Advance Adapters AX15 - Manual (Page 12)

12
An example of an early model GM topcover indentification tag (left) and a later model GM topcover indentification tag (right).
GM NV4500 LABEL CODE SUMMARY
Con’t
GM ASSY GM TYPE OF
MODEL NUMBER CODE ENGINE
MODEL YEAR 2001 - 5.61:1 RATIO GEAR SET
4X2 15769082 GBDR GAS
15747232 GBDU GAS
4X4 15769083 GBKS GAS
15747233 GBFS GAS
P-TRUCK 15031131 GBBW WITHOUT YOKE
15020892 GBCF W/ YOKE
4X2
(Heavy-Duty) 15049382 GBDW 8.1 GAS
4X2 GMT-455 15747131 GBFU
MODEL YEAR 2002 - 5.61:1 RATIO GEAR SET
4X2 15769082 GBDR GAS
C-TRUCK 15747232 GBDU GAS
4X4 15769083 GBKS GAS
K-TRUCK 15747233 GBFS GAS
P-TRUCK 15031131 GBBW WITHOUT YOKE
15020892 GBCF W/ YOKE
4X2 (Heavy-Duty) 15049382 GBDW 8.1 GAS
4X2 GMT-455 15747131 GBFU
MODEL YEAR 2003 to 2004 - 5.61:1 RATIO GEAR SET
4X2 12572799 DFY GAS
12572797 DFW GAS
4X4 12572800 DFZ GAS
12572798 DFX GAS
P-TRUCK 15031131 GBBW WITHOUT YOKE
15020892 GBCF W/ YOKE
4X2 (Heavy-Duty) 15049382 GBDW 8.1 GAS