Avalanche, Sierra, Silverado, C&K Series, 1999-2005

Front Drive Axle Identification


1. Broadcast Code

2. Supplier Code (G = American Axle)

3. Julian Date (Day of Year)

4. Shift Built (1 = First Shift; 2 = Second Shift) (Optional for 8.25" and 9.25" axles)

5. Hour Built

Front axle identification information is stamped on the top of the differential carrier assembly.

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Fig. 1999-04 front drive axle identification code