This GMB Engine Cooling Fan Clutch fits your 1991 1990 1989 Chevrolet R3500 5.7L 7.4L V8 and is perfect for a tune up or performance upgrade. .
The GMB Engine Cooling Fan Clutch is ideal for Chevrolet R3500 and R4500 truck owners between 1989 and 1991 with 5.7L or 7.4L V8 engines, specifically the fb version.
