OE Number 3991430
Pontiac Firebird 1970 Big Block; OE Number 3991430
Pontiac Firebird 1971 Big Block; OE Number 3991430
Pontiac Firebird 1972 Big Block; OE Number 3991430
Pontiac Firebird 1973 Big Block; OE Number 3991430
Pontiac Firebird 1974 Big Block; OE Number 3991430
Pontiac Firebird 1975 Big Block; OE Number 3991430
Pontiac Grand LeMans 1980 Big Block; OE Number 3991430
Pontiac Grand LeMans 1981 Big Block; OE Number 3991430
Pontiac Grand LeMans 1982 Big Block; OE Number 3991430
Pontiac Grand LeMans 1983 Big Block; OE Number 3991430
Pontiac Parisienne 1983 5.7L / 350 / V8 Big Block; OE Number 3991430
Pontiac Parisienne 1984 5.7L / 350 / V8 Big Block; OE Number 3991430
Pontiac Parisienne 1985 5.7L / 350 / V8 Big Block; OE Number 3991430
Pontiac Phoenix 1977 Big Block; OE Number 3991430
Pontiac Phoenix 1978 Big Block; OE Number 3991430
Pontiac Phoenix 1979 Big Block; OE Number 3991430
Pontiac Tempest 1969 Big Block; OE Number 3991430
Pontiac Tempest 1970 Big Block; OE Number 3991430
Pontiac Ventura 1972 Big Block; OE Number 3991430
Pontiac Ventura 1973 Big Block; OE Number 3991430
Pontiac Ventura 1974 Big Block; OE Number 3991430
Pontiac Ventura 1975 Big Block; OE Number 3991430
Pontiac Ventura 1976 Big Block; OE Number 3991430
Pontiac Ventura 1977 Big Block; OE Number 3991430

Specifications:

Part Type Engine Cooling Fan Clutch
Warranty 1 Year Manufacturer Warranty

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