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Unifap Code 
Replacement / Starter / Alternator Number
3.317
Pulleys - Alternator
REPLACEMENT CODES
Delco
SPECIFICATIONS
Number of Grooves
2
Total Diameter (mm)
90.5
Hole Diameter (mm)
17.0
Total Width (mm)
47.1
Keyway
With Keyway
Application
CHEVROLET-GM
A10, C10, D20, D40
Technical Support
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