Feature●100% newly manufactured as an exact replacement for your GM vehicle’s original alternator●Components are tested to meet original specification requirements for remarkable durability.Pulley Outside Diameter (in): 2.2●GM-recommended replacement part for your GM vehicle’s original factory component●Offering the quality, reliability, and durability of GM OE. Amperage Rating-145 A. Fan Type- Internal●Manufactured to GM OE specifications for fit, form, and functionDescription
The number of pulley groove available are 6.