1971 – 1981 Chevrolet NOS Corvette Fan and Water Pump Pulley GM # 3991425

This new old stock engine fan and water pump pulley was manufactured by General Motors for use on the following models:

Chevrolet 1971 – 1975 Corvette with 350,

Chevrolet 1976 – 1978 Corvette with alternator, CALIF,  

Chevrolet 1979 Corvette 350 with CALIF except Special High Performance,

Chevrolet 1980 – 1981 Corvette.

1 Groove    5-3/4″ Diameter          Stamped 3991425 BX    Replaced by 14023158

*This item will be re-packaged to protect it from shelf wear.