One New Aftermarket Alternator — 21SI 12V 160A 5/16 B+
Made to Fit GMC:
Automotive Models: C6500 Topkick 02-
Automotive Models: B7
Model Breaks: 02-94
Automotive Models: C6000
Model Breaks: 90-90
Automotive Models: C7000 Topkick
Model Breaks: 93-91
Automotive Models: B7
Model Breaks: 94-94






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