Description
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
Auto Pro USA Fan Clutch
Big Block
OE Number 3991430
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