Axle Identification - Front

Fig 1: Front Axle Identification Stamp

Courtesy of GENERAL MOTORS CORP.

Front axle identification information is stamped on the top of the differential carrier assembly. The information includes the following:

• Broadcast code (1)
• Supplier code (2)
• Date built (3)
• Shift built (4) (Optional for 8.25 inch and 9.25 inch axles)
• Hour built (5)

In order to verify reports made on the differential case assembly, include full code letters and build date numbers.