Rear Axle Identification. GMC Truck GMC C-Series Medium Duty Truck B7 1999

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C-Series Medium Duty Truck B7 🢒 General Information 🢒 General Information 🢒 Rear Axle Identification

All axle housings have identification tags or identification information stamped on them. There are two manufactures:


(1)	Axle Specification Number
(2)	Casting Number
(3)	Rough Number
(4)	Capacity
(5)	Housing Subassembly Number (Including Tubes)

The carrier tag may contain the following information:

•	The axle model

•

The ratio

•	The carrier assembly number

•	The carrier serial number

•	The date of assembly

There are two manufacturers of differential carriers:


(1)	Side View
(2)	Top View


(1)	Dana® Part Number
(2)	Customer Part Number (Optional)
(3)	Julian Date Code
(4)	Line Set Number (Optional)
(5)	Last Six Digits of Vehicle Serial Number (Optional)

Record all of the information on these tags in order to help identify the axle assembly.