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Aeromotive Alternator Overdrive Pulleys
Alternator Pulley, Serpentine, 6-Groove, Aluminum, Natural, .635 in. Bore, Bolt-On, Ford, Chevrolet, Each
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
21102
Part Type:
Product Line:
Summit Racing Part Number:
AEI-21102
UPC:
00684980000542
Pulley Style:
Serpentine
Groove Quantity:
6
Outside Diameter (in.):
1.680 in.
Underdrive:
No
Overdrive:
Yes
Alternator Fan Included:
No
Alternator Nose Cover Included:
No
Hardware Included:
No
Alternator Pulley Bore Diameter:
0.635 in.
Alternator Pulley Attachment Style:
Bolt-on
Pulley Material:
Aluminum
Pulley Finish:
Machined
Quantity:
Sold individually.
Notes:
This is a 32 percent overdrive pulley.
Aeromotive Alternator Overdrive Pulleys
Aeromotive alternator overdrive pulleys are the great equalizers when used in conjunction with horsepower-boosting underdrive crank pulleys. Some drivers notice an unhealthy drop in charging capacity after installing underdrive pulleys. These natural CNC-machined finish overdrive pulleys resolve that issue by counteracting those slower underdrive revolutions. They're available in 32 and 50 percent overdrive versions. Alternatively, if you merely require increased charging capacity for that sweet sound system or other electronics, Aeromotive alternator overdrive pulleys save the day again! Order the V-belt or serpentine model needed for your application.
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Some parts are not legal for use in California or other states with similar laws / regulations
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