Chevrolet Low Cab Forward 6.7L 2022 Owner's Manual page 290

Section
10 Model Code
A: 6500XD
B: 7500XD
11 Sequence Numbers
Interpretation of the VIN may differ
depending on the vehicle. For further details,
please ask your dealer.
Description
Engine Dataplate
1. Engine serial number
2. Engine model information
Technical Data
3. Control parts list (CPL)
4. Valve lash (overhead) setting
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