GMB 930-2130
Heavy-duty thermal fan clutch for the 1974–1980 Chevrolet Corvette 5.7 V8, with four bolts and an 82.55 mm bolt circle.
GMB 930-2130 is a heavy-duty thermal fan clutch for the 1974–1980 Chevrolet Corvette with a 5.7 L V8 and the corresponding cooling package. The viscous thermal clutch varies fan speed according to temperature behind the radiator, reducing drag and noise when maximum airflow is unnecessary.
Application / fitment
- 1974–1980 Chevrolet Corvette
- 5.7 L / 350 CID V8
- selected heavy-duty cooling configurations
Compare bolt circle, flange diameter, pilot, rotation and fan-to-radiator position. Different Corvette cooling and air-conditioning packages can use different fan clutches.
Technical information
- type: thermal fan clutch
- duty rating: heavy duty
- rotation: standard / clockwise
- mounting holes: 4
- bolt circle: 3.25" / 82.55 mm
- flange diameter: 2.56" / approximately 65.02 mm
- bolt thread: 5/16"-18
- thermal spring type: coil
- hardware included: 4 bolts and 4 washers
- cross-reference: ACDelco 154317
- UPC: 00083286188242
- sales unit: 1 piece
Inspect the water pump, fan blades and shroud before installation. The fan must not contact the shroud or radiator throughout powertrain movement.