Chevrolet 4500 HD 2023 Manual page 338

Section
9 Plant Code
7: Fujisawa
10 Model Code
0: 4500HD
3: 5500XD
9: 5500HD
K: 4500XD
11 Sequence Numbers
Interpretation of the VIN may differ
depending on the vehicle. For further details,
please ask your dealer.
Description
The engine number is stamped on the right
side front part of the engine block.
Option Codes
Technical Data
The ID plate at the lower part of the
right-hand door striker indicates option
codes. These codes are three-digit,
alphanumeric codes, each assigned to a
particular component of the vehicle.
You will be able to use these codes to
identify the model or type of engine,
transmission, rear axle or other components
when your vehicle needs inspection and
other services.
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