Axle Identification - Front

WARNING: This page is about a different car, the 2004 GMC Safari and 2004 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

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)

Fig 1: Front Axle Identification Stamp

Courtesy of GENERAL MOTORS CORP.

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